ML21305A614

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6 to Updated Final Safety Analysis Report, Figure 7.2-1, Sheet 2 of 36, Drawing 495871, Revision 1, Sheet 1, Functional Logic Diagram Index and Symbols
ML21305A614
Person / Time
Site: Diablo Canyon  Pacific Gas & Electric icon.png
Issue date: 10/11/2021
From:
Pacific Gas & Electric Co
To:
Office of Nuclear Reactor Regulation
Shared Package
ML21306A142 List: ... further results
References
DCL-21-074 495871, Rev. 1
Download: ML21305A614 (1)
v • d • e


Text

I L8S6t;, 2 3 4 5 6 7 8 9 10 E E DEVICE FUNCTION LETTERS AND NUMBERS DC POSITION IDISPLACEMENTI CHANNEL 63 PRESSURE SWITCH FC FLOW CHANNEL 71 LEVEL SWITCH LOGIC SYMBOLS ADDITIONAL SYMBOLS LC LEVEL CHANNEL 80 FLOW SWITCH NC NUCLEAR CHANNEL 81 UNDERFREQUENCY RELAY PC PRESSURE CHANNEL SYMBOL LOGIC FUNCTION RC RADIATION CHANNEL TC TEMPERATURE CHANNEL 20 ELECTRIC OPERATED VALVE

_,,-----~NSTRUMENT CHANNEL BISTABLE; A TAG NOTATION OF "*"" INDICATES A ...__ 27 UNDERVOLTAGE RELAY AND A DEVICE WHICH PRODUCES AN OUTPUT ONLY WHEN EVERY INPUT EXISTS.

( GENERIC BISTABLE ASSOCIATED WITH A GENERIC OR TYPICAL FUNCTION BLOCK

,,,,,--------- INDICATES THAT THE DEVICE OR INSTRUMENT CHANNEL HAS A BISTABLE 33 POSITION SWITCH -

I' PC' / LOGIC I OUTPUT WHEN: SUFFIX LETTER:

143 ae, ao, be, bo - LIMIT SWITCH

+ I PARAMETER MEASURED IS GREATER THAN A PRESET VALUE

'-. I tc, to, - TORQUE SWITCH PARAMETER MEASURED IS LESS THAN A PRESET VALUE FOLD

l FOLD u PARAMETER MEASURED DEVIATES FROM A PRESET VALUE BY MORE THAN

+ NOT A DEVICE v/H I CH PRODUCES AN OUTPUT ONLY WHEN THE INPUT DOES NOT EXIST.

OR +

A PRESET AMOUNT.

OR+ SAME AS ABOVE EXCEPT WITH AN AUTOMATICALLY SET VARIABLE VALUE POSITION SWITCH DEVELOPMENTS 0

I FULL TRAVEL I

ae, tc D

OR A DEVICE WHICH PRODUCES AN OUTPUT WHEN ONE INPUT IOR MORE) EXISTS. U OR J OR l SAME AS ABOVE EXCEPT WITH REQUIRED HYSTERESIS BETWEEN TURN ON AND TURN OFF.

_,,..,,..------ NON-INSTRUMENT BISTABLE bo, ao be to I

I I

I

-I I

I D

t t a 10%

OFF RETURN A DEVICE WHICH RETAINS THE CONDITION OF -~ /~.----OUTPUT INDICATOR SAME AS EXPLAINED ABOVE b 10%

I I

/'-.

MEMORY OUTPUT CORRESPONDING TO THE LAST ENERGIZED INPUT, EXCEPT UPON INTERRUPTION OF POWER IT 27 1 (VALVE CLOSED) (VALVE OPEN)

RETURNS TO THE OFF CONDITION.

+

52 AC CIRCUIT BREAKER SUFFIX LETTER:

t t & ALARM ANNUNCIATOR I ALARMS ON THE SAME SHEET WITH THE SAME AUXILIARY CONTACT - OPEN WHEN MAIN CONTACTS ARE OPEN 2

SUBSCRIPT SHARE A COMMON ANNUNCIATOR WINDOW! a RETENTIVE A DEVICE WHICH RETAINS THE CONDITION OF MEMORY OUTPUT CORRESPONDING TO THE LAST ENERGIZED b AUXILIARY CONTACT - CLOSED WHEN MAIN CONTACTS ARE OPEN INPUT !ALSO UPON INTERRUPTION OF POWER!.

! REACTOR TRIP FIRST OUT ANNUNCIATOR TURBINE TRIP FIRST OUT ANNUNCIATOR ADJUSTABLE A DEVICE WHICH PRODUCES AN OUTPUT TIME DELAY ENERGIZING FOLLOWING DEFINITE INTENTIONAL TIME DELAY AFTER RECEIVING AN INPUT.

NOTES COMPUTER INPUT I. EXCEPT WHERE INDICATED OTHERWISE THE FOLLOWING IS TRUE:

ALL LOGIC CIRCUITS ARE REDUNDANT. ALL INSTRUMENT CHANNELS, BISTABLES, ANNUNCIATORS, COMPUTER INPUTS, AND INDICATOR LAMPS ARE NOT REDUNDANT. MANUAL CONTROL DO NOT ADJUSTABLE TIME DELAY A DEVICE WHICH CONTINUES TO PRODUCE AN OUTPUT FOR A DEFINITE INTENTIONAL PERIOD 0 INDICATOR LAMP T TRIP STATUS LIGHTS HAVE REDUNDANT ACTUATORS, BUT DO HAVE REDUNDANT CONTACTS WHERE LOGIC IS REDUNDANT.

