Text

WNA-SD-00250-WBT-NP, Rev. 3, Nuclear Automation Watts Bar Unit 2 NSSS Completion Program I &C Projects Software Design Description for the Post Accident Monitoring System AC160 Software
	ML11322A015
Person / Time
Site:	Watts Bar
Issue date:	10/31/2011
From:	Buyan D; Westinghouse
To:	; Office of Nuclear Reactor Regulation
References
	WNA-SD-00250-WBT-NP, Rev. 3
	Download: ML11322A015 (242)
	v • d • e

Attachment 16 Non-proprietary Westinghouse Electric Company document WNA-SD-00250-WBT-NP, Revision 3, "Software Design Description for the Post Accident Monitoring System AC1 60 Software (Non-Proprietary)" dated October 2011 (Letter Item 10)

O)Westinghouse Westinghouse Non-Proprietary Class 3 Nuclear Automation Watts Bar Unit 2 NSSS Completion Program I&C Projects Software Design Description for the Post Accident Monitoring System AC160 Software WNA-SD-00250-WBT-NP, Rev. 3 October 2011 APPROVALS Function Name and Signature Author Dennis Buyan*

Senior Engineer, Reactor Protection Systems AP1000'P` U.S.

Reviewer Shawn M. Downey*

Principal Engineer, Safety System Support and Upgrades Stephanie L. Smith*

Project Manager, Common QTM PAMS Approver Maria E. Assard*

Manager, Safety System Support and Upgrades Robert E. Single*

Manager, Reactor Protection Systems AP1000'F' China

Electronically approved records are authenticated in the electronic document management system, WESTINGHOUSE NON-PROPRIETARY CLASS 3

Nuclear Automation Software Design Description for the Post Watts Bar Unit 2 NSSS Completion Program I&C Projects Accident Monitoring System AC160 Software LIST OF CONTRIBUTORS Revision Name and Title 0 John N. Miller Senior Engineer, Common Q Software Applications 11 0,1 Michael P. Cepko Engineer, Common Q Software Applications II 0 David W. Dietz IIl Technical Writer/Editor, Technical Communications 0, 1, 2, 3, 3-NP Jenna L. Tyger Technical Editor, Technical Communications 3-NP Warren R. Odess-Gillett Fellow Engineer, Nuclear Automation Licensing Template Version 2.2 WNA-SD-00250-WBT-NP, Rev. 3 i Westinghouse Non-Proprietary Class 3

Nuclear Automation Software Design Description for the Post Watts Bar Unit 2 NSSS Completion Program I&C Projects Accident Monitoring System AC160 Software REVISION HISTORY RECORD OF CHANGES Revision Author Description Completed 0 Dennis Buyan Original Issue a, 05/10 1 Dennis Buyan 11/10 2 Dennis Buyan 2/11 3 Dennis Buyan 2/11 3-NP Dennis Buyan Added proprietary markings to WNA-SD-00250- See EDMS WBT, Rev. 3. Retained change bars.

WNA-SD-00250-WBT-NP, Rev. 3 ii Westinghouse Non-Proprietary Class 3

Nuclear Automation Software Design Description for the Post Watts Bar Unit 2 NSSS Completion Program I&C Projects Accident Monitoring System ACI60 Software DOCUMENT TRACEABILITY & COMPLIANCE Created to Support the Following Document(s) Document Number Revision Post Accident Monitoring System - System Requirements WNA-DS-01617-WBT-P 4 Specification Post Accident Monitoring System - System Design WNA-DS-01667-WBT-P 4 Specification Software Requirements Specification for the Post WNA-SD-00239-WBT-P 4 Accident Monitoring System OPEN ITEMS Item Description Status None WNA-SD-00250-WBT-NP, Rev. 3 iii Westinghouse Non-Proprietary Class 3

Nuclear Automation Software Design Description for the Post Watts Bar Unit 2 NSSS Completion Program I&C Projects Accident Monitoring System AC160 Software TABLE OF CONTENTS Section Title Page LIST OF CONTRIBUTORS ....................................................................................... i REVISION HISTORY ........................................................................................... ii TABLE OF CONTENTS ........................................................................................ iv LIST OF TABLES ....................................................................................................... viii LIST OF FIGURES ................................................................................................ ix ACRONYM S AND TRADEMARKS .................................................................... xi GLOSSARY OF TERM S ............................................................................................ xii REFERENCES ............................................................................................................ xv SECTION 1 INTRODUCTION ....................................................................................................... 1-1 1.1 O VE R VIE W ................................................................................................................ 1-1 1.2 S C O P E ......................................................................................................................... 1-1 1.3 O B JEC TIV E ................................................................................................................ 1-1 SECTION 2 GENERAL DESCRIPTION ........................................................................................ 2-1 2.1 GENERAL DESCRIPTION ........................................................................................ 2-1 2.2 GENERAL PURPOSE ................................................................................................ 2-1 2.3 FUNCTIONAL DESCRIPTION ................................................................................. 2-1 2.3.1 General Functional Description - PAM S Processor .................................................... 2-1 2.3.2 Interfaces and Signal Flow Overview - PAM S Processor .......................................... 2-2 2.3.2.1 PAM S Interface ........................................................................................................... 2-2 2.3.2.2 MTP Interface .............................................................................................................. 2-2 2.3.2.3 Operator's Module Interface ........................................................................................ 2-2 2.3.2.4 AF 100 Interface ............................................................................. ....... 2-2 2.3.3 Addressable Constants Data ........................................................................................ 2-3 2.3.4 Testing Features .......................................................................................................... 2-4 2.3.5 M iscellaneous User Information .................................................................................. 2-4 SECTION 3 COMPUTER SYSTEM DESCRIPTION .................................................................... 3-1 3.1 AC 160 PRODUCT DESCRIPTION ........................................................................... 3-1 3.2 AC 160 PRODUCT CONFIGURATION .................................................................... 3-1 SECTION 4 STANDARD SOFTW ARE DESCRIPTION .............................................................. 4-1 4 .1 A C C T O OL .................................................................................................................. 4-1 4.2 AC160 BASE SOFTW ARE AND OPTIONS ............................................................. 4-1 4.3 TYPE CIRCUITS ........................................................................................................ 4-1 4.3.1 Standard Type Circuits ........................................................................................... 4-1 4.3.2 Processor-Specific Type Circuits ................................................................................ 4-1 WNA-SD-00250-WBT-NP, Rev. 3 iv Westinghouse Non-Proprietary Class 3

Nuclear Automation Software Design Description for the Post Wafts Bar Unit 2 NSSS Completion Program I&C Projects Accident Monitoring System AC160 Software TABLE OF CONTENTS (cont.)

Section Title Page SECTION 5 APPLICATION SOFTW ARE DESCRIPTION .......................................................... 5-1 5.1 NODE DESCRIPTION ............................................................................................... 5-1 5.1.4 General Constraints ..................................................................................................... 5-1 5.1.2 Naming Conventions ................................................................................................... 5-1 5 .1.3 In itialization ................................................................................................................. 5 -1 5.2 DB SECTION DESCRIPTION ................................................................................... 5-2 5.2.1 DB Section General Description .................................................................................. 5-2 5.2.2 DB Element Call Names .............................................................................................. 5-2 5.2.3 DB Element Configuration .......................................................................................... 5-3 5.2.4 DB Element M odule Bus and Station Addresses ......................................................... 5-3 5.2.5 DB Element M odule Parameter Settings ..................................................................... 5-3 5.2.5.1 Processor M odule PM 646A ......................................................................................... 5-3 5.2.5.2 C1631 Communication Interface Module [CI I] ........................................................... 5-3 5.2.5.3 D1620 M odule [DI I] .................................................................................................... 5-4 5.2.5.4 A1688 Module [All] .................................................................................................... 5-5 5.2.5.5 A1688 M odule [A12] .................................................................................................... 5-6 5.2.5.6 A0650 Module [AOl] ................................................................................................. 5-7 5.2.5.7 A0650 M odule [A02] ................................................................................................. 5-8 5.2.5.8 D0620 M odule [DOl] ................................................................................................. 5-9 5.2.5.9 A1687 M odule [A13] .................................................................................................... 5-9 5.2.5.10 A1687 M odule [A14] .................................................................................................... 5-11 5.2.5.11 A1687 M odule [AI5] .................................................................................................... 5-13 5.2.5.12 A1687 M odule [A16] .................................................................................................... 5-14 5.2.6 Communication DB Elements ..................................................................................... 5-16 5.2.6.1 AF100 BUS Communication ....................................................................................... 5-16 5.2 .6.2 D SP s ............................................................................................................................ 5-16 5.2.7 Sending Data DSP Elements ........................................................................................ 5-17 5.2.7.1 DSPName: PIDSTA1 .............................................................................................. 5-21 5.2.7.2 DSP Name: PID STA2 .............................................................................................. 5-25 5.2.7.3 DSP Name: PID SYS ................................................................................................. 5-27 5.2.7.4 DSP Name: PID ACSYSTEM .................................................................................. 5-27 5.2.7.5 DSP Name: PID 10 .................................................................................................... 5-27 5.2.7.6 DSP Name: PIDEU ................................................................................................... 5-34 5.2.7.7 DSP Names: PID_AIl _IN, PID_AI2 _IN ................................................................. 5-34 5.2.7.8 DSP Names: PIDCETINi, PIDCETIN2, PIDCET_IN3, PIDCET IN4, PIDCETIN5 ................................................................................... 5-35 5.2.7.9 DSP Names: PIDCETOUTI, PIDCETOUT2, PIDCETOUT3, PIDCETOUT4 ........................................................................ ........ . 5-39 5.2.7.10 DSP Name: PID 10_PROC ............................................ .................................... 5-41 5.2.7. t I DSP Name: PIDACCET ........................................................................................... 5-41 5.2.7.12 DSP Names: PID _SM MOUT 1, PID_SMM _OUT2 ................................................. 5-41 WNA-SD-00250-WBT-NP, Rev. 3 v Westinghouse Non-Proprietary Class 3

Nuclear Automation Software Design Description for the Post Watts Bar Unit 2 NSSS Completion Program I&C Projects Accident Monitoring System AC160 Software TABLE OF CONTENTS (cont.)

Section Title Page 5.2.7.13 D SP N am e: PID A C SM M ......................................................................................... 5-42 5.2.7.14 DSP Names: PID_RVLOUT 1, PIDRVLOUT2, PIDRVLOUT3, PIDRVL_OUT4, PID_RVL_OUT5, PID_RVL_OUT6 ............................................ 5-43 5.2.7.15 DSP Names: PIDRVLIS_I, PIDRVLIS_2, PIDRVLIS_3, PIDRVLIS_4, PIDRVLIS_5, PIDRVLIS_6, PID_RVLIS 7, PIDRVLIS_8, PIDRVLIS_9, PIDRVLIS_ 10, PIDRVLIS_ 11, PIDRVLIS_12, PIDRVLIS_ 13, PIDRVLIS_14 PIDRVLIS 15, PIDRVLIS_16, PIDRVLIS_ 17, PID_RVLIS_ 18, PIDRVLIS_19, PIDRVLIS_20, PIDRVLIS 21, PIDRVLIS_22, PIDRVLIS 23, PIDRVLIS_24, PIDRVLIS_25, PID_RVLIS_26, PIDRVLIS_27, PIDRVLIS_28, PID_RVLIS 29, PID RVLIS_30, PID RVLIS 31, PID RVLIS_32, P ID R V L IS 33 ........................................................................................................... 5-46 5.2.7.16 DSP Names: PIDANASEL1, PIDANASEL2 ......................................................... 5-63 5.2.7.17 D SP N am es: PID _R TDIN ......................................................................................... 5-63 5.2.8 R eceiving D ata D SP Elem ents ..................................................................................... 5-64 5.2.8.1 D SP N am es: M TPSTA T ........................................................................................... 5-69 5.2.8.2 DSP Names: MTPSYSTEM , MTPISYSTEM ........................................................ 5-73 5.2.8.3 DSP Nam es: M TPCET, M TPICET ........................................................................ 5-74 5.2.8.4 DSP Names: M TPSM M , M TPISM M _................................................................... 5-75 5.2.8.5 DSP N am es: M TPSM M TST .................................................................................... 5-76 5.2.8.6 DSP Names: MTPRVLIS_I, MTP_IRVL_I, MTPRVLIS_2, MTPIRVL_2, MTPRVLIS_3, MTPIRVL_3, MTPRVLIS_4, MTPIRVL 4, MTPRVLIS_5, MTPIRVL_5, MTPRVLIS_6, MTPIRVL_6, MTPRVLIS_7, MTPIRVL_7, MTPRVLIS_8, MTPIRVL_8, MTPRVLIS_9, MTP_IRVL_9, MTPRVLIS_10, MTPIRVL_ 10, MTPRVLIS_ 11, MTPIRVL_ 11, MTPRVLIS_12, MTPIRVL 12, MTPRVLIS_13, MTPIRVL_13. MTPRVLIS_14.

MTPIRVL 14, MTPRVLISI 5, MTPIRVL_ 15, MTPRVLIS_16.

MTPIRVL 16, MTPRVLIS_17, MTPIRVL_17, MTPRVLIS_18.

MTPIRVL 18, MTPRVLIS_ 19 MTPIRVL 19. MTPRVLIS_20.

MTPIRVL_20, MTP-RVLIS_21, MTPIRVL_21, MTPRVLIS_22, MTPIRVL_22, MTPRVLIS_23. MTPIRVL_23. MTPRVLIS_24.

MTPIRVL_24, MTPRVLIS_25 MTP_IRVL_25. MTPRVLIS_26.

MTPIRVL_26, MTP_RVLIS_27, MTPIRVL_27, MTPRVLIS_28.

MTPIRVL_28, MTP_RVLIS_29, MTP IRVL_29, MTPRVLIS_30.

MTPIRVL_30, MTPRVLIS_31, MTPIRVL_31, MTPRVLIS_32.

MTPIRVL_32................

M-IT V L 32 ..... ...........................

.......................................................................................... 57 5-77 5.2.8.7 DSP Names: MTPANASEL1, MTPIANASEL I, MTP_ANASEL2, M TP IA N A SE L 2 ........................................................................................................ 5-111 5.2.8.8 DSP Names: MTPAO_TEST, OM_ AOTEST ....................................................... 5-115 5.2.8.9 DSP Names: MTP_AC I_CRCS, OM AC ICRCS, MTP_AC2_CRCS, M TPAC3_CRCS, M TP_AC4_CRCS ........................................................................ 5-115 WNA-SD-00250-WBT-NP, Rev. 3 vA Westinghouse Non-Proprietary Class 3

Nuclear Automation Software Design Description for the Post Watts Bar Unit 2 NSSS Completion Program I&C Projects Accident Monitoring System AC160 Software TABLE OF CONTENTS (cont.)

Section Title Page 5.2.8.10 M D ATs ........................................................................................................................ 5-118 5.2.8.11 H SLs ............................................................................................................................ 5-118 5.3 PC SECTION DESCRIPTION .................................................................................... 5-118 5.3.1 G eneral PC Section Program Structure ........................................................................ 5-118 5.3.2 Program Structure PC Elem ents .................................................................................. 5-118 5.3.2.1 PCPG M ........................................................................................................................ 5-118 5.3.2.2 CON TRM .................................................................................................................... 5-118 5.3.2.3 FUN CM ...................................................................................................................... 5-118 5.3.3 Program Structure ........................................................................................................ 5-119 5.3.3.1 A pplication Program Structure .................................................................................... 5-119 5.3.3.2 M odule Timing Constraints ......................................................................................... 5-120 5.4 W A TTS BAR 2 PAM S ................................................................................................ 5-121 5.4.1 O nline Diagnostics FU N CM ........................................................................................ 5-121 5.4.1.1 O nline D iagnostics Im plem entation ............................................................................ 5-121 5.4.2 IN PU T PR O CESSIN G FU N CM ................................................................................ 5-135 5.4.2.1 Input Processing Implementation ................................................................................ 5-135 5.4.2.2 Redundant Analog Inputs ............................................................................................ 5-137 5.4.2.3 Engineering Units Conversion ..................................................................................... 5-137 5.4.2.4 Differential Pressure Processing ................................................................................ 5-138 5.4.2.5 CET and RTD Substitution .......................................................................................... 5-139 5.4.3 PAM S FUN CM ........................................................................................................... 5-140 5.4.3.1 PA M S SM M A lgorithm Implem entation .................................................................... 5-140 5.4.3.2 CETM ON Implem entation ........................................................................................ 5-143 5.4.3.3 SM_M ON Implem entation .......................................................................................... 5-151 5.4.4 RV LIS FU N CM ........................................................................................................... 5-161 5.4.4.1 RV LIS Input/O utput Overview .................................................................................... 5-163 5.4.4.2 PA M S RV LIS Static A lgorithm Im plem entation ........................................................ 5-182 5.4.4.3 PA M S RV LIS Dynam ic A lgorithm Implem entation ................................................... 5-190 5.4.5 M AIN TEN AN CE FU N CM ......................................................................................... 5-198 5.4.5.1 M aintenance A lgorithm Implem entation ..................................................................... 5-198 5.4.5.2 SM M Test .................................................................................................................... 5-199 5.4.5.3 Annunciator Test .......................................................................................................... 5-200 5.4.5.4 A nalog O utput Test ...................................................................................................... 5-201 5.4.5.5 U ser-Selectable Analog Output ................................................................................. 5-202 5.4.6 A ddressable Constants FUN CM .................................................................................. 5-204 5.4.6.1 A ddressable Constants Implem entation ....................................................................... 5-204 SECTION 6 SAFETY AN D SECU RITY ........................................................................................ 6-1 6.1 SA FETY ............................................................................................. ........................ 6-1 6.2 SECUR ITY .................................................................................................................. 6-1 WNA-SD-00250-WBT-NP, Rev. 3 vii Westinghouse Non-Proprietary Class 3

Nuclear Automation Software Design Description for the Post Watts Bar Unit 2 NSSS Completion Program I&C Projects Accident Monitoring System ACI60 Software TABLE OF CONTENTS (cont.)

LIST OF TABLES Table Title Page Table 5.2-1 PAM S Processor D B Elem ents .................................................................................... 5-2 Table 5.2-2 Primary Subrack, RF616, Position 4 for Digital Input Card D1620 ............ 5-4 Table 5.2-3 Primary Subrack, RF616, Position 5 for Analog Input Card A1688 ............................ 5-5 Table 5.2-4 Primary Subrack, RF616, Position 6 for Analog Input card A1688 ............................. 5-6 Table 5.2-5 Primary Subrack, RF616, Position 8 for Analog Output Card A0650 ........................ 5-7 Table 5.2-6 Primary Subrack, RF616, Position 9 for Analog Output Card A0650 ........................ 5-8 Table 5.2-7 Primary Subrack, RF616, Position 10 for Digital Output Card D0620 ...................... 5-9 Table 5.2-8 Train A Secondary Subrack, RF620, Position 11 for Analog Input Card A1687 ........ 5-10 Table 5.2-9 Train B Secondary Subrack, RF620, Position 11 for Analog Input Card A1687 ......... 5-10 Table 5.2-10 Train A Secondary Subrack, RF620, Position 12 for Analog Input Card A1687 ........ 5-11 Table 5.2-11 Train B Secondary Subrack, RF620, Position 12 for Analog Input Card A1687 ......... 5-12 Table 5.2-12 Train A Secondary Subrack, RF620, Position 13 for Analog Input Card A1687 ........ 5-13 Table 5.2-13 Train B Secondary Subrack, RF620, Position 13 for Analog Input Card A1687 ......... 5-14 Table 5.2-14 Train A Secondary Subrack, RF620, Position 14 for Analog Input Card A1687 ........ 5-15 Table 5.2-15 Train B Secondary Subrack, RF620, Position 14 for Analog Input Card A1687 ......... 5-15 Table 5.2-16 W B T PA M S Sending D SPs ......................................................................................... 5-17 Table 5.2-17 W B PA M S Receiving D SPs ........................................................................................ 5-64 Table 5.4-1 PM _DIA G Input Signals ............................................................................................. 5-124 Table 5.4-2 PM _D IA G AF 100 O utputs .......................................................................................... 5-127 Table 5.4-3 System Trouble Annunciator Alarm Conditions ......................................................... 5-133 Table 5.4-4 CETM ON Input Signal Description .......................................................................... 5-144 Table 5.4-5 CETM ON Input Signal Connections(') ...................................................................... 5-146 Table 5.4-6 C ETM ON Outputs ..................................................................................................... 5-149 Table 5.4-7 SM _M ON Input Signals .............................................................................................. 5-152 Table 5.4-8 SM _M ON O utputs ....................................................................................................... 5-156 Table 5.4-9 Bit Naming for SMSTAT Bits Assignment ............................................................. 5-158 Table 5.4-10 Bit Naming for SWVSMM Bits Assignment .............................................................. 5-159 Table 5.4-11 R VL IS Input Signals .................................................................................................... 5-163 Table 5.4-12 RVLIS DEN SO4 Density Coefficients ........................................................................ 5-173 Table 5.4-13 Miscellaneous RVLIS Hardcoded Constants ............................................................... 5-174 Table 5.4-14 RV LIS O utputs ............................................................................................................ 5-175 Table 5.4-15 R C P Statuses ................................................................................................................ 5-1 8 1 Table 5.4-16 Hydraulic Isolation Contacts STATIC Outrange Failure States .................................. 5-187 Table 5.4-17 CALCRC OM Input DSPs/DATs .............................................................................. 5-207 Table 5.4-18 CALCRC M TP Input DSPs/DATs ............................................................................ 5-207 Table 5.4-19 CALCRC M TP Output DSPs/DATs ......................................................................... 5-211 WNA-SD-00250-WBT-NP, Rev. 3 'Viii Westinghouse Non-Proprietary Class 3

Nuclear Automation Software Design Description for the Post Watts Bar Unit 2 NSSS Completion Program I&C Projects Accident Monitoring System AC160 Software TABLE OF CONTENTS (cont.)

