ML23241A427

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7 to Updated Final Safety Analysis Report, Chapter 7, Figure 7.2-1, Drawing 495841, Sheet 1, Functional Logic Diagram Index & Symbols
ML23241A427
Person / Time
Site: Diablo Canyon  Pacific Gas & Electric icon.png
Issue date: 05/25/2023
From:
Pacific Gas & Electric Co
To:
Office of Nuclear Reactor Regulation
Shared Package
ML23241A052 List: ... further results
References
DCL-23-044
Download: ML23241A427 (1)
v • d • e


Text

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DEV I CE FUNCT ION LETTERS AND NUMBERS DC POSITION !DISPLACEMENT) CHA NNEL PR ESSURE SWITCH

>C FLOW CHANNEL LEVEL SWITCH L EVEL CHANNEL FLOWSW] TCH LOGIC SY MBOLS ADDITIONAL SYMBOLS NUCLEAR CHANNEL UNOERFREOUENCY RELAY PC PRESSURE CHANNEL SYMBOL LOGIC FUNCTION SC RADIATION CHANNEL TE MPERATURE CHANNEL y '"'

A DEVICE WHICH PRODUCES AN OUTPUT ONLY WHEN EVERY INPUT EXISTS.

~ NSTRU HEflT CHANNEL BISTABLE ; A TAG NOTATION OF * -.

  • I NDICATES A J

1 GENERIC BISTABLE ASSOCIATED WITH A GEflERIC OR TYPICAL FUNCTION BLOCK INDICATES THAT THE DEVICE OR INSTRUMEN T CHANN EL HAS A BISTABL E LOGIC

  • t
  • OUTPUT WHEN :

PARAME TE:R MEASURED rs GREATER THAN A PRESET VALUE PARAHETER MEASURED IS L ESS HIAN A PR ESET VALUE 20 27 ELEC TRIC OPERAT ED VALVE UNOERVOLTAGERELAY POSITION SWITCH SUFFI X LETTER :

cc, oo, be, bo - LIMIT SWI TCH to , to , - TORQUE SWITCH U :A~~~nfRA~~~¥~ED DEVIAT ES FROM A PRESET VUUE BY MORE HlAN

+

AOEVlCEWHICHPROOUCESANOUTP UTONLY POS ITION SWITCH DEVELOP MENTS WHEN THE INPUT DOES NOT fXJST.

FULL TR AV EL

-=\::::F-oR+oR + SAMEASABOVEEXCEPTWITHANAUTOMATICA LLYSET VAR[ABLEVALUE

~ A 0EVJCEWHJCHPR00UCESAN0UTPUT WHEN ON E INPUT (QR MOR E ) EXISTS. U OR J OR l ~~~ET~i/~n~ EXCEPT WITH REQUIRED HYnERES I S BETWEHI TURN ON r

9~

. , , , , , - NON - I NSTRUHENTBIS TABLE

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010;,;

..l..---..-

~

ou,eu, 1<01CH0< 5'ME ,s rnc.1,rn b 101/4 OFF RETURN ADEVlCEWHlCHRETAINSTHECONOlT!ONOF' MEMORY OUTPUT CORRESPONDING TO TH E LAST ENERGIZED INPUT , EXCEPTUPONJN TERRUPT!ONOFPOWER IT RETURNS TO THE Off CONO!T!ON .

AC CIRCUIT BREAKER SUFFIX LETTER :

ALARM ANNUNC I ATOR I AL ARMS ON THE SAHE SHEET WITH TH E SAME

&2

~

AUKILIARY CONTACT - OPEN WH EN MAIN CONTACTS ARE OPEN SUBSCRIPT SHARE A COMMON ANNUNCIATOR WINDOW)

RETEN T IVE A DEVICE WHICH RETAINS THE CONOlTION OF AUXILIARY CONTACT - CLOSED WHEN MAIN CONTACTS ARE OPEN MEMORY OU TPUTCORRESPONDINGTOTHE LASTENERGIZEO INPUT (ALSO UPON I NTERRUPTION OF POWER) .

~

ADJUSTAB L E A DEVICE WM!Cfl PRODUCES AN OUTPUT T I ME DELAY FOLLOWING DE F INITE INTENTIONAL TJME NOT ES ENERGIZING DELAY AFTER REC E IVING Ml INPUT .