LIST OF FIGURES Figure Title Page Figure 2-1 PA M S M ain Signal Flow ............................................................................................. 2-3 Figure 5-1 PA M S Program Tree Structure .................................................................................... 5-120 Figure 5-2 PM _DIAG Logic ........................................................................................................ 5-123 Figure 5-3 FPD H eartbeat Check .................................................................................................. 5-128 Figure 5-4 W atchdog Tim er Logic ................................................................................................ 5-129 Figure 5-5 Station Status Example ................................................................................................ 5-129 Figure 5-6 AF 100 Error Detection ................................................................................................ 5-130 Figure 5-7 RCS SM A larm ............................................................................................................ 5-131 Figure 5-8 A larm G eneration ........................................................................................................ 5-132 Figure 5-9 ICC A larm .................................................................................................................... 5-132 Figure 5-10 Trouble A larm Logic ................................................................................................... 5-134 Figure 5-11 A nnunciator Re-flash ................................................................................................... 5-135 Figure 5-12 Sample of Redundant Input Failover ........................................................................... 5-137 Figure 5-13 Sample of Input Processing Implem entation ............................................................... 5-138 Figure 5-14 RCS Inputs to CET M onitoring and SM Test Sw itch .................................................. 5-138 Figure 5-15 D ifferential Pressure Processing .................................................................................. 5-139 Figure 5-16 CET and RTD Substitution .......................................................................................... 5-140 Figure 5-17 PA M S A lgorithm s Interconnections ............................................................................ 5-142 Figure 5-18 CETM ON Elem ent Term inals ................................................................................... 5-143 Figure 5-19 CET MON Initialization ............................................................................................. 5-151 Figure 5-20 Exam ple of SM _M ON Elem ent Term inals ................................................................. 5-152 Figure 5-21 Saturation M argin Outputs ........................................................................................... 5-160 Figure 5-22 Reactor Vessel Level A nalog Output .......................................................................... 5-160 Figure 5-23 TCREP Analog Output ................................................................................................ 5-161 Figure 5-24 Quadrant M ax CET Processing ................................................................................... 5-161 Figure 5-25 RVLIS Static A lgorithm .............................................................................................. 5-182 Figure 5-26 RTD D ensity FUN CM ................................................................................................. 5-183 Figure 5-27 H ot Leg Density FUN CM ............................................................................................ 5-184 Figure 5-28 RLDCORR FUN CM ................................................................................................... 5-185 Figure 5-29 M AX/M IN Vessel Density FUN CM ........................................................................... 5-186 Figure 5-30 Static Outrange FUN CM ............................................................................................ 5-187 Figure 5-31 Upper Static FUN CM .................................................................................................. 5-188 Figure 5-32 Lower Static FUN CM .................................................................................................. 5-189 Figure 5-33 RVLIS Dynam ic A lgorithm ......................................................................................... 5-190 Figure 5-34 Dynam ic RLDCORR FUN CM .................................................................................... 5-191 Figure 5-35 DHCALC FUN CM ...................................................................................................... 5-192 Figure 5-36 PUM PSTAT FUN CM ................................................................................................. 5-193 Figure 5-37 VOIDFRA C/N DH FUN CM ........................................................................................ 5-195 Figure 5-38 Scaling FUN CM .......................................................................................................... 5-196 Figure 5-39 Level and A larm FUN CM ........................................................................................... 5-197 WNA-SD-00250-WBT-NP, Rev. 3 ix Westinghouse Non-Proprietary Class 3

Nuclear Automation Software Design Description for the Post Watts Bar Unit 2 NSSS Completion Program I&C Projects Accident Monitoring System AC160 Software TABLE OF CONTENTS (cont.)

LIST OF FIGURES Figure Title Page Figure 5-40 Test Inputs to SM M onitoring ...................................................................................... 5-200 Figure 5-41 Annunciator Test .......................................................................................................... 5-201 Figure 5-42 Analog Output Test ...................................................................................................... 5-202 Figure 5-43 Analog Output Selection .............................................................................................. 5-203 Figure 5-44 CAL CRC Terminals .................................................................................................. 5-206 Figure 5-45 OM /M TP/AC 160 Addressable Constants Selection .................................................... 5-213 Figure 5-46 Selection of OMIM TP Data ......................................................................................... 5-215 WNA-SD-00250-WBT-NP, Rev. 3 X Westinghouse Non-Proprietary Class 3

Nuclear Automation Software Design Description for the Post Watts Bar Unit 2 NSSS Completion Program I&C Projects Accident Monitoring System ACI60 Software ACRONYMS AND TRADEMARKS Acronyms used in the document are defined in WNA-PS-00016-GEN, "Standard Acronyms and Definitions" (Reference 2), NABU-DS-001 15-GEN, "Safety System Standard Definitions" (Reference 3),

or included below to ensure unambiguous understanding of their use within this document.

Acronym Definition CET Core Exit Thermocouple CETMS Core Exit Thermocouple Monitoring System DSP Data Set Peripheral dP Differential Pressure ERR Error (Terminal)

EUDH Expected Uncompensated Dynamic Head FE Function Enable HI High ICC Inadequate Core Cooling IL Integer Long (data type)

ILPB Integer Long Packed Bit LO Low NDH Normalized Dynamic Head R Real (data type)

RVLMS Reactor Vessel Level Monitoring System S Seconds SRR Software Release Record SW Software T Temperature TD Time Delay TR Common Qualified Platform "Topical Report" UDH Uncompensated Dynamic Head Advant is a registered trademark of ABB Process Automation Corporation.

AP1000 is a trademark or registered trademark, in the United States, of Westinghouse Electric Company LLC, its subsidiaries and/or its affiliates. This mark may also be used and/or registered in other countries throughout the world. All rights reserved. Unauthorized use is strictly prohibited. Other names may be trademarks of their respective owners.

Common QTM is a trademark or registered trademark, in the United States, of Westinghouse Electric Company LLC, its subsidiaries and/or its affiliates. This mark may also be used and/or registered in other countries throughout the world. All rights reserved. Unauthorized use is strictly prohibited. Other names may be trademarks of their respective owners.

All other product and corporate names used in this document may be trademarks or registered trademarks of other companies, and are used only for explanation and to the owners' benefit, without intent to infringe.

WNA-SD-00250-WBT-NP, Rev. 3 Ai Westinghouse Non-Proprietary Class 3

Nuclear Automation Software Design Description for the Post Watts Bar Unit 2 NSSS Completion Program I&C Projects Accident Monitoring System AC160 Software GLOSSARY OF TERMS Standard terms used in the document are defined in WNA-PS-00016-GEN, "Standard Acronyms and Definitions" (Reference 2), NABU-DS-001 15-GEN, "Safety System Standard Definitions" (Reference 3),

or included below to ensure unambiguous understanding of their use within this document.

Term Definition AC 160 Station Made up of a single base station subrack (C163 1, PM646A, and S600 input/output [1/0] modules) and any optional 1/0 station or extension subrack (S600 I/O modules only). All processor modules (PMs) within the same AC 160 station share the same Advant Fieldbus 100 (AF 100) bus address (base station subrack thumbwheel switch).

ACC Advanced Tool The Advant graphical application programming tool for configuring and programming software is used in generating the PMS AC 160 software.

Consists of the Application Builder (AB) and Function Chart Builder (FCB). The ACC Advanced Tool also requires a library of standard PC and database (DB) elements.

A1687 A high-speed analog input module that processes 0-100 mV resistance temperature detector (RTD) and thermocouple signals.

A1688 A high-speed analog input module that processes 0-1 V, 0-10V, and 4-20 mA input signals.

A0650 An analog output module that converts digital signals from the PM into analog signals. This module has eight output channels with 0-20 mA, 4-20 mA, 20 mA, 10V, 0-5V, 1-5V, and 0-1OV ranges.

BAX Database source code file (DB part of user program).

C1527 AF 100 communications interface module that provides the AF 100 high-speed bus control for the PC Node Box (FPDS).

C1631 AF 100 communications interface module that provides the AF 100 high-speed bus control for the AC 160 station.

CONTRM Control module structure PC element used for execution control of modules within a PC program.

DAT A database element associated with AF 100 communications.

Data Set Peripheral (DSP) Database element representing a block of data (up to eight DATs) to be received or sent over the AF100.

xii Westinghouse Non-Proprietary Class 3 WNA-SD-00250-WBT-NP, Rev.

WNA-SD-00250-WBT-NP, Rev. 3 3 xii Westinghouse Non-Proprietary Class 3

Nuclear Automation Software Design Description for the Post Watts Bar Unit 2 NSSS Completion Program I&C Projects Accident Monitoring System AC160 Software GLOSSARY OF TERMS (cont.)

Term Definition D1621 Digital input module that provides an interface for 32 hardwired digital input signals up to 48 VDC.

Division A grouping of hardware that is electrically isolated from other hardware.

AP1000 has four divisions labeled A, B, C, and D.

D0620 Digital output module that converts internal binary signals from the PM to binary signals for use by an external process application. Each module supports up to 32 digital output channels.

DP620 Digital pulse counter module with five channels.

FALSE Logical "0."

FUNCM The function control module (FUNCM) is a PC element that has no execution effects and is used to help structure a PC program.

I/0 Channel A single point on an I/O module; for example, the A1687 has sixteen channels (inputs).

IDENT Numerical representation that identifies the DSP on a given AF100.

Range is between I and 50. Also used for unique addressing of Advant high-speed datalinks (HSLs) of the same data type.

Instrumentation Channel An arrangement of electrical and mechanical components or modules - or both - from the measured process variable to the display device as required to sense, process, and display the measured variable.

MDAT A database element associated with AF 100 communications.

PCPGM PC program structure PC element that defines the program header and defines the frequency at which the AF100 data is transferred between the PM646A and the C163 1.

PM646A A PM for the AC160 system used for safety applications.

Programming As it relates to the AC 160 programmable controller, the creation and modification of PC programs, including connections within the PC program and to DB elements.

3 xiii Westinghouse Non-Proprietary Class 3 WNA-SD-00250-WBT-NP, Rev.

WNA-SD-00250-WBT-NP, Rev. 3 gini Westinghouse Non-Proprietary Class 3

Nuclear Automation Software Design Description for the Post Watts Bar Unit 2 NSSS Completion Program I&C Projects Accident Monitoring System AC160 Software GLOSSARY OF TERMS (cont.)

Term Definition SYS-CRC PC element that monitors the CRC checksums taken from the system software and any options (i.e., libraries) and application software.

SYSL A PC element that measures PM system load.

Supervision Monitoring input parameters and responding to abnormal conditions appropriately.

TRUE Logical "1."

xiv Westinghouse Non-Proprietary Class 3 WNA-SD-00250-WBT-NP, Rev. 33 WNA-SD-00250-WBT-NP, Rev. xiv Westinghouse Non-Proprietary Class 3

Nuclear Automation Software Design Description for the Post Watts Bar Unit 2 NSSS Completion Program I&C Projects Accident Monitoring System AC160 Software REFERENCES Following is a list of references used throughout this document.

1. NABU-DP-00014-GEN, Rev. 2, "Design Process for Common Q Safety Systems," Westinghouse Electric Company LLC.

2. WNA-PS-00016-GEN, Rev. 5, "Standard Acronyms and Definitions," Westinghouse Electric Company LLC.

3. NABU-DS-001 15-GEN, Rev. 0, "Safety System Standard Definitions," Westinghouse Electric Company LLC.

4. 00000-ICE-3889, Rev. 12, "Coding Standards and Guidelines for Common Q Systems,"

Westinghouse Electric Company LLC.

5. WCAP-16096-NP-A, Rev. 1A, "Software Program Manual for Common Q Systems,"

Westinghouse Electric Company LLC.

6. WNA-DS-01667-WBT-P, Rev. 4, "Post Accident Monitoring System - System Design Specification," Westinghouse Electric Company LLC.

7. WNA-SD-00239-WBT-P, Rev. 4, "Software Requirements Specification for the Post Accident Monitoring System," Westinghouse Electric Company LLC.

8. WCAP-16097-P-A, Appendix 1, Rev. 0, "Common Qualified Platform Post Accident Monitoring Systems," Westinghouse Electric Company LLC.

9. WNA-DS-00315-GEN, Rev. 2, "Reusable Software Element Document CRC for Calibration Data,"

Westinghouse Electric Company LLC.

10. 00000-ICE-3238, Rev. 5, "Common Q Software Requirements Specification Post Accident Monitoring System," Westinghouse Electric Company LLC.

11. WNA-DS-01617-WBT-P, Rev. 4, "Post Accident Monitoring System-System Requirements Specification," Westinghouse Electric Company LLC.

12. WNA-DS-01715-GEN, Rev. 4, "Standard Reusable Software Element Document for PM Diagnostics Type Circuit," Westinghouse Electric Company LLC.

13. 00000-ICE-30152, Rev. 5, "Common Q Software Design Description Post Accident Monitoring System AC 160 Station," Westinghouse Electric Company LLC.

xv Westinghouse Non-Proprietary Class 3 WNA-SD-00250-WBT-NP, Rev.

WNA-SD-00250-WBT-NP, Rev. 33 XV Westinghouse Non-Proprietary Class 3

Nuclear Automation Software Design Description for the Post Watts Bar Unit 2 NSSS Completion Program I&C Projects Accident Monitoring System AC160 Software REFERENCES (cont.)

14. 3BDS 005 665R401, Rev. A, "Data Base Elements, Advant Controller 160, Version 1.3 Reference Manual," Asea Brown Boveri.

15. WNA-DS-01838-GEN, Rev. 3, "Standard Reusable Software Element Document for Fourth-Order Polynomial Fluid Density Curve Fit Custom PC Element," Westinghouse Electric Company LLC.

16. WNA-DS-01839-GEN, Rev. 4, "Standard Reusable Software Element Document for Summation of Reference Leg Density Correction Custom PC Element," Westinghouse Electric Company LLC.

17. WNA-DS-01840-GEN, Rev. 2, "Standard Reusable Software Element Document for 2-Input Maximum Comparison with Status Control Custom PC Element," Westinghouse Electric Company LLC.

18. WNA-DS-01841-GEN, Rev. 2, "Standard Reusable Software Element Document for 2-Input Minimum Comparison with Status Control Custom PC Element," Westinghouse Electric Company LLC.

19. WNA-DS-01842-GEN, Rev. 4, "Standard Reusable Software Element Document for RVLIS Static Level Calculation Custom PC Element," Westinghouse Electric Company LLC.

20. WNA-DS-01845-GEN, Rev. 6, "Standard Reusable Software Element Document for Dynamic Head Compensation Calculation Custom PC Element," Westinghouse Electric Company LLC.

21. WNA-DS-01846-GEN, Rev. 2, "Standard Reusable Software Element Document for Normalized Dynamic Head Compensation Custom PC Element," Westinghouse Electric Company LLC.

22. WNA-DS-01847-GEN, Rev. 2, "Standard Reusable Software Element Document for Void Fraction Custom PC Element," Westinghouse Electric Company LLC.

23. WNA-DS-01848-GEN, Rev. 4, "Standard Reusable Software Element Document for the Reactor Vessel Level Monitoring Custom PC Element," Westinghouse Electric Company LLC.

24. WNA-DS-01849-GEN, Rev. 2, "Standard Reusable Software Element Document for the Reactor Coolant Pump Status Custom PC Element," Westinghouse Electric Company LLC.

25. WNA-DS-01994-GEN, Rev. 0, "Standard Reusable Software Element Document for a First Order Lag Filter Custom PC Element," Westinghouse Electric Company LLC.

26. WNA-DS-01505-GEN, Rev. 0, "Standard Reusable Software Element Document for Reflash Type Circuit," Westinghouse Electric Company LLC.

xvi Westinghouse Non-Proprietary Class 3 WNA-SD-00250-WBT-NP, Rev.

WNA-SD-00250-WBT-NP, Rev. 3 3 xvi Westinghouse Non-Proprietary Class 3

Nuclear Automation Software Design Description for the Post Watts Bar Unit 2 NSSS Completion Program I&C Projects Accident Monitoring System AC160 Software REFERENCES (cont.)

27. WNA-DS-01564-GEN, Rev. 2, "Standard Reusable Software Element Document for Exclusive Module Error Type Circuit," Westinghouse Electric Company LLC.

28. WNA-DS-02065-GEN, Rev. 2, "Standard Reusable Software Element Document for Reactor Vessel Level Alarm Custom PC Element," Westinghouse Electric Company LLC.

(Last Page of Front Matter)

WNA-SD-00250-WBT-NP, Rev. 3 xvii Westinghouse Non-Proprietary Class 3

Nuclear Automation Software Design Description for the Post Watts Bar Unit 2 NSSS Completion Program I&C Projects Accident Monitoring System AC160 Software SECTION 1 INTRODUCTION 1.1 OVERVIEW This document describes the design of the Watts Bar 2 Post-Accident Monitoring System (PAMS) software in accordance with:

" NABU-DP-00014-GEN, "Design Process for Common Q Safety Systems" (Reference 1)

00000-ICE-3889, "Coding Standards and Guidelines for Common Q Systems" (Reference 4)

WCAP-16096-NP-A, "Software Program Manual for Common Q Systems" (Reference 5)

This document applies only to the Watts Bar 2 PAMS Advant Controller 160 (AC 160) PM646A user application programs.

Within the Asea Brown Boveri (ABB) master programming language (AMPL) configuration control (ACC) Advanced Tool, each PM646A processor module (PM) is classified as a node. Each node contains a separate user application program made up of a configuration part (database [DB] elements of the related node) and a program part (process control [PC] elements of the related PC program). Within this document, the term "configuration" refers to the creation and modification of DB elements (i.e.,

configuration from a software point of view), and the term "programming" refers to the creation and modification of a PC program, including connections within the PC program and to DB elements.

1.2 SCOPE The software requirements for the user application program in the Watts Bar 2 PAMS defined herein are based on the generic Common Q PAMS, ac The Watts Bar 2 PAMS will use the Westinghouse Reactor Vessel Level Instrumentation System (RVLIS) in place of the Heated Junction Thermocouple (HJTC) system.

1.3 OBJECTIVE This document provides documentation for the design and implementation of the Watts Bar 2 PAMS AC 160 PM646A user application programs in accordance with WNA-SD-00239-WBT-P, "Watts Bar 2 NSSS Completion Program I&C Projects Software Requirements Specification for the Post Accident Monitoring System" (Reference 7) and 00000-ICE-3238, "Common Q Software Requirements Specification Post Accident Monitoring System" (Reference 10). A detailed description of the AC160 is defined in WNA-DS-01667-WBT-P, "Watts Bar NSSS Completion Program I&C Projects Post Accident Monitoring System - System Design Specification" (Reference 6).

(Last Page of Section 1)

WNA-SD-00250-WBT-NP, Rev. 3 1-1 Westinghouse Non-Proprietary Class 3

Nuclear Automation Software Design Description for the Post Watts Bar Unit 2 NSSS Completion Program I&C Projects Accident Monitoring System AC160 Software SECTION 2 GENERAL DESCRIPTION 2.1 GENERAL DESCRIPTION The Watts Bar 2 PAMS consists of two divisions. Each division contains one AC 160 station. Each station contains:

1. One C1631 communication module

2. One PM646A processor module

3. One D1620 digital input module

4. Two A1688 analog input modules

5. Two A0650 analog output modules

6. One DO620 digital output module

7. Four A1687 analog input modules The AC 160 processors are located in the Watts Bar 2 PAMS cabinets.

2.2 GENERAL PURPOSE The Watts Bar 2 PAMS measures process input signals, and calculates the following Inadequate Core Cooling (ICC) functions: Core Exit Temperature, Subcooled Margin, and Reactor Vessel Level. It also provides outputs to the plant computer system, plant annunciators, and analog outputs. The PAMS processor nodes are identified in Section 2 of the Watts Bar 2 PAMS software requirements specification, WNA-SD-00239-WBT-P (Reference 7).

2.3 FUNCTIONAL DESCRIPTION 2.3.1 General Functional Description - PAMS Processor

]a.c WNA-SD-00250-WBT-NP, Rev. 3 2-1 Westinghouse Non-Proprietary Class 3

Nuclear Automation Software Design Description for the Post Watts Bar Unit 2 NSSS Completion Program I&C Projects Accident Monitorina System AC160 Software 2.3.2 Interfaces and Signal Flow Overview - PAMS Processor 2.3.2.1 PAMS Interface The PAMS processor receives all signal inputs from the AC160 A1687, A1688, and D1620 modules, as defined in WNA-SD-00239-WBT-P, "Watts Bar 2 NSSS Completion Program I&C Projects Software Requirements Specification for the Post Accident Monitoring System" (Reference 7).

Output signals are sent to the AC 160 A0650 and D0620 modules, as defined in WNA-SD-00239-WBT-P, "Watts Bar 2 NSSS Completion Program I&C Projects Software Requirements Specification for the Post Accident Monitoring System" (Reference 7).

2.3.2.2 MTP Interface

[

a,c 2.3.2.3 Operator's Module Interface

[ ]a*c 2.3.2.4 AF100 Interface All data from the MTP and OM (described above) is received via the AF100 bus. Data sent out from the PAMS processor over the AFI00 bus includes addressable constants display values, diagnostic messages, and test parameters.

The main signal flow of the PAMS processor is shown in Figure 2-1.

WNA-SD-00250-WBT-NP, Rev. 3 2-2 Westinghouse Non-Proprietary Class 3

Nuclear Automation Software Design Description for the Post Watts Bar Unit 2 NSSS Completion Program I&C Projects Accident Monitoring System AC160 Software Figure 2-1. PAMS Main Signal Flow 2.3.3 Addressable Constants Data Addressable constants - including alarm setpoints and test initiation flags - used by the AC 160 PM646A are modifiable from the flat panel display system (FPDS). To modify addressable constants, plant personnel must activate the function enable (FE) keyswitch. The addressable constants are WNA-SD-00250-WBT-NP, Rev. 3 2-3 Westinghouse Non-Proprietary Class 3

Nuclear Automation Software Design Description for the Post Watts Bar Unit 2 NSSS Completion Program I&C Projects Accident Monitoring System AC160 Software range-limit-checked to ensure that they are within the valid range.

]ac 2.3.4 Testing Features The AC 160 PM646A provides diagnostic, automatic, and manual testing of the PM646A[

Ia,c.

The PM646A processor performs online diagnostics during allotted idle time.

]ac The FE keyswitch permissive will be required in order to perform this surveillance test[

]a,c.

2.3.5 Miscellaneous User Information Not applicable.

(Last Page of Section 2)

WNA-SD-00250-WBT-NP, Rev. 3 2-4 Westinghouse Non-Proprietary Cllass 3

Nuclear Automation Software Design Description for the Post Watts Bar Unit 2 NSSS Completion Program I&C Projects Accident Monitoring System AC160 Software SECTION 3 COMPUTER SYSTEM DESCRIPTION 3.1 AC160 PRODUCT DESCRIPTION The Watts Bar 2 PAMS is implemented using the ABB AC160 family of products as its software-based platform. The AC160 platform is described in WNA-SD-00239-WBT-P, "Watts Bar 2 NSSS Completion Program I&C Projects Software Requirements Specification for the Post'Accident Monitoring System" (Reference 7) and WCAP-16097-P-A, Appendix 1, "Common Qualified Platform Topical Report" (Reference 8).

3.2 AC160 PRODUCT CONFIGURATION The AC 160 configuration for the Watts Bar 2 PAMS is described in Section 4 of WNA-DS-01667-WBT-P, "Watts Bar 2 NSSS Completion Program I&C Projects Post Accident Monitoring System - System Design Specification" (Reference 6).

(Last Page of Section 3)

WNA-SD-00250-WBT-NP, Rev. 3 3-1 Westinghouse Non-Proprietary Class 3

Nuclear Automation Software Design Description for the Post Watts Bar Unit 2 NSSS Completion Program I&C Projects Accident Monitoring System AC160 Software SECTION 4 STANDARD SOFTWARE DESCRIPTION 4.1 ACC TOOL Application user programs are developed on a personal computer using the ACC Advanced Tool, as defined in Section 3.2 of WNA-SD-00239-WBT-P, "Watts Bar 2 NSSS Completion Program I&C Projects Software Requirements Specification for the Post Accident Monitoring System" (Reference 7).

4.2 AC160 BASE SOFTWARE AND OPTIONS The AC160 Base software (SW) - as defined in WNA-SD-00239-WBT-P, "Watts Bar 2 NSSS Completion Program I&C Projects Software Requirements Specification for the Post Accident Monitoring System" (Reference 7) - is loaded onto the PAMS processor(s). [

]a,c 4.3 TYPE CIRCUITS 4.3.1 Standard Type Circuits The PAMS processor uses the standard type circuits listed in Table 7.1-1 of WNA-SD-00239-WBT-P, "Watts Bar 2 NSSS Completion Program I&C Projects Software Requirements Specification for the Post Accident Monitoring System" (Reference 7).

4.3.2 Processor-Specific Type Circuits No processor-specific type circuits are used in the Watts Bar 2 PAMS.

(Last Page of Section 4)

WNA-SD-00250-WBT-NP, Rev. 3 4-1 Westinghouse Non-Proprietary Class 3

Nuclear Automation Software Design Description for the Post Watts Bar Unit 2 NSSS Completion Program I&C Projects Accident Monitoring System ACI60 Software SECTION 5 APPLICATION SOFTWARE DESCRIPTION 5.1 NODE DESCRIPTION The PAMS node consists of the logic necessary to perform the CET, sub-cooled margin, and the reactor vessel level logic, as documented in WNA-DS-01617-WBT-P, "Watts Bar 2 NSSS Completion Program I&C Projects Post Accident Monitoring System-System Requirements Specification" (Reference 11),

WNA-DS-01667-WBT-P, "Watts Bar 2 NSSS Completion Program I&C Projects Post Accident Monitoring System - System Design Specification" (Reference 6), and WNA-SD-00239-WBT-P, "Watts Bar 2 NSSS Completion Program I&C Projects Software Requirements Specification for the Post Accident Monitoring System" (Reference 7).

The AC160 processor node and the associated file names are given in Tables 2.3-1 and 2.3-2 in Section 2 of WNA-SD-00239-WBT-P, "Watts Bar 2 NSSS Completion Program I&C Projects Software Requirements Specification for the Post Accident Monitoring System" (Reference 7).

5.1.1 General Constraints The PAMS processor's application software general constraints are identified in Section 2.3 of WNA-SD-00239-WBT-P, "Watts Bar 2 NSSS Completion Program I&C Projects Software Requirements Specification for the Post Accident Monitoring System" (Reference 7).

AC160-specific constraints are identified in subsection 7.1.13 of WNA-SD-00239-WBT-P, "Watts Bar 2 NSSS Completion Program I&C Projects Software Requirements Specification for the Post Accident Monitoring System" (Reference. 7).

5.1.2 Naming Conventions Standard naming convention requirements and guidelines used in the PAMS processor are defined in 00000-ICE-3889, "Coding Standards and Guidelines for Common Q Systems" (Reference 4) and used in WNA-SD-00239-WBT-P, "Watts Bar 2 NSSS Completion Program I&C Projects Software Requirements Specification for the Post Accident Monitoring System" (Reference 7).

5.1.3 Initialization Standard initialization requirements and guidelines used in the PAMS processor are identified in subsection 5.1.1 of WNA-SD-00239-WBT-P, "Watts Bar 2 NSSS Completion Program I&C Projects Software Requirements Specification for the Post Accident Monitoring System" (Reference 7).

5-1 Westinghouse Non-Proprietary Class 3 WNA-SD-00250-WBT-NP, Rev.

WNA-SD-00250-WBT-NP, Rev. 3 3 5-1 Westinghouse Non-Proprietary Class 3

Nuclear Automation Software Design Description for the Post Watts Bar Unit 2 NSSS Completion Program I&C Projects Accident Monitoring System AC160 Software 5.2 DB SECTION DESCRIPTION 5.2.1 DB Section General Description The DB section contains the DB elements necessary to connect the PC program section to external interfaces. The DB elements interface connections include connection for AC 160 modules, and connections to the AF 100 bus and DAT connections. The DB elements used for the PAMS processor are identified in Table 5.2-1.

The station addresses are identified in Tables 2.3-1 and 2.3-2 of WNA-SD-00239-WBT-P, "Watts Bar 2 NSSS Completion Program I&C Projects Software Requirements Specification for the Post Accident Monitoring System" (Reference 7).

5.2.2 DB Element Call Names DB elements are created by selection of their call names. Table 5.2-1 gives the call names for the DB elements.

Table 5.2-1. PAMS Processor DB Elements DB Element Type Call Name Processor Module PM646 Communication Interface C1631 Analog Input Module A1687 Analog Input Module A1688 Digital Input Module D1620 Digital Output Module D0620 Analog Output Module A0650 Real Data Memory DAT(R)

Boolean Data Memory DAT(B)

Integer Data Memory DAT(I)

Integer Long Data Memory DAT(IL)

Data Set Peripheral AF100 Message DSP 5-2 Westinghouse Non-Proprietary Class 3 WNA-SD-00250-WBT-NP, Rev. Rev. 3 3 5-2 Westinghouse Non-Proprietary Class 3

Nuclear Automation Software Design Description for the Post Watts Bar Unit 2 NSSS Completion Program I&C Projects Accident Monitoring System AC160 Software 5.2.3 DB Element Configuration DB elements are configured using the Function Chart Builder (FCB) to enter terminal values. Parameters applicable to all PAMS processor(s) are described and listed in the sections below.

5.2.4 DB Element Module Bus and Station Addresses The bus and station portions of the module DB element address are given in Tables 2.3-1 and 2.3-2 of WNA-SD-00239-WBT-P, "Watts Bar 2 NSSS Completion Program I&C Projects Software Requirements Specification for the Post Accident Monitoring System" (Reference 7).

The AC 160 basic station thumbwheel switch must be set to the applicable station number shown in Tables 2.3-1 and 2.3-2 of WNA-SD-00239-WBT-P, "Watts Bar 2 NSSS Completion Program I&C Projects Software Requirements Specification for the Post Accident Monitoring System" (Reference 7).

The DB section data set peripheral (DSP) station number will use the DSP station numbers as defined in Tables 2.3-1 and 2.3-2 of WNA-SD-00239-WBT-P, "Watts Bar 2 NSSS Completion Program I&C Projects Software Requirements Specification for the Post Accident Monitoring System" (Reference 7).

5.2.5 DB Element Module Parameter Settings 5.2.5.1 Processor Module PM646A The position parameters for the PM646A module are given in Section 4 of WNA-DS-01667-WBT-P, "Watts Bar 2 NSSS Completion Program I&C Projects Post Accident Monitoring System - System Design Specification" (Reference 6). The module names are set to the node numbers given in Tables 2.3-1 and 2.3-2 of WNA-SD-00239-WBT-P, "Watts Bar 2 NSSS Completion Program I&C Projects Software Requirements Specification for the Post Accident Monitoring System" (Reference 7). The other parameters for the PM are set according to Section 4 of WNA-SD-00239-WBT-P, "Watts Bar 2 NSSS Completion Program I&C Projects Software Requirements Specification for the Post Accident Monitoring System" (Reference 7),

5.2.5.2 C1631 Communication Interface Module [CII]

The position parameters for the C1631 module are given in Section 4 of WNA-DS-0 I 667-WBT-P, "Watts Bar 2 NSSS Completion Program I&C Projects Post Accident Monitoring System - System Design Specification" (Reference 6). The module name is CI1. The other parameters for the communication interface module are set according to Section 4 of WNA-SD-00239-WBT-P, "Watts Bar 2 NSSS Completion Program I&C Projects Software Requirements Specification for the Post Accident Monitoring System" (Reference 7).

Rev. 33 5-3 Westinghouse Non-Proprietary Class 3 WNA-SD-00250-WBT-NP, Rev.

WNA-SD-00250-WBT-NP, 5-3 Westinghouse Non-Proprietary Class 3

Nuclear Automation Software Design Description for the Post Watts Bar Unit 2 NSSS Completion Program I&C Projects Accident Monitoring System AC160 Software 5.2.5.3 D1620 Module [Di1]

The position parameters for the DII module are in Section 4 of WNA-DS-O 1667-WBT-P, "Watts Bar 2 NSSS Completion Program I&C Projects Post Accident Monitoring System - System Design

]cax Specification" (Reference 6). [

The other parameters for the DI I module are set according to Section 4 of WNA-SD-00239-WBT-P, "Watts Bar 2 NSSS Completion Program I&C Projects Software Requirements Specification for the Post Accident Monitoring System" (Reference 7).

The following names will be assigned to the digital input channels.

Table 5.2-2. Primary Subrack, RF616, Position 4 for Digital Input Card D1620 a,c 4

4 4 I .4 4 4

1 4 4 4 5-4 Westinghouse Non-Proprietary Class 3 WNA-SD-00250-WBT-NP, Rev.

WNA-SD-00250-WBT-NP, Rev. 3 3 5-4 Westinghouse Non-Proprietary Class 3

Nuclear Automation Software Design Description for the Post Watts Bar Unit 2 NSSS Completion Program I&C Projects Accident Monitoring System ACI60 Software Table 5.2-2. Primary Subrack, RF616, Position 4 for Digital Input Card D1620 (cont.)

a All other parameters for the DI1 channels are set according to Section 4 of WNA-SD-00239-WBT-P, "Watts Bar 2 NSSS Completion Program I&C Projects Software Requirements Specification for the Post Accident Monitoring System" (Reference 7).

5.2.5.4 A1688 Module [AIl]

The position parameters for the AI module are in Section 4 of WNA-DS-0 1667-WBT-P, "Watts Bar 2 NSSS Completion Program I&C Projects Post Accident Monitoring System - System Design Specifications" (Reference 6). [

]C The other parameters for the AlIl module are set according to Section 4 of WNA-SD-00239-WBT-P, "Watts Bar 2 NSSS Completion Program I&C Projects Software Requirements Specification for the Post Accident Monitoring System" (Reference 7).

The following names will be assigned to the analog input channels for the AlIl module.

Table 5.2-3. Primary Subrack, RF616, Position 5 for Analog Input Card A1688 a,c WNA-SD-00250-WBT-NP, Rev. 3 5-5 Westinghouse Non-Proprietary Class 3

Nuclear Automation Software Design Description for the Post Watts Bar Unit 2 NSSS Completion Program I&C Projects Accident Monitoring System AC160 Software Table 5.2-3. Primary Subrack, RF616, Position 5 for Analog Input Card A1688 (cont.)

ac

+

+ 4 4

4 4 4 4

_ _I ____

All other parameters for the AlIl channels are set according to Section 4 of WNA-SD-00239-WBT-P, "Watts Bar 2 NSSS Completion Program I&C Projects Software Requirements Specification for the Post Accident Monitoring System" (Reference 7).

5.2.5.5 A1688 Module [AI21 The position parameters for the A12 module are in Section 4 of WNA-DS-01667-WBT-P, "RRAS Watts Bar 2 NSSS Completion Program I&C Projects Post Accident Monitoring System - System Design Specification" (Reference 6). [ ]a~c The other parameters for the A12 module are set according to Section 4 of WNA-SD-00239-WBT-P, "RRAS Watts Bar 2 NSSS Completion Program I&C Projects Software Requirements Specification for the Post Accident Monitoring System" (Reference 7).

Table 5.2-4. Primary Subrack, RF616, Position 6 for Analog Input card A1688 ac L I 5-6 Westinghouse Non-Proprietary Class 3 WNA-SD-00250-WBT-NP, Rev.

WNA-SD-00250-WBT-NP, Rev. 33 5-6 Westinghouse Non-Proprietary Class 3

Nuclear Automation Software Design Description for the Post Watts Bar Unit 2 NSSS Completion Program I&C Projects Accident Monitoring System AC160 Software Table 5.2-4. Primary Subrack, RF616, Position 6 for Analog Input card A1688 (cont.)

+ 4

1- I

____ I ___ I ______________

All other parameters for the A12 channels are set according to Section 4 of WNA-SD-00239-WBT-P, "Watts Bar 2 NSSS Completion Program I&C Projects Software Requirements Specification for the Post Accident Monitoring System" (Reference 7).

5.2.5.6 A0650 Module [AO1 The position parameters for the A0650 module are in Section 4 of WNA-DS-01667-WBT-P, "Watts Bar 2 NSSS Completion Program I&C Projects Post Accident Monitoring System - System Design Specification" (Reference 6). [ Iac The other parameters for the AO1 module are set according to Section 4 of WNA-SD-00239-WBT-P, "Watts Bar 2 NSSS Completion Program I&C Projects Software Requirements Specification for the Post Accident Monitoring System" (Reference 7).

[

Table 5.2-5. Primary Subrack, RF616, Position 8 for Analog Output Card A0650 I~

a,__c WNA-SD-00250-WBT-NP, Rev. 3 5-7 Westinghouse Non-Proprietary Class 3

Nuclear Automation Software Design Description for the Post Watts Bar Unit 2 NSSS Completion Program I&C Projects Accident Monitoring System AC160 Software Table 5.2-5. Primary Subrack, RF616, Position 8 for Analog Output Card A0650 (cont.)

a,c All other parameters for the AO I channels are set according to Section 4 of WNA-SD-00239-WBT-P, "Watts Bar 2 NSSS Completion Program I&C Projects Software Requirements Specification for the Post Accident Monitoring System" (Reference 7).

5.2.5.7 A0650 Module JA02]

The position parameters for theAO2 module are in Section 4 of WNA-DS-01667-WBT-P, "Watts Bar 2 NSSS Completion Program I&C Projects Post Accident Monitoring System - System Design Specification" (Reference 6). [ ]a,c The other parameters for the A02 module are set according to Section 4 of WNA-SD-00239-WBT-P, "Watts Bar 2 NSSS Completion Program I&C Projects Software Requirements Specification for the Post Accident Monitoring System" (Reference 7).

Table 5.2-6. Primary Subrack, RF616, Position 9 for Analog Output Card A0650 a,c All other parameters for the A02 channels are set according to Section 4 of WNA-SD-00239-WBT-P, "Watts Bar 2 NSSS Completion Program I&C Projects Software Requirements Specification for the Post Accident Monitoring System" (Reference 7).

WNA-SD-00250-WBT-NP, Rev. 3 5-8 Westinghouse Non-Proprietary Class 3

Nuclear Automation Software Design Description for the Post Watts Bar Unit 2 NSSS Completion Program I&C Projects Accident Monitoring System AC160 Software 5.2.5.8 D0620 Module [DOI]

The position parameters for the DOI module are in Section 4 of WNA-DS-01667-WBT-P, "Watts Bar 2 NSSS Completion Program I&C Projects Post Accident Monitoring System - System Design Specification" (Reference 6). [ ],,c The other parameters for the DOI module are set according to Section 4 of WNA-SD-00239-WBT-P, "Watts Bar 2 NSSS Completion Program I&C Projects Software Requirements Specification for the Post Accident Monitoring System" (Reference 7).

Table 5.2-7. Primary Subrack, RF616, Position 10 for Digital Output Card D0620 II ]a~c All other parameters for the DOI channels are set according to Section 4 of WNA-SD-00239-WBT-P, "Watts Bar 2 NSSS Completion Program I&C Projects Software Requirements Specification for the Post Accident Monitoring System" (Reference 7).

5.2.5.9 A1687 Module [A131 The position parameters for the A13 module are in Section 4 of WNA-DS-01667-WBT-P, "Watts Bar 2 NSSS Completion Program I&C Projects Post Accident Monitoring System - System Design

]a.c Specification" (Reference 6). [

The other parameters for the A13 module are set according to Section 4 of WNA-SD-00239-WBT-P, "Watts Bar 2 NSSS Completion Program I&C Projects Software Requirements Specification for the Post Accident Monitoring System" (Reference 7).

5-9 Westinghouse Non-Proprietary Class 3 WNA-SD-00250-WBT-NP, Rev.

WNA-SD-00250-WBT-NP, Rev. 3 3 5-9 Westinghouse Non-Proprietary Class 3

Nuclear Automation Software Design Description for the Post Watts Bar Unit 2 NSSS Completion Program I&C Projects Accident Monitoring System AC160 Software Table 5.2-8. Train A Secondary Subrack, RF620, Position 11 for Analog Input Card A1687 Table 5.2-9. Train B Secondary Subrack, RF620, Position 11 for Analog Input Card A1687 a,(

WNA-SD-00250-WBT-NP, Rev. 3 5-10 Westinghouse Non-Proprietary Class 3

Nuclear Automation Software Design Description for the Post Wafts Bar Unit 2 NSSS Completion Program I&C Projects Accident Monitoring System AC160 Software Table 5.2-9. Train B Secondary Subrack, RF620, Position 11 for Analog Input Card A1687 (cont.)

ac

.4. 4 Ti

+ 4 4

All other parameters for the A13 channels are set according to Section 4 of WNA-SD-00239-WBT-P, "Watts Bar 2 NSSS Completion Program I&C Projects Software Requirements Specification for the Post Accident Monitoring System" (Reference 7).

5.2.5.10 A1687 Module [A14]

The position parameters for the A14 module are in Section 4 of WNA-DS-01667-WBT-P, "Watts Bar 2 NSSS Completion Program I&C Projects Post Accident Monitoring System - System Design

]a,c Specification" (Reference 6). [

The other parameters for the A14 module are set according to Section 4 of WNA-SD-00239-WBT-P, "Watts Bar 2 NSSS Completion Program I&C Projects Software Requirements Specification for the Post Accident Monitoring System" (Reference 7).

Table 5.2-10. Train A Secondary Subrack, RF620, Position 12 for Analog Input Card A1687 a"x

+ 4

+ 4 5-Il Westinghouse Non-Proprietary Class 3 WNA-SD-00250-WBT-NP, Rev.

WNA-SD-00250-WBT-NP, Rev. 3 3 5-11 Westinghouse Non-Proprietary Class 3

Nuclear Automation Software Design Description for the Post Watts Bar Unit 2 NSSS Completion Program I&C Projects Accident Monitoring System AC160 Software Table 5.2-10. Train A Secondary Subrack, RF620, Position 12 for Analog Input Card A1687 (cont.)

Table 5.2-11. Train B Secondary Subrack, RF620, Position 12 for Analog Input Card A1687 4 .4.

__________________________________________ I 4 .4-

+

4 .4.

4 1-5-12 Westinghouse Non-Proprietary Class 3 WNA-SD-00250-WBT-NP, Rev.

WNA-SD-00250-WBT-NP, Rev. 33 5-12 Westinghouse Non-Proprietary Class 3

Nuclear Automation Software Design Description for the Post Watts Bar Unit 2 NSSS Completion Program I&C Projects Accident Monitoring System AC160 Software All other parameters for the AN4 channels are set according to Section 4 of WNA-SD-00239-WBT-P, "Watts Bar 2 NSSS Completion Program I&C Projects Software Requirements Specification for the Post Accident Monitoring System" (Reference 7).