COMPUTER INPUT I . EXCEPT WHERE I NDICATED OTHERWISE THE FOL LOWING JS TRUE :

All LOGIC CIRCUITS ARE REDUNDANT. ALL INSTRUMENT CHANNELS, B!STABLES, ANNUNCIA TORS, COMPUTER INPUTS , ANO INDICATOR L AMPS ARE NOT REDUNDANT. MANUAL CONTROL 00 NOT HAVE REDUNDAN T ACT UATORS, BUT 00 HAVE REDUNDANT CON TACTS WHERE L OGIC !S REDUNDANT.

0 tjx INDICATOR LAMP ALL INDIC ATOR LAMPS, COMPUTER INPUTS & ANN UNCIATORS ARE CONNEC TED TO BOTH TRAINS SO ADJUSTAB L E AO EV1CEWH1CHCONTINUES TOPRODUCEAN TIME DELAY OUTPUT FOR A DEFINITE INTEN T IONAL PERIOD T TRIP STil.TUS LIGHTS THAT A SIGNAL I N EITHER TRAI N WILL ACTUATE.

DE - ENERGIZING OF TIME AFT ER THE INPUT HAS BEEN REMOVED. P PERMISSIVE ST AT US LIGHTS 2. THIS SET OF DRAWINGS IS IDENTICAL FOR UNITS I & 2 EXCEPT FOR Tt,E TAC NUMBERS .

C B BYPASS STA TU S L IGHTS FOR UNIT I , TAG NUMBERS ADD A

  • I * . EXAMPL E; IPC- SSE FOR UN!T 2 . TAG NUMBERS ADD A " 2 " . EXAMPLE : 2PC- 55 E A ACTUA T ION SIGNA L LIGHTS
3. WHENEVER A PROCESS SIGNA L IS USED FOR CON TROL ANO IS OER!VED FROH A PROTECTION 1$1 CHANN EL , ISOLAT I ON HUST BE PROVIDED.

COINCIDENCE A DEVICE WHICH PRODUCES AN OUT PUT LOGIC INFORMATION TRANSMISSION . THIS DRA WI NG I L LUSTRATES THE FUNCTIONA L REQUIREMENTS OF THE REACTOR

!20UTOFJSHO',/Nl ',/HEN THE PR ESCRIBED NUMBER OF INPUT S CONTROL AND PROTECTION SYSTEM. THIS DRAWING DOES NOT REPRESENT ACTUAL HARDWARE EXIST (EXAMP L E 2 INPUTS ~ST EXIST FOR ~ M E N T A T !ON.FOR HAR OWAREIHP L EMENTATION.REFERTOTHEAPPL ICABL ESCHEMAT[C .

AN OUTPUT J.

A ALOG INFORMATION TRANSMISSION :

AL VARIABLE FOR O!GITA L SYSTEM L--- NUMBERSREFERTOTHEREFERENCENUHBERS ~

~ MS RETENTIVE ADEVICEHAVINGTHELOG!CA L FUNCTION CD ANALOG DISPLAY I ANA L OG INDICATOR MEMORY AS INDlCATED BYTHEDlAGRAMBELOW , R RECORDER

' WITH MANUAL RES ET R2 RECORDER 2 CliMINEL RJ RECORO ER3CHANN EL WE DWG PG&E DWG R8 RECORDER 8 POINT FUNCTIONAL LOG!C DIAGRAM INDEX AND SYl-llOlS __ _ _ ___ ___ _ ___ _ _ __ 5653014- 1 __ __ __ 495841 FUNCTIONAL LOGICDIAGRAHREACTO!lTRIPSICNALS_ _ __ 56530 74

  • L ----- 95M2 FUNCTIONAL LOG IC DIAGRAM NUCL EAR INSTR AND MANUA L TR I P S1GNAL S . __ ___ _ __ __ __ ____ _ 56530H ___ _ _ 49s8 3 FUNCTIONAL LOGIC DIAGRAM NUCLHR IN>>TR PERMISSIVE$ ANO BLOC~S. __________________ 56530 74-4 ______ 495844 ANALOG FUNCTIONAL LOGIC OUCRAMPRIH.1.RY COOLANT SYSTEM TRIP SIGNALS.. ___ 5653074
  • 5 __ ___ _ 495845 INPUT 6 . FUNCTIONAL LOGICOIAGRAI-IPRESSL.RIZER TRIP SIGNALS , __________________ _ ___ __ __ _ __ 5653DH
  • 6 __ ___ 4 95846 AOEV!C E WHICHPERHITSANANA L OGSIGNA L FUNCTIONAL LOGIC DIAGRAM STEAM GENERATOR TRI P SIGNALS _ __ _ ______ _ _____ ____ $653074-7 __ ___ _ 495847 CONTR0Lr1-,ANA L OG TO PASS IN AN ISOLA TE CIRC UIT IF THE ACTUA TI NG SIGNAL MANUA L RESET (MOMENTARY P.B.) ie~i~----u GA TE CONTROL LOG I C INPUT EXISTS .