5.2.5.11 A1687 Module [A151 The position parameters for the A15 module are in Section 4 of WNA-DS-01667-WBT-P, "Watts Bar 2 NSSS Completion Program I&C Projects Post Accident Monitoring System - System Design Specification" (Reference 6). [ ]ac The other parameters for the A15 module are set according to Section 4 of WNA-SD-00239-WBT-P, "Watts Bar 2 NSSS Completion Program I&C Projects Software Requirements Specification for the Post Accident Monitoring System" (Reference 7).

Table 5.2-12. Train A Secondary Subrack, RF620, Position 13 for Analog Input Card A1687 a.,c

+ 4 4- I WNA-SD-00250-WBT-NP, Rev. 3 5-13 Westinghouse Non-Proprietary Class 3

Nuclear Automation Software Design Description for the Post Watts Bar Unit 2 NSSS Completion Program I&C Projects Accident Monitoring System AC160 Software Table 5.2-13. Train B Secondary Subrack, RF620, Position 13 for Analog Input Card A1687 4 4

____ j ____ I.____________

All other parameters for the A15 channels are set according to Section 4 of WNA-SD-00239-WBT-P, "Watts Bar 2 NSSS Completion Program I&C Projects Software Requirements Specification for the Post Accident Monitoring System" (Reference 7).

5.2.5.12 A1687 Module [A161 The position parameters for the A16 module are in Section 4 of WNA-DS-01667-WBT-P, "Watts Bar 2 NSSS Completion Program I&C Projects Post Accident Monitoring System - System Design Specification" (Reference 6). [ ]*

The other parameters for the A16 module are set according to Section 4 of WNA-SD-00239-WBT-P, "Watts Bar 2 NSSS Completion Program I&C Projects Software Requirements Specification for the Post Accident Monitoring System" (Reference 7).

WNA-SD-00250-WBT-NP, Rev. 3 5-14 Westinghouse Non-Proprietary Class 3

Nuclear Automation Software Design Description for the Post Watts Bar Unit 2 NSSS Completion Program I&C Projects Accident Monitoring System AC160 Software Table 5.2-14. Train A Secondary Subrack, RF620, Position 14 for Analog Input Card A1687 a,c I 4 I 4 4 4 I 4 Table 5.2-15. Train B Secondary Subrack, RF620, Position 14 for Analog Input Card A1687 a,c 4 4 4 4 4 4

__ __ ______I 5-15 Westinghouse Non-Proprietary Class 3 WNA-SD-00250-WBT-NP, Rev.

WNA-SD-00250-WBT-NP, Rev. 3 3 5-15 Westinghouse Non-Proprietary Class 3

Nuclear Automation Software Design Description for the Post Watts Bar Unit 2 NSSS Completion Program I&C Projects Accident Monitoring System AC160 Software Table 5.2-15. Train B Secondary Subrack, RF620, Position 14 for Analog Input Card A1687 (cont.)

a,c

____ I____ I_____________

All other parameters for the A16 channels are set according to Section 4 of WNA-SD-00239-WBT-P, "Watts Bar 2 NSSS Completion Program I&C Projects Software Requirements Specification for the Post Accident Monitoring System" (Reference 7).

5.2.6 Communication DB Elements 5.2.6.1 AF100 BUS Communication To send and receive data on the AF100 network, DSPs are used. A DSP can hold one to eight DAT values.

5.2.6.2 DSPs This section describes how DSPs are used and the naming conventions. Standard signal naming conventions are documented in 00000-ICE-3889, "Coding Standards and Guidelines for Common Q Systems" (Reference 4) and subsection 2.3.1 of WNA-SD-00239-WBT-P, "Watts Bar 2 NSSS Completion Program I&C Projects Software Requirements Specification for the Post Accident Monitoring System" (Reference 7).

5.2.6.2.1 DSP Terminal Settings Standard DSP configuration requirements and guidelines used in the PAMS station or processor are identified in Section 4 of WNA-SD-00239-WBT-P, "Watts Bar 2 NSSS Completion Program I&C Projects Software Requirements Specification for the Post Accident Monitoring System" (Reference 7).

5-16 Westinghouse Non-Proprietary Class 3 WNA-SD-00250-WBT-NP, Rev.

WNA-SD-00250-WBT-NP, Rev. 3 3 5-16 Westinghouse Non-Proprietary Class 3

Nuclear Automation Software Design Description for the Post Watts Bar Unit 2 NSSS Completion Program I&C Projects Accident Monitoring System AC160 Software 5.2.6.2.2 DATs I ]a~c The specific DAT names assigned are provided in the tables that follow, organized by DSP names.

5.2.7 Sending Data DSP Elements Data will be transmitted from the AC160 to the MTP and OM via DSPs. The AC160 will broadcast information onto the AF100 bus, where it is available to both the MTP and OM. Table 5.2-16 lists the sending DSPs.

Table 5.2-16. WBT PAMS Sending DSPs a,c WNA-SD-00250-WBT-NP, Rev. 3 5-17 Westinghouse Non-Proprietary Class 3

Nuclear Automation Software Design Description for the Post Watts Bar Unit 2 NSSS Completion Program I&C Projects Accident Monitoring System AC160 Software Table 5.2-16. WBT PAMS Sending DSPs (cont.)

a,c 5-18 Westinghouse Non-Proprietary Class 3 Rev. 3 WNA-SD-00250-WBT-NP, Rev.

WNA-SD-00250-WBT-NP, 3 5-18 Westinghouse Non-Proprietary Class 3

Nuclear Automation Software Design Description for the Post Watts Bar Unit 2 NSSS Completion Program I&C Projects Accident Monitoring System AC160 Software Table 5.2-16. WBT PAMS Sending DSPs (cont.)

a,c*

5-19 Westinghouse Non-Proprietary Class 3 Rev. 3 WNA-SD-00250-WBT-NP, Rev.

WNA-SD-00250-WBT-NP, 3 5-19 Westinghouse Non-Proprietary Class 3

Nuclear Automation Software Design Description for the Post Watts Bar Unit 2 NSSS Completion Program I&C Projects Accident Monitoring System AC160 Software Table 5.2-16. WBT PAMS Sending DSPs (cont.)

5-20 Westinghouse Non-Proprietary Class 3 WNA-SD-00250-WBT-NP, Rev. 3 WNA-SD-00250-WBT-NP, Rev. 3 5-20 Westinghouse Non-Proprietary Class 3

Nuclear Automation Software Design Description for the Post Watts Bar Unit 2 NSSS Completion Program I&C Projects Accident Monitoring System AC 160 Software Note:

1. NO - represents the following depending on the type of DSP:

B Number of Boolean RECords (NO BREC) in the set.

I Number of INTeger (NOINT) records in the set.

IL Number of INTeger Long (NOINTL) records in the set.

R Number of Real (NO REAL) records in the set.

5.2.7.1 DSP Name: PIDSTAI II

]axC a,c a,c T N ,R v -1W si g o s o - r pitr ls WN - D 0 2 0 W WNA-SD-00250-WBT-NP, Rev. 3 5-21 Westinghouse Non-Proprietary Class 3

Nuclear Automation Software Design Description for the Post Watts Bar Unit 2 NSSS Completion Program I&C Projects Accident Monitoring System AC160 Software a,c a,c a,c I______ I 1 5-22 Westinghouse Non-Proprietary Class 3 WNA-SD-00250-WBT-NP, Rev. 3 WNA-SD-00250-WBT-NP, Rev. 3 5-22 Westinghouse Non-Proprietary Class 3

Nuclear Automation Software Design Description for the Post Watts Bar Unit 2 NSSS Completion Program I&C Projects Accident Monitoring System AC160 Software a,c i

WNA-SD-00250-WBT-NP, Rev. 3 5-23 Westinghouse Non-Proprietary Class 3

Nuclear Automation Software Design Description for the Post Watts Bar Unit 2 NSSS Completion Program I&C Projects Accident Monitoring System AC160 Software a,c 5-24 Westinghouse Non-Proprietary Class 3 Rev. 3 WNA-SD-00250-WBT-NP, Rev. 3 5-24 Westinghouse Non-Proprietary Class 3

Nuclear Automation Software Design Description for the Post Watts Bar Unit 2 NSSS Completion Program I&C Projects Accident Monitoring System AC160 Software 5.2.7.2 DSP Name: PIDSTA2 This DSP transmits various status bits to the OM and to the MTP.

a,__c i

3 5-25 Westinghouse Non-Proprietary Class 3 WNA-SD-00250-WBT-NP, Rev.

WNA-SD-00250-WBT-NP, Rev. 3 5-25 Westinghouse Non-Proprietary Class 3

Nuclear Automation Software Design Description for the Post Watts Bar Unit 2 NSSS Completion Program I&C Projects Accident Monitoring System AC160 Software a,c WNA-SD-00250-WBT-NP, Rev. 3 5-26 Westinghouse Non-Proprietary Class 3

Nuclear Automation Software Design Description for the Post Watts Bar Unit 2 NSSS Completion Program I&C Projects Accident Monitoring System AC160 Software 5.2.7.3 DSP Name: PIDSYS This DSP contains information on the AC 160 system status.

]a.c a,c

-I. 4

-~ t I 5.2.7.4 DSP Name: PID ACSYSTEM This DSP transmits addressable constants back to the OM and to the MTP.

a,c 5.2.7.5 DSP Name: PID_10 WNA-SD-00250-WBT-NP, Rev. 3 5-27 Westinghouse Non-Proprietary Class 3

Nuclear Automation Software Design Description for the Post Watts Bar Unit 2 NSSS Completion Program I&C Projects Accident Monitoring System AC160 Software II p.c a,c

__________ I

________________________________ [____________________________________________

WNA-SD-00250-WBT-NP, Rev. 3 5-28 Westinghouse Non-Proprietary Class 3

Nuclear Automation Software Design Description for the Post Watts Bar Unit 2 NSSS Completion Program I&C Projects Accident Monitoring System AC160 Software i

I a,c

[________________________________________________________________________________

r________________________________________________________________________________

[________________________________________________________________________________

5-29 Westinghouse Non-Proprietary Class 3 WNA-SD-00250-WBT-NP, Rev.

WNA-SD-00250-WBT-NP, Rev. 3 3 5-29 Westinghouse Non-Proprietary Class 3

Nuclear Automation Software Design Description for the Post Watts Bar Unit 2 NSSS Completion Program I&C Projects Accident Monitoring System AC160 Software a,c ac F

5-30 Westinghouse Non-Proprietary Class 3 Rev. 3 WNA-SD-00250-WBT-NP, Rev.

WNA-SD-00250-WBT-NP, 3 5-30 Westinghouse Non-Proprietary Class 3

Nuclear Automation Software Design Description for the Post Watts Bar Unit 2 NSSS Completion Program I&C Projects Accident Monitoring System AC160 Software a,c i

5-31 Westinghouse Non-Proprietary Class 3 Rev. 3 WNA-SD-00250-WBT-NP, Rev.

WNA-SD-00250-WBT-NP, 3 5-31 Westinghouse Non-Proprietary Class 3

Nuclear Automation Software Design Description for the Post Watts Bar Unit 2 NSSS Completion Program I&C Projects Accident Monitoring System AC160 Software a,c i

i i

5-32 Westinghouse Non-Proprietary Class 3 WNA-SD-00250-WBT-NP, Rev. 3 WNA-SD-00250-WBT-NP, Rev. 3 5-32 Westinghouse Non-Proprietary Class 3

Nuclear Automation Software Design Description for the Post Watts Bar Unit 2 NSSS Completion Program I&C Projects Accident Monitoring System AC160 Software a,c 7

a,c i

i WNA-SD-00250-WBT-NP, Rev. 3 5-33 Westinghouse Non-Proprietary Class 3

Nuclear Automation Software Design Description for the Post Watts Bar Unit 2 NSSS Completion Program I&C Projects Accident Monitoring System ACI60 Software 5.2.7.6 DSP Name: PIDEU

] a,c a,c

-. __ I

.t.

I 5.2.7.7 DSP Names: PID_All _IN, PIDAI2 _IN ac a,c si g o s o - r pitr ls R v -4W WN - D 0 2 0 W T N ,

WNA-SD-00250-WBT-NP, Rev. 3 5-34 Westinghouse Non-Proprietary Class 3

Nuclear Automation Software Design Description for the Post Watts Bar Unit 2 NSSS Completion Program I&C Projects Accident Monitoring System AC160 Software a,c I I I a I I a,c 5.2.7.8 DSP Names: PIDCETINI, PID CETIN2, PIDCET_IN3, PIDCETIN4, PIDCETIN5 II

]ac a,c

-t I 3 5-35 Westinghouse Non-Proprietary Class 3 WNA-SD-00250-WBT-NP, Rev.

WNA-SD-00250-WBT-NP, Rev. 3 5-35 Westinghouse Non-Proprietary Class 3

Nuclear Automation Software Design Description for the Post Watts Bar Unit 2 NSSS Completion Program I&C Projects Accident Monitoring System AC160 Software a,c a,c

-t t *1-5-36 Westinghouse Non-Proprietary Class 3 Rev. 3 WNA-SD-00250-WBT-NP, Rev.

WNA-SD-00250-WBT-NP, 3 5-36 Westinghouse Non-Proprietary Class 3

Nuclear Automation Software Design Description for the Post Watts Bar Unit 2 NSSS Completion Program I&C Projects Accident Monitoring System AC160 Software a,c a,c ac

+

5-37 Westinghouse Non-Proprietary Class 3 WNA-SD-00250-WBT-NP, Rev. 33 WNA-SD-00250-WBT-NP, Rev. 5-37 Westinghouse Non-Proprietary Class 3

Nuclear Automation Software Design Description for the Post Watts Bar Unit 2 NSSS Completion Program I&C Projects Accident Monitoring System ACI60 Software a,c

-1 _____________ 1_________________________ 1 ______________________________________________

a,c 5-38 Westinghouse Non-Proprietary Class 3 WNA-SD-00250-WBT-NP, WNA-SD-00250-WBT-NP, Rev.

Rev. 3 3

5-38 Westinghouse Non-Proprietary Class 3

Nuclear Automation Software Design Description for the Post Watts Bar Unit 2 NSSS Completion Program I&C Projects Accident Monitoring System AC160 Software a,c a,c 5.2.7.9 DSP Names: PIDCETOUTI, PID_CET_OUT2, PIDCETOUT3, PIDCETOUT4 I ]a,c 3 5-39 Westinghouse Non-Proprietary Class 3 WNA-SD-00250-WBT-NP, Rev.

Rev. 3 5-39 Westinghouse Non-Proprietary Class 3

Nuclear Automation Software Design Description for the Post Watts Bar Unit 2 NSSS Completion Program I&C Proiects Accident MonitorinR System AC160 Software a,c

-4. +

-4. I t a,c WN-D020WTNRv.354 etnhueNo-rpitr ls WNA-SD-00250-WBT-NP, Rev. 3 5-40 Westinghouse Non-Proprietary Class 3

Nuclear Automation Software Design Description for the Post Watts Bar Unit 2 NSSS Completion Program I&C Projects Accident Monitoring System ACI60 Software 5.2.7.10 DSP Name: PID_10_PROC

]ac

[ a,c 5.2.7.11 DSP Name: PIDACCET

]a,c a,(

5.2.7.12 DSP Names: PIDSMMOUTI, PID_SMMOUT2

]a,c WNA-SD-00250-WBT-NP, Rev. 3 5-41 Westinghouse Non-Proprietary Class 3

Nuclear Automation Software Design Description for the Post Watts Bar Unit 2 NSSS Completion Program I&C Projects Accident Monitoring System AC 160 Software a,c

______________________ [__________________________________ I_______________________________________________________________________________________

I ]ac axc 5.2.7.13 DSP Name: PIDACSMM

[ Sax ac si g o s No - r pitr Cls 3 W N - D 0 5 -W T N ,R v 35-2W WNA-SD-00250-WBT-NP, Rev. 3 5-42 Westinghouse Non-Proprietary Class 3

Nuclear Automation Software Design Description for the Post Watts Bar Unit 2 NSSS Completion Program I&C Projects Accident Monitoring System AC160 Software 5.2.7.14 DSP Names: PIDRVLOUTI, PID_RVLOUT2, PIDRVLOUT3, PIDRVLOUT4, PIDRVLOUT5, PID_RVL_OUT6

[I ]a,c a.

-i I t

-1 1 t

-4 4 a,c 4

+

.t.

+

1-4 4

Rev. 33 5-43 Westinghouse Non-Proprietary Class 3 WNA-SD-00250-WBT-NP, WNA-SD-00250-WBT-NP, Rev. 543 Westinghouse Non-Proprietary Class 3

Nuclear Automation Software Design Description for the Post Watts Bar Unit 2 NSSS Completion Program I&C Projects Accident Monitoring System AC160 Software

+

.1.

1-

+

a, WNA-D-0250WBT-P, ev.3 544 Wstighose on-Popretay Cass(

WNA-SD-00250-WBT-NP, Rev. 3 5-44 Westinghouse Non-Proprietary Class 3

Nuclear Automation Software Design Description for the Post Watts Bar Unit 2 NSSS Completion Program I&C Projects Accident Monitoring System AC160 Software a,c a,c

-4 9- 1

-4 4- 4

-4 4- I a,c 5-45 Westinghouse Non-Proprietary Class 3 WNA-SD-00250-WBT-NP, Rev. 33 WNA-SD-00250-WBT-NP, Rev. 5-45 Westinghouse Non-Proprietary Class 3

Nuclear Automation Software Design Description for the Post Watts Bar Unit 2 NSSS Completion Program I&C Projects Accident Monitoring System AC160 Software a,c a,c 5.2.7.15 DSP Names: PIDRVLIS_I, PIDRVLIS_2, PIDRVLIS_3, PIDRVLIS_4, PIDRVLIS_5, PIDRVLIS_6, PID_RVLIS_7, PIDRVLIS 8, PID_RVLIS_9, PIDRVLIS_10, PID RVLIS_ 11, PIDRVLIS_12, PIDRVLIS_13, PID_RVLIS_14 PID_RVLIS_15, PIDRVLIS 16, PID_RVLIS_ 17, PIDRVLIS 18, PIDRVLIS 19, PIDRVLIS_20, PID_RVLIS_21, PIDRVLIS_22, PIDRVLIS_23, PIDRVLIS_24, PIDRVLIS_25, PID RVLIS_26, PIDRVLIS_27, PIDRVLIS_28, PIDRVLIS_29, PIDRVLIS_30, PIDRVLIS_31, PIDRVLIS_32, PIDRVLIS_33

[ ]a,c WNA-SD-00250-WBT-NP, Rev. 3 5-46 Westinghouse Non-Proprietary Class 3

Nuclear Automation Software Design Description for the Post Watts Bar Unit 2 NSSS Completion Program I&C Projects Accident Monitoring System AC160 Software a,c a,c 5-47 Westinghouse Non-Proprietary Class 3 WNA-SD-00250-WBT-NP, Rev. 3 WNA-SD-00250-WBT-NP, Rev. 3 5-47 Westinghouse Non-Proprietary Class 3

Nuclear Automation Software Design Description for the Post Watts Bar Unit 2 NSSS Completion Program I&C Projects Accident Monitorin2 System AC160 Software a,c V T

-4 4 +

Wa,s WNA-SD-00250-WBT-NP, Rev. 3 5-48 Westinghouse Non-Proprietary Class 3

Nuclear Automation Software Design Description for the Post Watts Bar Unit 2 NSSS Completion Program I&C Projects Accident Monitoring System ACI60 Software a,,

a,c 5-49 Westinghouse Non-Proprietary Class 3 Rev. 3 WNA-SD-00250-WBT-NP, Rev.

WNA-SD-00250-WBT-NP, 3 5-49 Westinghouse Non-Proprietary Class 3

Nuclear Automation Software Design Description for the Post Watts Bar Unit 2 NSSS Completion Program I&C Projects Accident Monitoring System AC160 Software

-4 i

-4 4 4

-4 4 4 a,c

-4 4 4

-* i 4

-4 4

-t 4 4

-4 4 4 WNA-SD-00250-WBT-NP, Rev. 3 5-50 Westinghouse Non-Proprietary Class 3

Nuclear Automation Software Design Description for the Post Watts Bar Unit 2 NSSS Completion Program I&C Projects Accident Monitoring System AC160 Software a,c

[I a,c 5-51 Westinghouse Non-Proprietary Class 3 WNA-SD-00250-WBT-NP, Rev.

WNA-SD-00250-WBT-NP, Rev. 3 3 5-51 Westinghouse Non-Proprietary Class 3

Nuclear Automation Software Design Description for the Post Watts Bar Unit 2 NSSS Completion Program I&C Projects Accident Monitoring System AC160 Software a,c t 4

-4 4 4

-t t 4

-- 4 4 4 a,c 3 5-52 Westinghouse Non-Proprietary Class 3 WNA-SD-00250-WBT-NP, Rev.

WNA-SD-00250-WBT-NP, Rev. 3 5-52 Westinghouse Non-Proprietary Class 3

Nuclear Automation Software Design Description for the Post Watts Bar Unit 2 NSSS Completion Program I&C Projects Accident Monitoring System AC160 Software a,c

-*1- I 4

-+ 4 4

~a C 1

WNA-SD-00250-WBT-NP, Rev. 3 5-53 Westinghouse Non-Proprietary Class 3

Nuclear Automation Software Design Description for the Post Watts Bar Unit 2 NSSS Completion Program I&C Projects Accident Monitoring System AC160 Software a,c a,_c 5-54 Westinghouse Non-Proprietary Class 3 WNA-SD-00250-WBT-NP, Rev. 3 WNA-SD-00250-WBT-NP, Rev. 3 5-54 Westinghouse Non-Proprietary Class 3

Nuclear Automation Software Design Description for the Post Watts Bar Unit 2 NSSS Completion Program I&C Projects Accident Monitoring System AC160 Software a,c

-a a F-a,c 5-55 Westinghouse Non-Proprietary Class 3 WNA-SD-00250-WBT-NP, Rev. 3 WNA-SD-00250-WBT-NP, Rev. 3 5-55 Westinghouse Non-Proprietary Class 3

Nuclear Automation Software Design Description for the Post Watts Bar Unit 2 NSSS Completion Program I&C Projects Accident Monitoring System AC160 Software

-I I

a,c 5-56 Westinghouse Non-Proprietary Class 3 Rev. 3 WNA-SD-00250-WBT-NP, Rev.

WNA-SD-00250-WBT-NP, 3 5-56 Westinghouse Non-Proprietary Class 3

Nuclear Automation Software Design Description for the Post Watts Bar Unit 2 NSSS Completion Program I&C Projects Accident Monitoring System AC160 Software I-m aXC L I a,c

-t 4 1*

-t I I -~

-4 4 4

-t 4 4

-l I

-t I

-t 4 +

5-57 Westinghouse Non-Proprietary Class 3 Rev. 3 WNA-SD-00250-WBT-NP, Rev.

WNA-SD-00250-WBT-NP, 3 5-57 Westinghouse Non-Proprietary Class 3

Nuclear Automation Software Design Description for the Post Watts Bar Unit 2 NSSS Completion Program I&C Projects Accident Monitoring System AC160 Software aC a,c WNA-SD-00250-WBT-NP, Rev. 3 5-58 Westinghouse Non-Proprietary Class 3

Nuclear Automation Software Design Description for the Post Watts Bar Unit 2 NSSS Completion Program I&C Projects Accident Monitoring System AC160 Software a,c

-1~ I

+ 4 WN-D-05-B-P e.355 esigos o-rpitr ls WNA-SD-00250-WBT-NP, Rev. 3 5-59 Westinghouse Non-Proprietary Class 3

Nuclear Automation Software Design Description for the Post Watts Bar Unit 2 NSSS Completion Program I&C Projects Accident Monitoring System AC160 Software

_____________ I _______________ __________________________________________________________

-1~ *1* I a,c

-1 *I- t

-l t 5-60 Westinghouse Non-Proprietary Class 3 WNA-SD-00250-WBT-NP, Rev.

WNA-SD-00250-WBT-NP, Rev. 3 3 5-60 Westinghouse Non-Proprietary Class 3

Nuclear Automation Software Design Description for the Post Watts Bar Unit 2 NSSS Completion Program I&C Projects Accident Monitoring System AC160 Software a,c

1~ +

=1

[II I,1 Ic WNA-SD-00250-WBT-NP, Rev. 3 5-61 Westinghouse Non-Proprietary Class 3

Nuclear Automation Software Design Description for the Post Watts Bar Unit 2 NSSS Completion Program I&C Projects Accident Monitoring System AC160 Software

-I. 4 4

-t 4 4

-4

4

-t 4 4

-4 4 4

ýa~c

-t t I

-, 4 4

-t 4 4

-4 4 4

-t 4 4 a,c

-t 4 *

-4 4 4

-t 1 4

-4 4 4

-t 4 4 WNA-SD-00250-WBT-NP, Rev. 3 5-62 Westinghouse Non-Proprietary Class 3

Nuclear Automation Software Design Description for the Post Watts Bar Unit 2 NSSS Completion Program I&C Projects Accident Monitoring System AC160 Software 5.2.7.16 DSP Names: PIDANASELI, PIDANASEL2 la,c

1-a,c

-+ + 4

-I- 4

1- 4 5.2.7.17 DSP Names: PIDRTDIN I ]a~c a,c 3 5-63 Westinghouse Non-Proprietary Class 3 WNA-SD-00250-WBT-NP, Rev.

WNA-SD-00250-WBT-NP, Rev. 3 5-63 Westinghouse Non-Proprietary Class 3

Nuclear Automation Software Design Description for the Post Watts Bar Unit 2 NSSS Completion Program I&C Projects Accident Monitorin2 System AC160 Software 5.2.8 Receiving Data DSP Elements

]a~c Table 5.2-17. WB PAMS Receiving DSPs a.5C WNA-SD-00250-WBT-NP, Rev. 3 5-64 Westinghouse Non-Proprietary Class 3

Nuclear Automation Software Design Description for the Post Watts Bar Unit 2 NSSS Completion Program I&C Projects Accident Monitoring System AC160 Software Table 5.2-17. WB PAMS Receiving DSPs a ,C WNA-SD-00250-WBT-NP, Rev. 3 5-65 Westinghouse Non-Proprietary Class 3

Nuclear Automation Software Design Description for the Post Watts Bar Unit 2 NSSS Completion Program I&C Projects Accident Monitoring System AC160 Software Table 5.2-17. WB PAMS Receiving DSPs a,c I.- 4 + 4 4 + 4 + 4 Rev. 33 5-66 Westinghouse Non-Proprietary Class 3 WNA-SD-00250-WBT-NP, WNA-SD-00250-WBT-NP, Rev. 5-66 Westinghouse Non-Proprietary Class 3

Nuclear Automation Software Design Description for the Post Watts Bar Unit 2 NSSS Completion Program I&C Projects Accident Monitoring System AC160 Software Table 5.2-17. WB PAMS Receiving DSPs acm 5-67 Westinghouse Noa-Proprietary Class 3 WNA-SD-00250-WBT-NP, Rev. 3 WNA-SD-00250-WBT-NP, Rev. 3 5-67 Westinghouse Non-Proprietary Class 3

Nuclear Automation Software Design Description for the Post Watts Bar Unit 2 NSSS Completion Program I&C Projects Accident Monitoring System AC160 Software Table 5.2-17. WB PAMS Receiving DSPs a,c I1I 5-68 Westinghouse Non-Proprietary Class 3 WNA-SD-00250-WBT-NP, Rev. 3 WNA-SD-00250-WBT-NP, Rev. 3 5-68 Westinghouse Non-Proprietary Class 3

Nuclear Automation Software Design Description for the Post Watts Bar Unit 2 NSSS Completion Program I&C Projects Accident Monitoring System AC160 Software Table 5.2-17. WB PAMS Receiving DSPs a,c

-Notes I1. [ ]a,c

2. NO - represents the following depending on the type of DSP:

B Number of Boolean RECords (NOBREC) in the set.

I Number of INTeger (NO - NT )records in the set.

IL Number of JNTeger Long (NOINTL) records in the set.

R Number of Real (NO-REAL) records in the set.

5.2.8.1 DSP Names: MTPSTAT la,c WNA-SD-00250-WBT-NP, Rev. 3 5-69 Westinghouse Non-Proprietary Class 3

Nuclear Automation Software Design Description for the Post Watts Bar Unit 2 NSSS Completion Program I&C Projects Accident Monitoring System AC160 Software

-t

+

7 a,c WNA-SD-00250-WBT-NP, Rev. 3 5-70 Westinghouse Non-Proprietary Class 3

Nuclear Automation Software Design Description for the Post Watts Bar Unit 2 NSSS Completion Program I&C Projects Accident Monitoring System AC160 Software a,c 1-

1-I

~1 ____________________________________________________________

4

+

1*

WNA-SD-00250-WBT-NP, Rev. 3 5-71 Westinghouse Non-Proprietary Class 3

Nuclear Automation Software Design Description for the Post Watts Bar Unit 2 NSSS Completion Program I&C Projects Accident Monitoring System AC160 Software 5-72 Westinghouse Non-Proprietary Class 3 WNA-SD-00250-WBT-NP, Rev.

WNA-SD-00250-WBT-NP, Rev. 3 3 5-72 Westinghouse Non-Proprietary Class 3

Nuclear Automation Software Design Description for the Post Watts Bar Unit 2 NSSS Completion Program I&C Projects Accident Monitoring System AC160 Software IC I

m EI I I

.9-1*

5.2.8.2 DSP Names: MTPSYSTEM, MTP_ISYSTEM I

]a.

a,c ac WNA-SD-00250-WBT-NP, Rev. 3 5-73 Westinghouse Non-Proprietary Class 3

Nuclear Automation Software Design Description for the Post Watts Bar Unit 2 NSSS Completion Program I&C Projects Accident Monitoring System AC160 Software a,c 5.2.8.3 DSP Names: MTPCET, MTPICET,

[ ]a,c a,c

-4 4 4 ii I I________

-4 + 4 aýii

-4 + 4

-t 1- 1 WNA-SD-00250-WBT-NP, Rev. 3 5-74 Westinghouse Non-Proprietary Class 3

Nuclear Automation Software Design Description for the Post Watts Bar Unit 2 NSSS Completion Program I&C Projects Accident Monitoring System AC160 Software 5.2.8.4 DSP Names: MTPSMM, MTPISMM_

I

]a,c a,c

-1* t *t.

-+ +

1-

.4-t +

a,c t +

4 +

3 5-75 Westinghouse Non-Proprietary Class 3 WNA-SD-00250-WBT-NP, Rev.

WNA-SD-00250-WBT-NP, Rev. 3 5-75 Westinghouse Non-Proprietary Class 3

Nuclear Automation Software Design Description for the Post Watts Bar Unit 2 NSSS Completion Program I&C Projects Accident Monitoring System AC160 Software 5.2.8.5 DSP Names: MTPSMMTST

]ac WNA-SD-00250-WBT-NP, Rev. 3 5-76 Westinghouse Non-Proprietary Class 3

Nuclear Automation Software Design Description for the Post Watts Bar Unit 2 NSSS Completion Program I&C Projects Accident Monitoring System AC160 Software 5.2.8.6 DSP Names: MTPRVLIS_I, MTPIRVL_I, MTP_RVLIS_2, MTP_IRVL_2, MTPRVLIS_3, MTPIRVL_3, MTP_RVLIS_4, MTPIRVL_4, MTPRVLIS_5, MTPIRVL_5, MTPRVLIS_6, MTPIRVL_6, MTPRVLIS_7, MTP_IRVL_7, MTPRVLIS_8, MTPIRVL_8, MTP_RVLIS_9, MTP IRVL_9, MTPRVLIS_10, MTPIRVL_10, MTPRVLISI1, MTPIRVLI1, MTP_RVLIS_12, MTPIRVL_12, MTPRVLIS_13, MTPIRVL_13, MTPRVLIS_14, MTPIRVL 14, MTP_RVLIS_15, MTPIRVL_15, MTPRVLIS_16 MTPIRVL_16, MTPRVLIS_17, MTPIRVL_17, MTPRVLIS_18, MTPIRVL_18, MTPRVLIS_19, MTPIRVL_19, MTPRVLIS_20, MTPIRVL_20, MTPRVLIS_21, MTPIRVL_21, MTP_RVLIS_22, MTP IRVL_22, MTPRVLIS_23, MTPIRVL 23, MTPRVLIS_24, MTPIRVL_24, MTPRVLIS_25, MTPIRVL_25, MTPRVLIS_26, MTP_IRVL_26, MTPRVLIS_27, MTPIRVL_27, MTPRVLIS_28, MTPIRVL_28, MTPRVLIS_29, MTPIRVL_29, MTPRVLIS_30, MTPIRVL_30, MTP RVLIS_31, MTPIRVL_31, MTPRVLIS_32, MTPIRVL_32 a,c a,c a,c

-t I +

5-77 Westinghouse Non-Proprietary Class 3 WNA-SD-00250-WBT-NP, Rev.

WNA-SD-00250-WBT-NP, Rev. 3 3 5-77 Westinghouse Non-Proprietary Class 3

Nuclear Automation Software Design Description for the Post Watts Bar Unit 2 NSSS Completion Program I&C Projects Accident Monitoring System AC160 Software a,c

-t -1

-# I +

-* i 4

-4 4 +

-t 4 +

-, 4 4 5-78 Westinghouse Non-Proprietary Class 3 WNA-SD-00250-WBT-NP, Rev.

WNA-SD-00250-WBT-NP, Rev. 3 3 5-78 Westinghouse Non-Proprietary Class 3

Nuclear Automation Software Design Description for the Post Watts Bar Unit 2 NSSS Completion Program I&C Projects Accident Monitoring System AC160 Software a,c

-t I

-~ 4

-t t t I I

-t I I a,c

-~ I +

-~ * +

-t I

-t I +

-I I WNA-SD-00250-WBT-NP, Rev. 3 5-79 Westinghouse Non-Proprietary Class 3

Nuclear Automation Software Design Description for the Post Watts Bar Unit 2 NSSS Completion Program I&C Projects Accident Monitoring System AC160 Software a,.c a,c

-I

-t

-t I I

-t I I a,c WNA-SD-00250-WBT-NP, Rev. 3 5-80 Westinghouse Non-Proprietary Class 3

Nuclear Automation Software Design Description for the Post Watts Bar Unit 2 NSSS Completion Program I&C Projects Accident Monitoring System AC160 Software a,c 4

I

+

1~ t a111 WNA-SD-00250-WBT-NP, Rev. 3 5-81 Westinghouse Non-Proprietary Class 3

Nuclear Automation Software Design Description for the Post Watts Bar Unit 2 NSSS Completion Program I&C Projects Accident Monitoring System AC160 Software a,c a,c WNA-SD-00250-WBT-NP, Rev. 3 5-82 Westinghouse Non-Proprietary Class 3

Nuclear Automation Software Design Description for the Post Wafts Bar Unit 2 NSSS Completion Program I&C Projects Accident Monitoring System AC160 Software a,c Rev. 33 5-83 Westinghouse Non-Proprietary Class 3 WNA-SD-00250-WBT-NP, WNA-SD-00250-WBT-NP, Rev. 5-83 Westinghouse Non-Proprietary Class 3

Nuclear Automation Software Design Description for the Post Watts Bar Unit 2 NSSS Completion Program I&C Projects Accident Monitoring System AC160 Software a,c

+ 4 1- I a,c 4 +

5-84 Westinghouse Non-Proprietary Class 3 Rev. 3 WNA-SD-00250-WBT-NP, Rev.

WNA-SD-00250-WBT-NP, 3 5-84 Westinghouse Non-Proprietary Class 3

Nuclear Automation Software Design Description for the Post Watts Bar Unit 2 NSSS Completion Program I&C Projects Accident Monitoring System AC160 Software a,c a,c

-~ t 3 5-85 Westinghouse Non-Proprietary Class 3 WNA-SD-00250-WBT-NP, Rev.

WNA-SD-00250-WBT-NP, Rev. 3 5-85 Westinghouse Non-Proprietary Class 3

Nuclear Automation Software Design Description for the Post Watts Bar Unit 2 NSSS Completion Program I&C Projects Accident Monitoring System AC160 Software ac a,c

_____________ [__________________________ I ______________________________________________

m ac

-+ 4 4

-1* 4 4

-4 + 4 4

-+ 4 4 5-86 Westinghouse Non-Proprietary Class 3 WNA-SD-00250-WBT-NP, Rev.

WNA-SD-00250-WBT-NP, Rev. 3 3 5-86 Westinghouse Non-Proprietary Class 3

Nuclear Automation Software Design Description for the Post Watts Bar Unit 2 NSSS Completion Program I&C Projects Accident Monitoring System AC160 Software

-, 4 .4 a,c

-4 .4 a,c WNA-SD-00250-WBT-NP, Rev. 3 5-87 Westinghouse Non-Proprietary Class 3

Nuclear Automation Software Design Description for the Post Watts Bar Unit 2 NSSS Completion Program I&C Projects Accident Monitorin2 System AC160 Software a,c I

WNA-SD-00250-WBT-NP, Rev. 3 5-88 Westinghouse Non-Proprietary Class 3

Nuclear Automation Software Design Description for the Post Watts Bar Unit 2 NSSS Completion Program I&C Projects Accident Monitoring System AC160 Software a,c a,__c a,c WNA-SD-00250-WBT-NP, Rev. 3 5-89 Westinghouse Non-Proprietary Class 3

Nuclear Automation Software Design Description for the Post Watts Bar Unit 2 NSSS Completion Program I&C Projects Accident Monitoring System AC160 Software a,c ac 2

a,c

-4 .9 I.

-4 4 9.

-4 4 WNA-SD-00250-WBT-NP, Rev. 3 5-90 Westinghouse Non-Proprietary Class 3

Nuclear Automation Software Design Description for the Post Watts Bar Unit 2 NSSS Completion Program I&C Projects Accident Monitoring System ACI60 Software a,c

_____________ I __________________________ I ________________________________________________

-+ + 4 aLC_

3 5-91 Westinghouse Non-Proprietary Class 3 WNA-SD-00250-WBT-NP, Rev.

WNA-SD-00250-WBT-NP, Rev. 3 5-91 Westinghouse Non-Proprietary Class 3

Nuclear Automation Software Design Description for the Post Watts Bar Unit 2 NSSS Completion Program I&C Projects Accident Monitoring System AC160 Software a,c a,c WNA-SD-00250-WBT-NP, Rev. 3 5-92 Westinghouse.Non-Proprietary Class 3

Nuclear Automation Software Design Description for the Post Watts Bar Unit 2 NSSS Completion Program I&C Projects Accident Monitoring System AC160 Software a,c

+ 4-

-4 4 +

a,c

-4 t +

-+ 4-

-4. +

a,c 5-93 Westinghouse Non-Proprietary Class 3 WNA-SD-00250-WBT-NP, Rev.

WNA-SD-00250-WBT-NP, Rev. 3 3 5-93 Westinghouse Non-Proprietary Class 3

Nuclear Automation Software Design Description for the Post Watts Bar Unit 2 NSSS Completion Program I&C Projects Accident Monitoring System AC160 Software a,c WNA-SD-00250-WBT-NP, Rev. 3 5-94 Westinghouse Non-Proprietary Class 3

Nuclear Automation Software Design Description for the Post Watts Bar Unit 2 NSSS Completion Program I&C Projects Accident Monitoring System AC160 Software a,c a,c I I I I WNA-SD-00250-WBT-NP, Rev. 3 5-95 Westinghouse Non-Proprietary Class 3

Nuclear Automation Software Design Description for the Post Watts Bar Unit 2 NSSS Completion Program I&C Projects Accident Monitoring System AC160 Software a,c

-t t I a,c_

WNA-SD-00250-WBT-NP, Rev. 3 5-96 Westinghouse Non-Proprietary Class 3

Nuclear Automation Software Design Description for the Post Watts Bar Unit 2 NSSS Completion Program I&C Projects Accident Monitoring System AC160 Software a,c a,c a,c 5-97 Westinghouse Non-Proprietary Class 3 Rev. 3 WNA-SD-00250-WBT-NP, Rev.

WNA-SD-00250-WBT-NP, 3 5-97 Westinghouse Non-Proprietary Class 3

Nuclear Automation Software Design Description for the Post Watts Bar Unit 2 NSSS Completion Program I&C Projects Accident Monitoring System AC160 Software a,c

-4 4-a,c WNA-SD-00250-WBT-NP, Rev. 3 5-98 Westinghouse Non-Proprietary Class 3

Nuclear Automation Software Design Description for the Post Watts Bar Unit 2 NSSS Completion Program I&C Projects Accident Monitoring System AC160 Software a,c 7

a,.c WNA-SD-00250-WBT-NP, Rev. 3 5-99 Westinghouse Non-Proprietary Class 3

Nuclear Automation Software Design Description for the Post Watts Bar Unit 2 NSSS Completion Program I&C Projects Accident Monitorin2 System AC160 Software L a,c

-4 4 4 a,c

-4 + 4 WNA-SD-00250-WBT-NP, Rev. 3 5-100 Westinghouse Non-Proprietary Class 3

Nuclear Automation Software Design Description for the Post Watts Bar Unit 2 NSSS Completion Program I&C Projects Accident Monitoring System AC160 Software a,c

-+ 4 a,c

-4 4 4 t

-+ I 4

~1~ t

-I- I 4 WNA-SD-00250-WBT-NP, Rev. 3 5-101 Westinghouse Non-Proprietary Class 3

Nuclear Automation Software Design Description for the Post Watts Bar Unit 2 NSSS Completion Program I&C Projects Accident Monitoring System AC160 Software a,c

-+ I 1-I I I a,c WNA-SD-00250-WBT-NP, Rev. 3 5-102 Westinghouse Non-Proprietary Class 3

Nuclear Automation Software Design Description for the Post Watts Bar Unit 2 NSSS Completion Program I&C Projects Accident Monitoring System AC160 Software a,c a,c a,c 5-103 Westinghouse Non-Proprietary Class 3 Rev. 3 WNA-SD-00250-WBT-NP, Rev.

WNA-SD-00250-WBT-NP, 3 5-103 Westinghouse Non-Proprietary Class 3

Nuclear Automation Software Design Description for the Post Watts Bar Unit 2 NSSS Completion Program I&C Projects Accident Monitoring System AC160 Software a,c

-4 4 4 a,c 3 5-104 Westinghouse Non-Proprietary Class 3 WNA-SD-00250-WBT-NP, Rev.

WNA-SD-00250-WBT-NP, Rev. 3 5-104 Westinghouse Non-Proprietary Class 3

Nuclear Automation Software Design Description for the Post Watts Bar Unit 2 NSSS Completion Program I&C Projects Accident Monitoring System ACI60 Software a,c

-~ 4- +

-i + +

-t 1-Ia-c 5-105 Westinghouse Non-Proprietary Class 3 Rev. 3 WNA-SD-00250-WBT-NP, Rev.