FUNCTION AL LOGIC OIAGRAI-ISAFEGUAROS ACTUATIONSIGNALS _ --- _____ _ ____ ___ _ 56530 H -s ______ 495848

9. FUNCTIONA L LOGIC DI AGRAMROOCONTROLSANOROOBLOCKS ______________________ _____ 5653DH - 9_ __ _ _ _ 495849 ANALOG OUTPUT
10. FUNCTIONAL LOGIC DIAGRAM STEAM OUW CONTROL I I.FUNCT JONALL OGJCD IA GR AMPRESSURI ZERPRESSUREANDLEVElCONTRQl__

____ _______ _ ______ __ 5653D74- I 0 *

  • ___ ~95850 12 . FUNCTIONAL LOGIC O!AGAAH PR ESSURIZER MEAT ER CONTROL __________ ___ _ ___ ___

_ _____ S6S3074 -l l ___ _ _ 9585 I

_ __ 5653D14 - I2 _ __ __ 495852

13. FUNCTIONAL lOG!C D!AGRAMFEEO\/ATERCONTROL AND ISOLATION _ __ _ __ ________ ________ 565307 4-13_ ____ 4 9 5853 I4 . FUNCT!ONALLOGICD!AGRAMF[EO\/ATERCONTROL ANDISOLATJON.__ _ _______ ___ _ 5653074-14 __ ___ 95854
15. FUNCTIONAL LOGIC DIAGRAM AUX I LIARY F' EEOWUER PLM'S STAATLP _____________ _ _ _ __ _ __ 56530H
  • l5 __ __ _ 95BS5 16 . FUNC TIONAL LOG I C DIAGRAM TURBINE TRIPS , RUNB ACKS 1. SIGNALS . _ __________ _ _________ 5653D74 - I 6 _ __ __ 95856

--- ~ SIGNA L MULT IPLICA T ION WFUNC T JONC

  • A
  • B
17. F'UNCTIONAl LOGIC OIAGRAH AMS AC SIGNALS_ ___ __ _ __ _ __ _ ___________ 56530H- I 7_ ____ 4958S7 18 . FUNCTIONAL LOGIC OlAGRAHSE I SM l C TRIP , _ _ ___________ _ ___________ __ __ __ _ _______ 8759077 _______ 95858 19 . FUNCTIONAL LOGI C DIAGRAM DIGI TA L n1 CONT SYS INPUT SIGNAL H Ll OATJON ___________ _ 565307 - 1 8 _ __ _ _ 495859 I 20 . FU NCTIONAL LOGIC OUGRAI-I DIGITAL FIi CONT SYS FW FLOII CONTROL LE R 1. C,, OEMANQ _ _____ 565 30 H -I 9_ ____ 495860 C 2 1. FU NCT IONAL LOGIC OIAGRM-1 DIGIT AL F'II CONT SYS CON T vcv SEO 1. TR ACKING ux;1c_ ___ ___ 56530H - 2o __ _ __ 49586 I 22 . FUNC TIONAL LOGIC OUGRAI-IOIGITAL fll CONT SYS SI GNAL SE LECT OR LOGIC _____________ 5653DH - 2I ___ 495862
23. ORAi/iNG !~DEX SOLID STATE PROTECTION SYS INTERCONNECT!O'I L SCHEM . DI AGRAM ___ __ _ __ 1080442 -- - 458826 0 ~~

/

  • 1 L OG!CACTUATEOSWITCH!NG C

FUNCTIONC

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  • -~" ' 'I" B* f ! A l RM U<IDEXEO REV_!_

NUCLEAR SAFETY RELATED COAS T VAUOSOIVISIOH KEY OWG--SEC TI ON _l_ UN IT I FUNCTIONA L LOG IC DI AG RAM INDEX AN D SYl-'60LS PACIFIC GAS ANO ELECTRIC COMPANY SANFRANCISCO , CALIFORNIA 495841 j

>

  • 10 U2 - 495871
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