WNA-SD-00250-WBT-NP, 3 5-105 Westinghouse Non-Proprietary Class 3

Nuclear Automation Software Design Description for the Post Watts Bar Unit 2 NSSS Completion Program I&C Projects Accident Monitoring System AC160 Software a,c I

a,c WNA-SD-00250-WBT-NP, Rev. 3 5-106 Westinghouse Non-Proprietary Class 3

Nuclear Automation Software Design Description for the Post Watts Bar Unit 2 NSSS Completion Program I&C Projects Accident Monitoring System AC160 Software a,c a,x WNA-SD-00250-WBT-NP, Rev. 3 5-107 Westinghouse Non-Proprietary Class 3

Nuclear Automation Software Design Description for the Post Watts Bar Unit 2 NSSS Completion Program I&C Projects Accident Monitoring System ACI60 Software a,c

-4 4 4 a,c a,c a,c I I]

I I I WNA-SD-00250-WBT-NP, Rev. 3 5-108 Westinghouse Non-Proprietary Class 3

Nuclear Automation Software Design Description for the Post Watts Bar Unit 2 NSSS Completion Program I&C Projects Accident Monitoring System AC160 Software a,c

-4 + *1-a,c 4- 4 WNA-SD-00250-WBT-NP, Rev. 3 5-109 Westinghouse Non-Proprietary Class 3

Nuclear Automation Software Design Description for the Post Watts Bar Unit 2 NSSS Completion Program I&C Projects Accident Monitoring System AC160 Software a,c

-4 4.

-t

-4 + 4

-4 + 4 a,c WNA-SD-00250-WBT-NP, Rev. 3 5-110 Westinghouse Non-Proprietary Class 3

Nuclear Automation Software Design Description for the Post Watts Bar Unit 2 NSSS Completion Program I&C Projects Accident Monitoring System ACI60 Software a,c a,c

-r

-~ 4 4 t +

5.2.8.7 DSP Names: MTPANASELI, MTPIANASEL1, MTP ANASEL2, MTPIANASEL2 I

Ia,c 5-111 Westinghouse Non-Proprietary Class 3 WNA-SD-00250-WBT-NP, Rev. 3 WNA-SD-00250-WBT-NP, Rev. 3 5-111 Westinghouse Non-Proprietary Class 3

Nuclear Automation Software Design Description for the Post Watts Bar Unit 2 NSSS Completion Program I&C Projects Accident Monitoring System AC160 Software 3 5-112 Westinghouse Non-Proprietary Class 3 WNA-SD-00250-WBT-NP, Rev.

WNA-SD-00250-WBT-NP, Rev. 3 5-112 Westinghouse Non-Proprietary Class 3

Nuclear Automation Software Design Description for the Post Watts Bar Unit 2 NSSS Completion Program I&C Projects Accident Monitoring System AC160 Software a,c 1-

1*

4

+

1-

+

1-

-I-4-

1-1*

+

1-

+

1-WNA-SD-00250-WBT-NP, Rev. 3 5-113 Westinghouse Non-Proprietary Class 3

Nuclear Automation Software Design Description for the Post Watts Bar Unit 2 NSSS Completion Program I&C Projects Accident Monitoring System AC160 Software a,c a,c

-I t +

3 5-114 Westinghouse Non-Proprietary Class 3 WNA-SD-00250-WBT-NP, Rev.

WNA-SD-00250-WBT-NP, Rev. 3 5-114 Westinghouse Non-Proprietary Class 3

Nuclear Automation Software Design Description for the Post Watts Bar Unit 2 NSSS Completion Program I&C Projects Accident Monitoring System AC160 Software a,c

-4 4 +

-4 4 4.

-4 4 +

-4 i +

5.2.8.8 DSP Names: MTPAOTEST, OM_ AOTEST

[

]ac a,c 5.2.8.9 DSP Names: MTPACI CRCS, OMACICRCS, MTPAC2_CRCS, MTPAC3_CRCS, MTP_AC4_CRCS II

]ac 3 5-115 Westinghouse Non-Proprietary Class 3 WNA-SD-00250-WBT-NP, Rev.

WNA-SD-00250-WBT-NP, Rev. 3 5-115 Westinghouse Non-Proprietary Class 3

Nuclear Automation Software Design Description for the Post Watts Bar Unit 2 NSSS Completion Program I&C Projects Accident Monitorin2 System AC160 Software a,c I ]a,c a,c

-* 4 4

-t I "I-

-t 4

-t 4 +

-t t *1-

-t *1-m

[

II ax WNA-SD-00250-WBT-NP, Rev. 3 5-116 Westinghouse Non-Proprietary Class 3

Nuclear Automation Software Design Description for the Post Watts Bar Unit 2 NSSS Completion Program I&C Projects Accident Monitoring System AC160 Software I ]a,c WNA-SD-00250-WBT-NP, Rev. 3 5-117 Westinghouse Non-Proprietary Class 3

Nuclear Automation Software Design Description for the Post Watts Bar Unit 2 NSSS Completion Program I&C Projects Accident Monitoring System ACI60 Software 5.2.8.10 MDATs MDATs are not utilized in the Watts Bar 2 PAMS.

5.2.8.11 HSLs HSLs are not utilized in the Watts Bar 2 PAMS.

5.3 PC SECTION DESCRIPTION The PAMS processor performs the functions described in Section 2.3 of this document. The main signal flow path for the PAMS processor is shown in Figure 2-1.

5.3.1 General PC Section Program Structure For structuring and execution control, the program consists of a Program Header (PCPGM), [ ]c Control Module Headers (CONTRMs), and Function Modules (FUNCMs). The CONTRM is used for execution control within the program. The FUJNCM has no effect on the execution, but is used to improve the structure of the program.

5.3.2 Program Structure PC Elements 5.3.2.1 PCPGM The PAMS processor application programs starts with the PCPGM PC element. [

]ac 5.3.2.2 CONTRM

[

]a~c 5.3.2.3 FUNCM In the PAMS application software, FUNCMs are used to improve the structure of the PC program. The FUNCM elements do not affect the execution.

WNA-SD-00250-WBT-NP, Rev. 3 5-118 Westinghouse Non-Proprietary Class 3

Nuclear Automation Software Design Description for the Post Watts Bar Unit 2 NSSS Completion Program I&C Projects Accident Monitoring System AC160 Software 5.3.3 Program Structure 5.3.3.1 Application Program Structure The PAMS processor's application program structure requirements are documented in Section 5 of WNA-SD-00239-WBT-P, "Watts Bar 2 NSSS Completion Program I&C Projects Software Requirements Specification for the Post Accident Monitoring System" (Reference 7).

The tree representation of the overall program structure is presented in Figure 5-1. The FUNCMs depicted are top-level and will be further subdivided into functionally associated parts.

WNA-SD-00250-WBT-NP, Rev. 3 5-119 Westinghouse Non-Proprietary Class 3

Nuclear Automation Software Design Description for the Post Watts Bar Unit 2 NSSS Completion Program I&C Projects Accident Monitoring System AC160 Software a,c Figure 5-1. PAMS Program Tree Structure 5.3.3.2 Module Timing Constraints The PAMS processor timing constraints are identified in Section 7.1.6 of WNA-SD-00239-WBT-P, "Watts Bar 2 NSSS Completion Program I&C Projects Software Requirements Specification for the Post Accident Monitoring System" (Reference 7).

WNA-SD-00250-WBT-NP, Rev. 3 5-120 Westinghouse Non-Proprietary Class 3

Nuclear Automation Software Design Description for the Post Watts Bar Unit 2 NSSS Completion Program I&C Projects Accident Monitoring System AC160 Software 5.4 WATTS BAR 2 PAMS 5.4.1 Online Diagnostics FUNCM 5.4.1.1 Online Diagnostics Implementation Type An AC 160 function module (FUNCM).

Purpose This function module performs startup, supervision, and diagnostics for PAMS.

Function PAMS diagnostics logic monitors the AC160 system to determine failures in accordance with Section 5 of WNA-SD-00239-WBT-P, "Watts Bar 2 NSSS Completion Program I&C Projects Software Requirements Specification for the Post Accident Monitoring System" (Reference 7). PAMS supervisory logic is described on a higher level in Section 5.3 of WNA-SD-00239-WBT-P, "Watts Bar 2 NSSS Completion Program I&C Projects Software Requirements Specification for the Post Accident Monitoring System" (Reference 7).

This FUJNCM will utilize the

" PM_DIAG type circuit (TC) - see WNA-DS-01715-GEN, "Standard Reusable Software Element Document for PM Diagnostics Type Circuit" (Reference 12).

" REFLASH type circuit (TC) - see WNA-DS-01505-GEN, "Standard Reusable Software Element Document for REFLASH Type Circuit" (Reference 26).

This module will perform the following functions:

Supervisory diagnostics - utilizing the PMDIAG type circuit, see subsection 5.4.1.1.1 I ]a.c Trouble Annunciation - alarm generation ]a,, see subsection 5.4.1.1.6.

Subordinates The Online Diagnostics algorithm module consists of PC elements to perform

]ac the aforementioned functions. [

Dependencies The Online Diagnostics module has no dependencies.

Rev. 33 5-121 Westinghouse Non-Proprietary Class 3 WNA-SD-00250-WBT-NP, WNA-SD-00250-WBT-NP, Rev. 5-121 Westinghouse Non-Proprietary Class 3

Nuclear Automation Software Design Description for the Post Watts Bar Unit 2 NSSS Completion Program I&C Projects Accident Monitoring System AC160 Software Interface The interface for this module is to the database input channels (Section 5.2) and to the dataset elements (Section 5.2).

Resources No other external services are directly called by the source code.

Processing The diagnostic processing will be done in different sections and the descriptions follow.

5.4.1.1.1 PM Diagnostics Processor-Specific Supervision Implementation The PMDIAG TC is defined in WNA-DS-01715-GEN, "Standard Reusable Software Element Document for PM Diagnostics Type Circuit" (Reference 12).

The following logic diagram is from WNA-DS-01715-GEN, "Standard Reusable Software Element Document for PM Diagnostics Type Circuit" (Reference 12).

5-122 Westinghouse Non-Proprietary Class 3 WNA-SD-00250-WBT-NP, Rev.

WNA-SD-00250-WBT-NP, Rev. 3 3 5-122 Westinghouse Non-Proprietary Class 3

Nuclear Automation Software Design Description for the Post Watts Bar Unit 2 NSSS Completion Program I&C Projects Accident Monitoring System AC160 Software a,c Figure 5-2. PMDIAG Logic WNA-SD-00250-WBT-NP, Rev. 3 5-123 Westinghouse Non-Proprietary Class 3

Nuclear Automation Software Design Description for the Post Watts Bar Unit 2 NSSS Completion Program I&C Projects Accident Monitoring System ACI60 Software The input terminal names for the PMDIAG TC are listed in Table 5.4-1.

Table 5.4-1. PMDIAG Input Signals a,c WNA-SD-00250-WBT-NP, Rev. 3 5-124 Westinghouse Non-Proprietary Class 3

Nuclear Automation Software Design Description for the Post Watts Bar Unit 2 NSSS Completion Program I&C Projects Accident Monitoring System ACI60 Software Table 5.4-1. PMDIAG Input Signals (cont.)

The connections to the terminals for the Watts Bar 2 PAMS application are as follows:

[

]a,c 5-125 Westinghouse Non-Proprietary Class 3 WNA-SD-00250-WBT-NP, Rev.

WNA-SD-00250-WBT-NP, Rev. 3 3 5-125 Westinghouse Non-Proprietary Class 3

Nuclear Automation Software Design Description for the Post Watts Bar Unit 2 NSSS Completion Program I&C Projects Accident Monitoring System AC160 Software I

]ac 5-126 Westinghouse Non-Proprietary Class 3 Rev. 3 WNA-SD-00250-WBT-NP, Rev.

WNA-SD-00250-WBT-NP, 3 5-126 Westinghouse Non-Proprietary Class 3

Nuclear Automation Software Design Description for the Post Watts Bar Unit 2 NSSS Completion Program I&C Projects Accident Monitoring System AC160 Software Table 5.4-2. PMDIAG AFI00 Outputs ac Ic 4 4 4 A 4 4 I I 4 4 4 4

________________________________I __________________________ ____I _______________

4 *1 4 4 4 4 WNA-SD-00250-WBT-NP, Rev. 3 5-127 Westinghouse Non-Proprietary Class 3

Nuclear Automation Software Design Description for the Post Watts Bar Unit 2 NSSS Completion Program I&C Projects Accident Monitoring System AC160 Software Table 5.4-2. PMDIAG AFI00 Outputs (cont.)

5.4.1.1.2 Heartbeats I___ I __

The AC 160 heartbeat generation will be implemented using the standard element SYSTIME

]ac The OM and MTP heartbeat checks will be implemented as depicted in Figure 5-3.

a,c Figure 5-3. FPD Heartbeat Check Rationale: R5.3.22-2, R5.3.22-3, R7.1.3.3-3, and R7.2.36 of WNA-SD-00239-WBT-P, "Watts Bar 2 NSSS Completion Program I&C Projects Software Requirements Specification for the Post Accident Monitoring System" (Reference 7).

5.4.1.1.3 Watchdog Timer This logic will be programmed using standard PC elements.

II

]a,c 5-128 Westinghouse Non-Proprietary Class 3 WNA-SD-00250-WBT-NP, Rev.

WNA-SD-00250-WBT-NP, Rev. 33 5-128 Westinghouse Non-Proprietary Class 3

Nuclear Automation Software Design Description for the Post Watts Bar Unit 2 NSSS Completion Program I&C Projects Accident Monitoring System AC160 Software a,c K Figure 5-4. Watchdog Timer Logic 5.4.1.1.4 Station Status Ii

]3,c a,c Figure 5-5. Station Status Example Rationale: R5.3-5 of WNA-SD-00239-WBT-P, "Watts Bar 2 NSSS Completion Program I&C Projects Software Requirements Specification for the Post Accident Monitoring System" (Reference 7).

5.4.1.1.5 AFI00 Fiber Error Detection

]ac Rev. 33 5-129 Westinghouse Non-Proprietary Class 3 WNA-SD-00250-WBT-NP, WNA-SD-00250-WBT-NP, Rev. 5-129 Westinghouse Non-Proprietary Class 3

Nuclear Automation Software Design Description for the Post Watts Bar Unit 2 NSSS Completion Program I&C Projects Accident Monitoring System AC160 Software a,c Figure 5-6. AF100 Error Detection II ac 5.4.1.1.6 Digital Alarm Outputs Various alarms are generated [ ]a,,. All of these are sent to the OM and MTP for display. A few are sent to digital outputs for annunciation in the control room. Subsection 4.3.2 of WNA-DS-01617-WBT-P, "Watts Bar 2 NSSS Completion Program I&C Projects Post Accident Monitoring System-System Requirements Specifications" (Reference 11) defines the following annunciator alarms to be sent to the digital outputs for the single channel:

[

]a,c WNA-SD-00250-WBT-NP, Rev. 3 5-130 Westinghouse Non-Proprietary Class 3

Nuclear Automation Software Design Description for the Post Wafts Bar Unit 2 NSSS Completion Program I&C Projects Accident Monitoring System AC160 Software 5.4.1.1.7 Low RCS Subcooled Margin Alarm

]ac a,c Figure 5-7. RCS SM Alarm Rationale: R7.1.5.2-2 of WNA-SD-00239-WBT-P, "Watts Bar 2 NSSS Completion Program I&C Projects Software Requirements Specification for the Post Accident Monitoring System" (Reference 7.)

5.4.1.1.8 Low Reactor Level Alarm

]a"C The conditions for the alarm are given in R2.5.3.4.17-4 through R2.5.3.4.17-8 of WNA-DS-0 1617-WBT-P, "Watts Bar 2 NSSS Completion Program I&C Projects Post Accident Monitoring System-System Requirements Specifications" (Reference 11).

]a,c Rationale: R7.1.4.3-43 and R7.1.4.6-3 of WNA-SD-00239-WBT-P, "Watts Bar 2 NSSS Completion Program I&C Projects Software Requirements Specification for the Post Accident Monitoring System" (Reference 7).

5.4.1.1.9 Low CET Saturation Margin or High Representative CET Temperature Alarm I

Ia,c WNA-SD-00250-WBT-NP, Rev. 3 5-131 Westinghouse Non-Proprietary Class 3

Nuclear Automation Software Design Description for the Post Watts Bar Unit 2 NSSS Completion Program I&C Projects Accident Monitoring System ACI60 Software a,c Figure 5-8. Alarm Generation Rationale: R7.1.4.6-3 of WNA-SD-00239-WBT-P, "RRAS Watts Bar 2 NSSS Completion Program I&C Projects Software Requirements Specification for the Post Accident Monitoring System" (Reference 7.)

5.4.1.1.10 ICCAlarm ac ac K Figure 5-9. ICC Alarm Rationale: R7.1.4.6-2 of WNA-SD-00239-WBT-P, "RRAS Watts Bar 2 NSSS Completion Program I&C Projects Software Requirements Specification for the Post Accident Monitoring System" (Reference 7).

5-132 Westinghouse Non-Proprietary Class 3 WNA-SD-00250-WBT-NP, Rev.

WNA-SD-00250-WBT-NP, Rev. 33 5-132 Westinghouse Non-Proprietary Class 3

Nuclear Automation Software Design Description for the Post Watts Bar Unit 2 NSSS Completion Program I&C Projects Accident Monitoring System AC160 Software 5.4.1.1.11 System Trouble Alarm The logic for the System Trouble Alarm is shown in Figure 5-10. [

]a,c The System Trouble conditions are listed in Table 5.4-3.

Table 5.4-3. System Trouble Annunciator Alarm Conditions a,c WNA-SD-00250-WBT-NP, Rev. 3 5-133 Westinghouse Non-Proprietary Class 3

Nuclear Automation Software Design Description for the Post Watts Bar Unit 2 NSSS Completion Program I&C Projects Accident Monitoring System ACI60 Software a,c Figure 5-10. Trouble Alarm Logic Rationale: Satisfies R7.1.4.6-1, R7.1.4.6-3 and R7.1.5.2-6 of WNA-SD-00239-WBT-P, "Watts Bar 2 NSSS Completion Program I&C Projects Software Requirements Specification for the Post Accident Monitoring System" (Reference 7).

5.4.1.1.12 Annunciator Re-flash An active annunciator will re-flash if a new alarm condition occurs.

]a,c 3 5-134 Westinghouse Non-Proprietary Class 3 WNA-SD-00250-WBT-NP, Rev.

WNA-SD-00250-WBT-NP, Rev. 3 5-134 Westinghouse Non-Proprietary Class 3

Nuclear Automation Software Design Description for the Post Watts Bar Unit 2 NSSS Completion Program I&C Projects Accident Monitoring System AC160 Software a,c Figure 5-11. Annunciator Re-flash Rationale: R7.1.4.6-4, R7.1.4.6-5, and R7.1.4.6-6 of WNA-SD-00239-WBT-P, "RRAS Watts Bar 2 NSSS Completion Program I&C Projects Software Requirements Specification for the Post Accident Monitoring System" (Reference 7).

5.4.2 INPUT PROCESSING FUNCM 5.4.2.1 Input Processing Implementation Type An AC 160 function module (FUNCM).

Purpose This function module inputs and processes the analog signals to PAMS.

Function As described in WNA-SD-00239-WBT-P, "RRAS Watts Bar 2 NSSS Completion Program I&C Projects Software Requirements Specification for the Post Accident Monitoring System" (Reference 7), this module will perform the following functions:

WNA-SD-00250-WBT-NP, Rev. 3 5-135 Westinghouse Non-Proprietary Class 3

Nuclear Automation Software Design Description for the Post Watts Bar Unit 2 NSSS Completion Program I&C Projects Accident Monitoring System ACI60 Software

1. Read input signals from S600 1/0 modules [ ]a,c

2. Convert input signals to engineering units

3. Determine signal quality from 1/0 status [ ]a,c

4. Provide signal values in engineering units to other PAMS functions and to the OM and MTP over the AF100 bus

]ac Subordinates

]a,c Dependencies

]a~c Interface The interface for this module is to the database input channels (Section 5.2), to the dataset elements (Section 5.2), and to the PAMS algorithms input terminals.

Resources No other external services are directly called by the source code.

Data

[

]a~c WNA-SD-00250-WBT-NP, Rev. 3 5-136 Westinghouse Non-Proprietary Class 3

Nuclear Automation Software Design Description for the Post Watts Bar Unit 2 NSSS Completion Program I&C Projects Accident Monitoring System AC160 Software Processing The diagnostic processing will be done in different sections and the descriptions follow.

5.4.2.2 Redundant Analog Inputs The algorithm for handling failover for the redundant analog inputs is shown in the following figure.

[I ]ac Figure 5-12. Sample of Redundant Input Failover Rationale: R7.1.4.1-8, R7.1.4.1-9, and R7.1.4.l-10 of WNA-SD-00239-WBT-P, "Watts Bar 2 NSSS Completion Program I&C Projects Software Requirements Specification for the Post Accident Monitoring System" (Reference 7).

5.4.2.3 Engineering Units Conversion The algorithm used for converting analog inputs to engineering units is shown in Figure 5-13. [

axc WNA-SD-00250-WBT-NP, Rev. 3 5-137 Westinghouse Non-Proprietary Class 3

Nuclear Automation Software Design Description for the Post Watts Bar Unit 2 NSSS Completion Program I&C Projects Accident Monitoring System AC160 Software a,.c Figure 5-13. Sample of Input Processing Implementation

[

pac Figure 5-14. RCS Inputs to CET Monitoring and SM Test Switch 5.4.2.4 Differential Pressure Processing I

]aoc 5-138 Westinghouse Non-Proprietary Class 3 WNA-SD-00250-WBT-NP, Rev.

WNA-SD-00250-WBT-NP, Rev. 3 3 5-138 Westinghouse Non-Proprietary Class 3

Nuclear Automation Software Design Description for the Post Watts Bar Unit 2 NSSS Completion Program I&C Projects Accident Monitoring System ACI60 Software a,c Figure 5-15. Differential Pressure Processing Rationale: Satisfies R7.1.4.3 8 and R7.1.4.3 47 of WNA-SD-00239-WBT-P, "Watts Bar 2 NSSS Completion Program I&C Projects Software Requirements Specification for the Post Accident Monitoring System" (Reference 7).

5.4.2.5 CET and RTD Substitution I

]a,c WNA-SD-00250-WBT-NP, Rev. 3 5-139 Westinghouse Non-Proprietary Class 3

Nuclear Automation Software Design Description for the Post Watts Bar Unit 2 NSSS Completion Program I&C Projects Accident Monitoring System AC160 Software a,c Figure 5-16. CET and RTD Substitution Rationale: Satisfies R7.1.4.2-4 and R7.1.4.3-52 of WNA-SD-00239-WBT-P, "Watts Bar 2 NSSS Completion Program I&C Projects Software Requirements Specification for the Post Accident Monitoring System" (Reference 7).

5.4.3 PAMS FUNCM 5.4.3.1 PAMS SMM Algorithm Implementation Type An AC 160 function module (FUNCM).

WNA-SD-00250-WBT-NP, Rev. 3 5-140 Westinghouse Non-Proprietary Class 3

Nuclear Automation Software Design Description for the Post Watts Bar Unit 2 NSSS Completion Program I&C Projects Accident Monitoring System AC160 Software Purpose This function module performs the SMM calculations, which include CET processing and the SM calculations.

Function As described in 00000-ICE-3238, "Common Q Software Requirements Specification Post Accident Monitoring System" (Reference 10), this FUNCM will perform the following functions:

1. CET Processing

2. SM Calculation Each of these functions is described in further detail in Section 6 of 00000-ICE-30152, "Common Q Software Design Description Post Accident Monitoring System AC 160 Station" (Reference 13).

Also included in this section are any PAMS functions accomplished using standard PC elements, such as alarm processing, analog output processing, and the test-enable function.

Subordinates I

axc Dependencies I ac Interface

[

]a,c Resources No other external services are directly called.

Processing

[

]a,c 5-14 1 Westinghouse Non-Proprietary Class 3 WNA-SD-00250-WBT-NP, Rev.

WNA-SD-00250-WBT-NP, Rev. 3 3 5-141 Westinghouse Non-Proprietary Class 3

Nuclear Automation Software Design Description for the Post Watts Bar Unit 2 NSSS Completion Program I&C Projects Accident Monitoring System ACI60 Software a,c Figure 5-17. PAMS Algorithms Interconnections 5-142 Westinghouse Non-Proprietary Class 3 WNA-SD-00250-WBT-NP, Rev. 33 WNA-SD-00250-WBT-NP, Rev. 5-142 Westinghouse Non-Proprietary Class 3

Nuclear Automation Software Design Description for the Post Watts Bar Unit 2 NSSS Completion Program I&C Projects Accident Monitoring System AC160 Software 5.4.3.2 CET_MON Implementation

]ac a,c Figure 5-18. CET_MON Element Terminals 5-143 Westinghouse Non-Proprietary Class 3 Rev. 3 WNA-SD-00250-WBT-NP, Rev.

WNA-SD-00250-WBT-NP, 3 5-143 Westinghouse Non-Proprietary Class 3

Nuclear Automation Software Design Description for the Post Watts Bar Unit 2 NSSS Completion Program I&C Projects Accident Monitoring System ACI60 Software Table 5.4-4. CETMON Input Signal Description a,c 4 4 4 4 4 .4 4 .1 4 .4 4 .4 4 .4 5-144 Westinghouse Non-Proprietary Class 3 WNA-SD-00250-WBT-NP, Rev.

WNA-SD-00250-WBT-NP, Rev. 3 3 5-144 Westinghouse Non-Proprietary Class 3

Nuclear Automation Software Design Description for the Post Watts Bar Unit 2 NSSS Completion Program I&C Projects Accident Monitoring System AC160 Software Table 5.4-4. CET_MON Input Signal Description (cont.) a,c

.t.

5-145 Westinghouse Non-Proprietary Class 3 WNA-SD-00250-WBT-NP, Rev.

WNA-SD-00250-WBT-NP, Rev. 3 3 5-145 Westinghouse Non-Proprietary Class 3

Nuclear Automation Software Design Description for the Post Watts Bar Unit 2 NSSS Completion Program I&C Projects Accident Monitoring System AC160 Software 1

Table 5.4-5. CETMON Input Signal Connections* )

ac_

3 5-146 Westinghouse Non-Proprietary Class 3 WNA-SD-00250-WBT-NP, Rev.

WNA-SD-00250-WBT-NP, Rev. 3 5-146 Westinghouse Non-Proprietary Class 3

Nuclear Automation Software Design Description for the Post Watts Bar Unit 2 NSSS Completion Program I&C Projects Accident Monitoring System AC160 Software Table 5.4-5. CET_MON Input Signal Connections"l) (cont.)

a,c

[

WNA-SD-00250-WBT-NP, Rev. 3 5-147 Westinghouse Non-Proprietary Class 3

Nuclear Automation Software Design Description for the Post Watts Bar Unit 2 NSSS Completion Program I&C Projects Accident Monitoring System AC160 Software II

]a,c WNA-SD-00250-WBT-NP, Rev. 3 5-148 Westinghouse Non-Proprietary Class 3

Nuclear Automation Software Design Description for the Post Watts Bar Unit 2 NSSS Completion Program I&C Projects Accident Monitoring System AC160 Software II Ia,c Table 5.4-6. CETMON Outputs a,c 4 4 4 4 WNA-SD-00250-WBT-NP, Rev. 3 5-149 Westinghouse Non-Proprietary Class 3

Nuclear Automation Software Design Description for the Post Watts Bar Unit 2 NSSS Completion Program I&C Projects Accident Monitoring System AC160 Software Table 5.4-6. CETMON Outputs (cont.)

5-150 Westinghouse Non-Proprietary Class 3 WNA-SD-00250-WBT-NP, Rev. 33 WNA-SD-00250-WBT-NP, Rev. 5-150 Westinghouse Non-Proprietary Class 3

Nuclear Automation Software Design Description for the Post Wafts Bar Unit 2 NSSS Completion Program I&C Projects Accident Monitoring System AC160 Software 5.4.3.2.1 CETMON Initialization

]a~c a,c Figure 5-19. CETMON Initialization 5.4.3.3 SMMON Implementation The Watts Bar 2 SMMON software is defined in 00000-ICE-30152, "Common Q Software Design Description Post Accident Monitoring System AC 160 Station" (Reference 13). This section identifies the differences between the generic PAMS AC160 SMM software and the Watts Bar 2 PAMS implementation.

5-151 Westinghouse Non-Proprietary Class 3 WNA-SD-00250-WBT-NP, Rev.

WNA-SD-00250-WBT-NP, Rev. 3 3 5-151 Westinghouse Non-Proprietary Class 3

Nuclear Automation Software Design Description for the Post Watts Bar Unit 2 NSSS Completion Program I&C Projects Accident Monitoring System AC160 Software a,c Figure 5-20. Example of SMMON Element Terminals II ]ac Table 5.4-7. SMMON Input Signals a,c I

Rev. 33 5-152 Westinghouse Non-Proprietary Class 3 WNA-SD-00250-WBT-NP, Rev.

WNA-SD-00250-WBT-NP, 5-152 Westinghouse Non-Proprietary Class 3

Nuclear Automation Software Design Description for the Post Watts Bar Unit 2 NSSS Completion Program I&C Projects Accident Monitoring System AC160 Software Table 5.4-7. SM_MON Input Signals (cont.)

a,c WNA-SD-00250-WBT-NP, Rev. 3 5-153 Westinghouse Non-Proprietary Class 3

Nuclear Automation Software Design Description for the Post Watts Bar Unit 2 NSSS Completion Program I&C Projects Accident Monitoring System AC160 Software Table 5.4-7. SM_MON Input Signals (cont.)

I axc WNA-SD-00250-WBT-NP, Rev. 3 5-154 Westinghouse Non-Proprietary Class 3

Nuclear Automation Software Design Description for the Post Watts Bar Unit 2 NSSS Completion Program I&C Projects Accident Monitoring System ACI60 Software II

]a,c WNA-SD-00250-WBT-NP, Rev. 3 5-155 Westinghouse Non-Proprietary Class 3

Nuclear Automation Software Design Description for the Post Watts Bar Unit 2 NSSS Completion Program I&C Projects Accident Monitoring System AC160 Software Table 5.4-8. SMMON Outputs a,c

]a,c WNA-SD-00250-WBT-NP, Rev. 3 5-156 Westinghouse Non-Proprietary Class 3

Nuclear Automation Software Design Description for the Post Watts Bar Unit 2 NSSS Completion Program I&C Projects Accident Monitoring System AC160 Software

[

]a,c WNA-SD-00250-WBT-NP, Rev. 3 5-157 Westinghouse Non-Proprietary Class 3

Nuclear Automation Software Design Description for the Post Watts Bar Unit 2 NSSS Completion Program I&C Projects Accident Monitorin2 System AC160 Software II

]ac Table 5.4-9. Bit Naming for SM STAT Bits Assignment 4-

+

1-

+

.1-t +

.1-

-I.

4-

+

i +

4-4-

t +

I.

WNA-SD-00250-WBT-NP, Rev. 3 5-158 Westinghouse Non-Proprietary Class 3

Nuclear Automation Software Design Description for the Post Watts Bar Unit 2 NSSS Completion Program I&C Projects Accident Monitoring System AC160 Software ac Table 5.4-10. Bit Naming for SWVSMM Bits Assignment a,c 5.4.3.3.1 Predefined Analog Outputs The predefined analog outputs per WNA-DS-01667-WBT-P, "RRAS Watts Bar 2 NSSS Completion Program I&C Projects Post Accident Monitoring System - System Design Specification" (Reference 6) are:

I

] a,c 5-159 Westinghouse Non-Proprietary Class 3 WNA-SD-00250-WBT-NP, Rev.

WNA-SD-00250-WBT-NP, Rev. 3 3 5-159 Westinghouse Non-Proprietary Class 3

Nuclear Automation Software Design Description for the Post Watts Bar Unit 2 NSSS Completion Program I&C Projects Accident Monitoring System AC160 Software

[

]ac Figure 5-21. Saturation Margin Outputs a,c K 2 Figure 5-22. Reactor Vessel Level Analog Output Rev. 33 5-160 Westinghouse Non-Proprietary Class 3 WNA-SD-00250-WBT-NP, WNA-SD-00250-WBT-NP, Rev. 5-160 Westinghouse Non-Proprietary Class 3

Nuclear Automation Software Design Description for the Post Watts Bar Unit 2 NSSS Completion Program I&C Projects Accident Monitoring System AC160 Software a,c Figure 5-23. TCREP Analog Output 5.4.3.3.2 Maximum and Second Maximum CET in a Quadrant

]a,c ac Figure 5-24. Quadrant Max CET Processing 5.4.4 RVLIS FUNCM Type An AC 160 function module (FUNCM).

3 5-161 Westinghouse Non-Proprietary Class 3 WNA-SD-00250-WBT-NP, Rev.

WNA-SD-00250-WBT-NP, Rev. 3 5-161 Westinghouse Non-Proprietary Class 3

Nuclear Automation Software Design Description for the Post Watts Bar Unit 2 NSSS Completion Program I&C Projects Accident Monitoring System AC160 Software Purpose I

]a,c Function As described in Section 7 of WNA-SD-00239-WBT-P, "Watts Bar 2 NSSS Completion Program I&C Projects Software Requirements Specification for the Post Accident Monitoring System" (Reference 7),

the following functions will be performed by this FUNCM:

[

]a~c Each of these functions is described in further detail in subsections 5.4.4.2 and 5.4.4.3.

Subordinates I

]a,c Dependencies The PAMS algorithm module depends on the input processing function for converted input signals.

Interface The interface for this module is to various DATs, AOs (subsections 5.4.3.3.1 and 5.4.5.5), and DOs via annunciator testing (subsection 2.3.4).

Resources No other external services are directly called.

Processing

[i

]a8c 5-162 Westinghouse Non-Proprietary Class 3 WNA-SD-00250-WBT-NP, Rev.

WNA-SD-00250-WBT-NP, Rev. 3 3 5-162 Westinghouse Non-Proprietary Class 3

Nuclear Automation Software Design Description for the Post Watts Bar Unit 2 NSSS Completion Program I&C Projects Accident Monitoring System AC160 Software 5.4.4.1 RVLIS Input/Output Overview Table 5.4-11. RVLIS Input Signals 5-163 Westinghouse Non-Proprietary Class 3 Rev. 3 WNA-SD-00250-WBT-NP, Rev.

WNA-SD-00250-WBT-NP, 3 5-163 Westinghouse Non-Proprietary Class 3

Nuclear Automation Software Design Description for the Post Watts Bar Unit 2 NSSS Completion Program I&C Projects Accident Monitoring System AC160 Software Table 5.4-11. RVLIS Input Signals (cont.)

WNA-SD-00250-WBT-NP, Rev. 3 5-164 Westinghouse Non-Proprietary Class 3

Nuclear Automation Software Design Description for the Post Watts Bar Unit 2 NSSS Completion Program I&C Projects Accident Monitoring System AC160 Software Table 5.4-11. RVLIS Input Signals (cont.)

a WNA-SD-00250-WBT-NP, Rev. 3 5-165 Westinghouse Non-Proprietary Class 3

Nuclear Automation Software Design Description for the Post Watts Bar Unit 2 NSSS Completion Program I&C Projects Accident Monitoring System AC160 Software Table 5.4-11. RVLIS Input Signals (cont.)

I I I I 4 I WNA-SD-00250-WBT-NP, Rev. 3 5-166 Westinghouse Non-Proprietary Class 3

Nuclear Automation Software Design Description for the Post Watts Bar Unit 2 NSSS Completion Program I&C Projects Accident Monitoring System AC160 Software Table 5.4-11. RVLIS Input Signals (cont.)

I

] ax WNA-SD-00250-WBT-NP, Rev. 3 5-167 Westinghouse Non-Proprietary Class 3

Nuclear Automation Software Design Description for the Post Watts Bar Unit 2 NSSS Completion Program I&C Projects Accident Monitoring System AC160 Software II

] ac 5-168 Westinghouse Non-Proprietary Class 3 Rev. 3 WNA-SD-00250-WBT-NP, Rev.

WNA-SD-00250-WBT-NP, 3 5-168 Westinghouse Non-Proprietary Class 3

Nuclear Automation Software Design Description for the Post Watts Bar Unit 2 NSSS Completion Program I&C Projects Accident Monitoring System AC160 Software

]ac WNA-SD-00250-WBT-NP, Rev. 3 5-169 Westinghouse Non-Proprietary Class 3

Nuclear Automation Software Design Description for the Post Watts Bar Unit 2 NSSS Completion Program I&C Projects Accident Monitoring System AC160 Software II

]aoc 5-170 Westinghouse Non-Proprietary Class 3 WNA-SD-00250-WBT-NP, Rev. 3 WNA-SD-00250-WBT-NP, Rev. 3 5-170 Westinghouse Non-Proprietary Class 3

Nuclear Automation Software Design Description for the Post Watts Bar Unit 2 NSSS Completion Program I&C Projects Accident Monitoring System AC160 Software

[

]aC 5-171 Westinghouse Non-Proprietary Class 3 Rev. 3 WNA-SD-00250-WBT-NP, Rev.

WNA-SD-00250-WBT-NP, 3 5-171 Westinghouse Non-Proprietary Class 3

Nuclear Automation Software Design Description for the Post Watts Bar Unit 2 NSSS Completion Program I&C Projects Accident Monitoring System ACI60 Software II

]ac WNA-SD-00250-WBT-NP, Rev. 3 5-172 Westinghouse Non-Proprietary Class 3

Nuclear Automation Software Design Description for the Post Watts Bar Unit 2 NSSS Completion Program I&C Projects Accident Monitoring System AC160 Software

[

]aoc Table 5.4-12. RVLIS DENSO4 Density Coefficients ac WNA-SD-00250-WBT-NP, Rev. 3 5-173 Westinghouse Non-Proprietary Class 3

Nuclear Automation Software Design Description for the Post Watts Bar Unit 2 NSSS Completion Program I&C Projects Accident Monitoring System AC160 Software Table 5.4-12. RVLIS DENSO4 Density Coefficients (cont.)

a,c

_ __ _ I ___ _ I ___

4-

1-

+

Table 5.4-13. Miscellaneous RVLIS Hardcoded Constants a,c 4-

1-4-

1-Rationale: Satisfies R7.1.4.3-2 of WNA-SD-00239-WBT-P, "Watts Bar 2 NSSS Completion Program I&C Projects Software Requirements Specification for the Post Accident Monitoring System" (Reference 7).

WNA-SD-00250-WBT-NP, Rev. 3 5-174 Westinghouse Non-Proprietary Class 3

Nuclear Automation Software Design Description for the Post Watts Bar Unit 2 NSSS Completion Program I&C Projects Accident Monitoring System AC160 Software Table 5.4-14. RVLIS Outputs ac 5-175 Westinghouse Non-Proprietary Class 3 Rev. 3 WNA-SD-00250-WBT-NP, Rev.

WNA-SD-00250-WBT-NP, 3 5-175 Westinghouse Non-Proprietary Class 3

Nuclear Automation Software Design Description for the Post Watts Bar Unit 2 NSSS Completion Program I&C Projects Accident Monitoring System AC160 Software Table 5.4-14. RVLIS Outputs (cont.)

a,c WNA-SD-00250-WBT-NP, Rev. 3 5-176 Westinghouse Non-Proprietary Class 3

Nuclear Automation Software Design Description for the Post Watts Bar Unit 2 NSSS Completion Program I&C Projects Accident Monitoring System ACI60 Software II

]ac 5-177 Westinghouse Non-Proprietary Class 3 Rev. 3 WNA-SD-00250-WBT-NP, Rev.

WNA-SD-00250-WBT-NP, 3 5-177 Westinghouse Non-Proprietary Class 3

Nuclear Automation Software Design Description for the Post Watts Bar Unit 2 NSSS Completion Program I&C Projects Accident Monitoring System AC160 Software I

]a,c WNA-SD-00250-WBT-NP, Rev. 3 5-178 Westinghouse Non-Proprietary Class 3

Nuclear Automation Software Design Description for the Post Watts Bar Unit 2 NSSS Completion Program I&C Projects Accident Monitoring System AC160 Software II

]a,c WNA-SD-00250-WBT-NP, Rev. 3 5-179 Westinghouse Non-Proprietary Class 3

Nuclear Automation Software Design Description for the Post Watts Bar Unit 2 NSSS Completion Program I&C Projects Accident Monitoring System AC160 Software II

]ac 5-180 Westinghouse Non-Proprietary Class 3 Rev. 3 WNA-SD-00250-WBT-NP, Rev.

WNA-SD-00250-WBT-NP, 3 5-180 Westinghouse Non-Proprietary Class 3

Nuclear Automation Software Design Description for the Post Watts Bar Unit 2 NSSS Completion Program I&C Projects Accident Monitoring System AC160 Software Table 5.4-15. RCP Statuses ac 3 5-181 Westinghouse Non-Proprietary Class 3 WNA-SD-00250-WBT-NP, Rev.

WNA-SD-00250-WBT-NP, Rev. 3 5-181 Westinghouse Non-Proprietary Class 3

Nuclear Automation Software Design Description for the Post Watts Bar Unit 2 NSSS Completion Program I&C Projects Accident Monitoring System AC160 Software 5.4.4.2 PAMS RVLIS Static Algorithm Implementation Figure 5-25. RVLIS Static Algorithm "A-SD-00250-WBT-NP, Rev. 3 5-182 Westinghouse Non-Proprietary Class 3

Nuclear Automation Software Design Description for the Post Watts Bar Unit 2 NSSS Completion Program I&C Projects Accident Monitoring System AC160 Software II

]a,c Rationale: Satisfies R7.1.4.3-1, R7.1.4.3-3, and R7.1.4.3-4 of WNA-SD-00239-WBT-P, "Watts Bar 2 NSSS Completion Program I&C Projects Software Requirements Specification for the Post Accident Monitoring System" (Reference 7).

5.4.4.2.1 RTD Density FUNCM ac Figure 5-26. RTD Density FUNCM II

]a.c WNA-SD-00250-WBT-NP, Rev. 3 5-183 Westinghouse Non-Proprietary Class 3

Nuclear Automation Software Design Description for the Post Watts Bar Unit 2 NSSS Completion Program I&C Projects Accident Monitoring System AC160 Software

]a,c Rationale: Satisfies R7.1.4.3-9, R7.1.4.3-10, R7.1.4.3-45, R7.1.4.3-46 and R7.1.4.3-52 of WNA-SD-00239-WBT-P, "Watts Bar 2 NSSS Completion Program I&C Projects Software Requirements Specification for the Post Accident Monitoring System" (Reference 7) and WNA-DS-01838-GEN, "Standard Reusable Software Element Document for Fourth-Order Polynomial Fluid Density Curve Fit Custom PC Element" (Reference 15).

5.4.4.2.2 Hot Leg Density FUNCM a,c Figure 5-27. Hot Leg Density FUNCM

[

Ia~c WNA-SD-00250-WBT-NP, Rev. 3 5-184 Westinghouse Non-Proprietary Class 3

Nuclear Automation Software Design Description for the Post Watts Bar Unit 2 NSSS Completion Program I&C Projects Accident Monitoring System AC160 Software II raC Rationale: Satisfies R7.1.4.3-10, R7.1.4.3-13, R7.1.4.3-14 and R7.1.4.3-15 of WNA-SD-00239-WBT-P, "Watts Bar 2 NSSS Completion Program I&C Projects Software Requirements Specification for the Post Accident Monitoring System" (Reference 7) and WNA-DS-O 1840-GEN, "Standard Reusable Software Element Document for 2-Input Maximum Comparison with Status Control Custom PC Element" (Reference 17).

5.4.4.2.3 RLDCORR FUNCM a,c Figure 5-28. RLDCORR FUNCM II pc WNA-SD-00250-WBT-NP, Rev. 3 5-185 Westinghouse Non-Proprietary Class 3

Nuclear Automation Software Design Description for the Post Watts Bar Unit 2 NSSS Completion Program I&C Projects Accident Monitorina System AC160 Software II

]ax Rationale: R7.1.4.3-11, R7.1.4.3-12 and R7.1.4.3-50 of WNA-SD-00239-WBT-P, "Watts Bar 2 NSSS Completion Program I&C Projects Software Requirements Specification for the Post Accident Monitoring System" (Reference 7) and WNA-DS-01839-GEN, "Standard Reusable Software Element Document for Summation of Reference Leg Density Corrections Custom PC Element" (Reference 16).

5.4.4.2.4 MAX/NHN Vessel Density FUNCM a,c Figure 5-29. MAX/MIN Vessel Density FUNCM

[

a,c Rationale: R7.1.4.3-13 and R7.1.4.3-14 of WNA-SD-00239-WBT-P, "Watts Bar 2 NSSS Completion Program I&C Projects Software Requirements Specification for the Post Accident Monitoring System" (Reference 7) and WNA-DS-01841 -GEN, "Standard Reusable Software Element Document for 2-Input Minimum Comparison with Status Control Custom PC Element" (Reference 18).

WNA-SD-00250-WBT-NP, Rev. 3 5-186 Westinghouse Non-Proprietary Class 3

Nuclear Automation Software Design Description for the Post Watts Bar Unit 2 NSSS Completion Program I&C Projects Accident Monitoring System AC160 Software 5.4.4.2.5 Static Outrange FUNCM a,c Figure 5-30. Static Outrange FUNCM

[

ac Table 5.4-16. Hydraulic Isolation Contacts STATIC Outrange Failure States a,c Rationale: R7.1.4.3-20 in WNA-SD-00239-WBT-P, "RRAS Watts Bar 2 NSSS Completion Program I&C Projects Software Requirements Specification for the Post Accident Monitoring System" (Reference 7).

3 5-187 Westinghouse Non-Proprietary Class 3 WNA-SD-00250-WBT-NP, Rev.

WNA-SD-00250-WBT-NP, Rev. 3 5-187 Westinghouse Non-Proprietary Class 3

Nuclear Automation Software Design Description for the Post Watts Bar Unit 2 NSSS Completion Program I&C Projects Accident Monitoring System AC160 Software 5.4.4.2.6 Upper Static FUNCM a,c Figure 5-31. Upper Static FUNCM

]a,c Rationale: Satisfies R7.1.4.3-16, R7.1.4.3-17, R7.1.4.3-20, R7.1.4.3-35, R7.1.4.3-36, and R7.1.4.3-40 of WNA-SD-00239-WBT-P, "Watts Bar 2 NSSS Completion Program I&C Projects Software Requirements Specification for the Post Accident Monitoring System" (Reference 7) and WNA-DS-01842-GEN, "Standard Reusable Software Element Document for RVLIS Static Level Calculation Custom PC Element" (Reference 19).

3 5-188 Westinghouse Non-Proprietary Class 3 WNA-SD-00250-WBT-NP, Rev.

WNA-SD-00250-WBT-NP, Rev. 3 5-188 Westinghouse Non-Proprietary Class 3

Nuclear Automation Software Design Description for the Post Watts Bar Unit 2 NSSS Completion Program I&C Projects Accident Monitoring System AC160 Software 5.4.4.2.7 Lower Static FUNCM a,c Figure 5-32. Lower Static FUNCM I

Rationale: Satisfies R7.1.4.3-16, R7.1.4.3-17, R7. 1.4.3-20, R7.1.4.3-35, R7.1.4.3-37, and R7.1.4.3-41 of WNA-SD-00239-WBT-P, "Watts Bar 2 NSSS Completion Program I&C Projects Software Requirements Specification for the Post Accident Monitoring System" (Reference 7) and WNA-DS-01842-GEN, "Standard Reusable Software Element Document for RVLIS Static Level Calculation Custom PC Element" (Reference 19).

WNA-SD-00250-WBT-NP, Rev. 3 5-189 Westinghouse Non-Proprietary Class 3

Nuclear Automation Software Design Description for the Post Watts Bar Unit 2 NSSS Completion Program I&C Projects Accident Monitoring System ACI60 Software 5.4.4.3 PAMS RVLIS Dynamic Algorithm Implementation a,c Figure 5-33. RVLIS Dynamic Algorithm WNA-SD-00250-WBT-NP, Rev. 3 5-190 Westinghouse Non-Proprietary Class 3

Nuclear Automation Software Design Description for the Post Watts Bar Unit 2 NSSS Completion Program I&C Projects Accident Monitoring System AC160 Software

[

] a,c Rationale: Satisfies R7.1.4.3-1 of WNA-SD-00239-WBT-P, "Watts Bar 2 NSSS Completion Program I&C Projects Software Requirements Specification for the Post Accident Monitoring System" (Reference 7).

5.4.4.3.1 Dynamic RLDCORR FUNCM a,c Figure 5-34. Dynamic RLDCORR FUNCM 5-19 1 Westinghouse Non-Proprietary Class 3 WNA-SD-00250-WBT-NP, Rev.

WNA-SD-00250-WBT-NP, Rev. 33 5-191 Westinghouse Non-Proprietary Class 3

Nuclear Automation Software Design Description for the Post Watts Bar Unit 2 NSSS Completion Program I&C Projects Accident Monitoring System AC160 Software II

] a,C Rationale: R7.1.4.3-11 and R7.1.4.3-12 of WNA-SD-00239-WBT-P, "Watts Bar 2 NSSS Completion Program I&C Projects Software Requirements Specification for the Post Accident Monitoring System" (Reference 7) and WNA-DS-0 1839-GEN, "Standard Reusable Software Element Document for Summation of Reference Leg Density Corrections Custom PC Element" (Reference 16).

5.4.4.3.2 DHCALC FUNCM ac 7_ I Figure 5-35. DHCALC FUNCM

[

]ac 5-192 Westinghouse Non-Proprietary Class 3 WNA-SD-00250-WBT-NP, Rev.

WNA-SD-00250-WBT-NP, Rev. 3 3 5-192 Westinghouse Non-Proprietary Class 3

Nuclear Automation Software Design Description for the Post Watts Bar Unit 2 NSSS Completion Program I&C Projects Accident Monitoring System AC160 Software Rationale: Satisfies R7.1.4.3-28, R7.1.4.3-29, R7.1.4.3-30, R7.1.4.3-31, and R7.1.4.3-32 of WNA-SD-00239-WBT-P, "Watts Bar 2 NSSS Completion Program I&C Projects Software Requirements Specification for the Post Accident Monitoring System" (Reference 7) and WNA-DS-01 845-GEN, "Standard Reusable Software Element Document for Dynamic Head Compensation Calculation Custom PC Element" (Reference 20).

5.4.4.3.3 PUMPSTAT FUNCM a,c Figure 5-36. PUMPSTAT FUNCM

[

]ac WNA-SD-00250-WBT-NP, Rev. 3 5-193 Westinghouse Non-Proprietary Class 3

Nuclear Automation Software Design Description for the Post Watts Bar Unit 2 NSSS Completion Program I&C Projects Accident Monitoring System AC160 Software

[

]a,c Rationale: Satisfies R7.1.4.3-6, R7.1.4.3-7, R7.1.4.3-21, R7.1.4.3-22, R7.1.4.3-23, R7.1.4.3-24, R7. 14.3-25, R7.1.4.3-26, and R7.1.4.3-27 of WNA-SD-00239-WBT-P, "Watts Bar 2 NSSS Completion Program I&C Projects Software Requirements Specification for the Post Accident Monitoring System" (Reference 7) and WNA-DS-1849-GEN, "Standard Reusable Software Element Document for the Reactor Coolant Pump Status Custom PC Element" (Reference 24).

WNA-SD-00250-WBT-NP, Rev. 3 5-194 Westinghouse Non-Proprietary Class 3

Nuclear Automation Software Design Description for the Post Watts Bar Unit 2 NSSS Completion Program I&C Projects Accident Monitoring System AC160 Software 5.4.4.3.4 VOIDFRAC/NDH FUNCM a,c Figure 5-37. VOIDFRAC/NDH FUNCM I

3 5-195 Westinghouse Non-Proprietary Class 3 WNA-SD-00250-WBT-NP, Rev.

WNA-SD-00250-WBT-NP, Rev. 3 5-195 Westinghouse Non-Proprietary Class 3

Nuclear Automation Software Design Description for the Post Watts Bar Unit 2 NSSS Completion Program I&C Projects Accident Monitoring System AC160 Software I

ac Rationale: Satisfies R7.1.4.3-33 and R7.1.4.3-34 of WNA-SD-00239-WBT-P, "Watts Bar 2 NSSS Completion Program I&C Projects Software Requirements Specification for the Post Accident Monitoring System" (Reference 7), WNA-DS-01846-GEN, "Standard Reusable Software Element Document for Normalized Dynamic Head Compensation Custom PC Element" (Reference 21), and WNA-DS-0 1847-GEN, "Standard Reusable Software Element Document for Void Fraction Custom PC Element" (Reference 22).

5.4.4.3.5 Scaling FUNCM a,c Figure 5-38. Scaling FUNCM

[

Ia,c 5-196 Westinghouse Non-Proprietary Class 3 WNA-SD-00250-WBT-NP, Rev.

WNA-SD-00250-WBT-NP, Rev. 3 3 5-196 Westinghouse Non-Proprietary Class 3

Nuclear Automation Software Design Description for the Post Watts Bar Unit 2 NSSS Completion Program I&C Projects Accident Monitoring System AC160 Software

[

]ac Rationale: Satisfies R7.1.4.3-38, R7.1.4.3-39, and R7.1.4.3-42 of WNA-SD-00239-WBT-P, "Watts Bar 2 NSSS Completion Program I&C Projects Software Requirements Specification for the Post Accident Monitoring System" (Reference 7).

5.4.4.3.6 Level and Alarm FUNCM a,c Figure 5-39. Level and Alarm FUNCM

[

]aoc 3 5-197 Westinghouse Non-Proprietary Class 3 WNA-SD-00250-WBT-NP, Rev.

WNA-SD-00250-WBT-NP, Rev. 3 5-197 Westinghouse Non-Proprietary Class 3

Nuclear Automation Software Design Description for the Post Watts Bar Unit 2 NSSS Completion Program I&C Projects Accident Monitoring System AC160 Software II

]a,c Rationale: Satisfies R7.1.4.3-5, R7.1.4.3-18, R7.1.4.3-19, R7.1.4.3-21, R7.1.4.3-22, R7.1.4.3-43, and R7.1.4.3-44 of WNA-SD-00239-WBT-P, "Watts Bar 2 NSSS Completion Program I&C Projects Software Requirements Specification for the Post Accident Monitoring System" (Reference 7), WNA-DS-0 1848-GEN, "Standard Reusable Software Element Document for Reactor Vessel Level Monitoring Custom PC Element" (References 23), and WNA-DS-02065-GEN, "Standard Reusable Software Element Document for Reactor Vessel Level Alarm Custom PC Element" (Reference 28).

5.4.5 MAINTENANCE FUNCM 5.4.5.1 Maintenance Algorithm Implementation Type An AC 160 function module (FUNCM).

Purpose This function module performs the surveillance tests and the user selection of the three analog outputs.

WNA-SD-00250-WBT-NP, Rev. 3 5-198 Westinghouse Non-Proprietary Class 3

Nuclear Automation Software Design Description for the Post Watts Bar Unit 2 NSSS Completion Program I&C Projects Accident Monitoring System AC160 Software Function As described in WNA-SD-00239-WBT-P, "Watts Bar 2 NSSS Completion Program I&C Projects Software Requirements Specification for the Post Accident Monitoring System" (Reference 7), this module will perform the following functions:

[

]a~c Subordinates None.

Dependencies The Maintenance module has no dependencies.

Interface The interface for this module is to the database input channels (Section 5.2) and to the dataset elements (Section 5.2).

Resources No other external services are directly called by the source code.

Processing The diagnostic processing will be done in different sections and the descriptions follow.

5.4.5.2 SMM Test I

]ac WNA-SD-00250-WBT-NP, Rev. 3 5-199 Westinghouse Non-Proprietary Class 3

Nuclear Automation Software Design Description for the Post Watts Bar Unit 2 NSSS Completion Program I&C Projects Accident Monitoring System AC160 Software a,c Figure 5-40. Test Inputs to SM Monitoring 5.4.5.3 Annunciator Test

]31C WNA-SD-00250-WBT-NP, Rev. 3 5-200 Westinghouse Non-Proprietary Class 3

Nuclear Automation Software Design Description for the Post Watts Bar Unit 2 NSSS Completion Program I&C Projects Accident Monitoring System AC160 Software a,c Figure 5-41. Annunciator Test Rationale: Satisfies R6.2-4 and R7.1.4.6-6 of WNA-SD-00239-WBT-P, "Watts Bar 2 NSSS Completion Program I&C Projects Software Requirements Specification for the Post Accident Monitoring System" (Reference 7); R4.3.2-7 of WNA-DS-01617-WBT-P, "Watts Bar 2 NSSS Completion Program I&C Projects Post Accident Monitoring System-System Requirements Specification" (Reference 11).

5.4.5.4 Analog Output Test II

]a,c 3 5-201 Westinghouse Non-Proprietary Class 3 WNA-SD-00250-WBT-NP, Rev.

WNA-SD-00250-WBT-NP, Rev. 3 5-201 Westinghouse Non-Proprietary Class 3

Nuclear Automation Software Design Description for the Post Watts Bar Unit 2 NSSS Completion Program I&C Projects Accident Monitoring System AC160 Software ac Figure 5-42. Analog Output Test Rationale: Satisfies R6.2-6, R6.2-7, and R6.2-8 and R7.2.26 of WNA-SD-00239-WBT-P, "Watts Bar 2 NSSS Completion Program I&C Projects Software Requirements Specification for the Post Accident Monitoring System" (Reference 7).

5.4.5.5 User-Selectable Analog Output

] a,c WNA-SD-00250-WBT-NP, Rev. 3 5-202 Westinghouse Non-Proprietary Class 3

Nuclear Automation Software Design Description for the Post Watts Bar Unit 2 NSSS Completion Program I&C Projects Accident Monitoring System AC160 Software II a.,c a,c Figure 5-43. Analog Output Selection Rationale: Satisfies R7.15.1-4 and R7.15.1-5 of WNA-SD-00239-WBT-P, "Watts Bar 2 NSSS Completion Program I&C Projects Software Requirements Specification for the Post Accident Monitoring System" (Reference 7).

WNA-SD-00250-WBT-NP, Rev. 3 5-203 Westinghouse Non-Proprietary Class 3

Nuclear Automation Software Design Description for the Post Watts Bar Unit 2 NSSS Completion Program I&C Projects Accident Monitoring System AC160 Software 5.4.6 Addressable Constants FUNCM 5.4.6.1 Addressable Constants Implementation Type An AC 160 function module (FUNCM).

Purpose I

]ac Function

[

]a,c Subordinates I

]a,c Dependencies The Addressable Constants module has no dependencies.

Interface The interface for this module is to the dataset elements (Section 5.2).

Resources No other external services are directly called by the source code.

Processing The processing will be done in different sections and the descriptions follow.

5-204 Westinghouse Non-Proprietary Class 3 WNA-SD-00250-WBT-NP, Rev.

WNA-SD-00250-WBT-NP, Rev. 33 5-204 Westinghouse Non-Proprietary Class 3

Nuclear Automation Software Design Description for the Post Watts Bar Unit 2 NSSS Completion Program I&C Projects Accident Monitoring System AC160 Software 5.4.6.1.1 Addressable Constants Verification Ia,c 5-205 Westinghouse Non-Proprietary Class 3 WNA-SD-00250-WBT-NP, Rev. 3 WNA-SD-00250-WBT-NP, Rev. 3 5-205 Westinghouse Non-Proprietary Class 3

Nuclear Automation Software Design Description for the Post Watts Bar Unit 2 NSSS Completion Program I&C Projects Accident Monitoring System AC160 Software a,c Figure 5-44. CALCRC Terminals WNA-SD-00250-WBT-NP, Rev. 3 5-206 Westinghouse Non-Proprietary Class 3

Nuclear Automation Software Design Description for the Post Watts Bar Unit 2 NSSS Completion Program I&C Projects Accident Monitoring System AC160 Software II

]a,c Table 5.4-17. CALCRC OM Input DSPs/DATs a,c Table 5.4-18. CALCRC MTP Input DSPs/DATs ac T

WN -D020W ,Rv - 2- etnhos o-roreayC ass...3 WNA-SD-00250-WBT-NP, Rev. 3 5-207 Westinghouse Non-Proprietary Class 3

Nuclear Automation Software Design Description for the Post Watts Bar Unit 2 NSSS Completion Program I&C Projects Accident Monitoring System AC160 Software Table 5.4-18. CALCRC MTP Input DSPs/DATs (cont.) a,c_

5-208 Westinghouse Non-Proprietary Class 3 WNA-SD-00250-WBT-NP, Rev.

WNA-SD-00250-WBT-NP, Rev. 3 3 5-208 Westinghouse Non-Proprietary Class 3

Nuclear Automation Software Design Description for the Post Watts Bar Unit 2 NSSS Completion Program I&C Projects Accident Monitoring System AC160 Software Table 5.4-18. CALCRC MTP Input DSPs/DATs (cont.) a,c WNA-SD-00250-WBT-NP, Rev. 3 5-209 Westinghouse Non-Proprietary Class 3

Nuclear Automation Software Design Description for the Post Watts Bar Unit 2 NSSS Completion Program I&C Projects Accident Monitoring System AC160 Software Table 5.4-18. CALCRC MTP Input DSPs/DATs (cont.) a,c.

[

]ac 5-2 10 Westinghouse Non-Proprietary Class 3 Rev. 3 WNA-SD-00250-WBT-NP, Rev.

WNA-SD-00250-WBT-NP, 3 5-210 Westinghouse Non-Proprietary Class 3

Nuclear Automation Software Design Description for the Post Watts Bar Unit 2 NSSS Completion Program I&C Projects Accident Monitoring System AC160 Software Table 5.4-19. CALCRC MTP Output DSPs/DATs ac 5-211 Westinghouse Non-Proprietary Class 3 WNA-SD-00250-WBT-NP, Rev.

WNA-SD-00250-WBT-NP, Rev. 3 3 5-211 Westinghouse Non-Proprietary Class 3

Nuclear Automation Software Design Description for the Post Watts Bar Unit 2 NSSS Completion Program I&C Projects Accident Monitoring System AC160 Software Table 5.4-19. CALCRC MTP Output DSPs/DATs (cont.)

a,c 5.4.6.1.2 Addressable Constants Selection Addressable constants are changeable through the OM or MTP. To determine which value should be passed to the algorithms, subsection 5.5.2 of 00000-ICE-30152, "Common Q Software Design Description Post Accident Monitoring System AC 160 Station" (Reference 13) will apply.

Addressable constants changes can be made on the OM or MTP. [

]a,c 5-212 Westinghouse Non-Proprietary Class 3 WNA-SD-00250-WBT-NP, Rev.

WNA-SD-00250-WBT-NP, Rev. 3 3 5-212 Westinghouse Non-Proprietary Class 3

Nuclear Automation Software Design Description for the Post Watts Bar Unit 2 NSSS Completion Program I&C Projects Accident Monitoring System AC160 Software a,c Figure 5-45. OMIMTP/AC160 Addressable Constants Selection

[

]a~c WNA-SD-00250-WBT-NP, Rev. 3 5-213 Westinghouse Non-Proprietary Class 3

Nuclear Automation Software Design Description for the Post Watts Bar Unit 2 NSSS Completion Program I&C Projects Accident Monitoring System AC160 Software II

]aoc 5-2 14 Westinghouse Non-Proprietary Class 3 Rev. 3 WNA-SD-00250-WBT-NP, Rev.

WNA-SD-00250-WBT-NP, 3 5-214 Westinghouse Non-Proprietary Class 3

Nuclear Automation Software Design Description for the Post Watts Bar Unit 2 NSSS Completion Program I&C Projects Accident Monitoring System AC 160 Software a,c Figure 5-46. Selection of OM/MTP Data (Last Page of Section 5)

WNA-SD-00250-WBT-NP, Rev. 3 5-215 Westinghouse Non-Proprietary Class 3

Nuclear Automation Software Design Description for the Post Watts Bar Unit 2 NSSS Completion Program I&C Projects Accident Monitoring System AC160 Software SECTION 6 SAFETY AND SECURITY 6.1 SAFETY The PAMS AC160 application programs adhere to the safety requirements and guidelines cited in Section 8.1 of WNA-SD-00239-WBT-P, "Watts Bar 2 NSSS Completion Program I&C Projects Software Requirements Specification for the Post Accident Monitoring System" (Reference 7).

6.2 SECURITY The PAMS AC 160 application programs adhere to the security requirements and guidelines cited in Section 8.2 of WNA-SD-00239-WBT-P, "Watts Bar 2 NSSS Completion Program I&C Projects Software Requirements Specification for the Post Accident Monitoring System" (Reference 7).

(Last Page of Section 6)

WNA-SD-00250-WBT-NP, Rev. 3 6-1 Westinghouse Non-Proprietary Class 3

ML11322A015

Text

Navigation menu

Search