ALL INDICATOR LAMPS, COMPUTER INPUTS & ANNUNCIATORS ARE CONNECTED TO BOTH TRAINS SO THAT A SIGNAL IN EITHER TRAIN WILL ACTUATE.

DE-ENERGIZING OF TIME AFTER THE INPUT HAS BEEN REMOVED. P PERMISSIVE STATUS LIGHTS C 2. THIS SET OF DRAWINGS IS IDENTICAL FOR UNITS I & 2 EXCEPT FOR THE TAG NUMBERS.

B BYPASS STATUS LIGHTS FOR UNIT I, TAG NUMBERS ADD A "I". EXAMPLE; I PC-455E A ACTUATION SIGNAL LIGHTS FOR UNIT 2, TAG NUMBERS ADD A "2". EXAMPLE; 2PC-455E

3. WHENEVER A PROCESS SIGNAL IS USED FOR CONTROL AND JS DERIVED FROM A PROTECTION COINCIDENCE A DEVICE WHICH PRODUCES AN OUTPUT CHANNEL, ISOLATION MUST BE PROVIDED.

2/3 12 OUT OF 3 SHOWN! WHEN THE PRESCRIBED NUMBER OF INPUTS LOGIC INFORMATION TRANSMISSION 4. THIS DRAWING ILLUSTRATES THE FUNCTIONAL REQUIREMENTS OF THE REACTOR EXIST (EXAMPLE 2 INPUTS MUST EXIST FOR CONTROL AND PROTECTION SYSTEM. THIS DRAWING DOES NOT REPRESENT ACTUAL HARDWARE AN OUTPUT l. IMPLEMENTATION. FOR HARDWARE IMPLEMENTATION, REFER TO THE APPLICABLE SCHEMATIC.

ANALOG INFORMATION TRANSMISSION; 1--.._ f"' 5. SHEET NUMBERS REFER TO THE REFERENCE NUMBERS~

( REAL VARIABLE FOR DIGITAL SYSTEM }

...-M.R.

RETENTIVE MEMORY A DEVICE HAVING THE LOGICAL FUNCTION AS INDICATED BY THE DIAGRAM BELOW.

CD ANALOG DISPLAY I ANALOG INDICATOR LR WITH MANUAL R RECORDER RESET R2 RECORDER 2 CHANNEL R3 RECORDER 3 CHANNEL RB RECORDER 8 POINT REFERENCES WE DWG PG&E DWG ANALOG SUMMER

' I . FUNCTIONAL LOGIC DIAGRAM INDEX AND SYMBOLS ____________________________________ 5653074-l ______ 495871

2. FUNCTIONAL LOGIC DIAGRAM REACTOR TRIP SIGNALS _________________________________ 5653074-2 ______ 495872
3. FUNCTIONAL LOGIC DIAGRAM NUCLEAR INSTR AND MANUAL TRIP SIGNALS __________________ 5653074-3 ______ 495873
4. FUNCTIONAL LOGIC DIAGRAM NUCLEAR INSTR PERMISSIVES AND BLOCKS ___________________ 5653D74-4 ______ 495874 ANALOG INPUT 5. FUNCTIONAL LOGIC DIAGRAM PRIMARY COOLANT SYSTEM TRIP SIGNALS . ___________________ 5653074-5 ______ 495875

6. FUNCTIONAL LOGIC DIAGRAM PRESSURIZER TRIP SIGNALS _____________________________ 5653074-6 ______ 495876 A DEVICE WHICH PERMITS AN ANALOG SIGNAL I TO PASS IN AN ISOLATED CIRCUIT IF THE 7. FUNCTIONAL LOGIC DIAGRAM STEAM GENERATOR TRIP SIGNALS __________________________ 5653074-7 ______ 495877 ACTUATING MANUAL RESET CONTROL-0 ANALOG SIGNAL (MOMENTARY P.B.l LOGIC GATE CONTROL LOGIC INPUT EXISTS. 8. FUNCTIONAL LOGIC DIAGRAM SAFEGUARDS ACTUATION SIGNALS _________________________ 5653074-8 ______ 495878 INPUT 9. FUNCTIONAL LOGIC DIAGRAM ROD CONTROLS AND ROD BLOCKS ___________________________ 5653074-9 ______ 495879 \

v IO* FUNCTIONAL LOGIC DIAGRAM STEAM DUMP CONTROL ___________________________________ 5653074-10 _____ 495880

  • ANALOG I I . FUNCTIONAL LOGIC DIAGRAM PRESSURIZER PRESSURE AND LEVEL CONTROL . ________________ 5653074-1 I _____ 495881

) OUTPUT I2. FUNCTIONAL LOGIC DIAGRAM PRESSURIZER HEATER CONTROL ___________________________ 5653074-12 _____ 495882 I3. FUNCTIONAL LOGIC DIAGRAM FEEDWATER CONTROL AND ISOLATION _______________________ 5653074-13 _____ 495883 I

B B

  • I4. FUNCTIONAL LOGIC DIAGRAM FEEDWATER CONTROL AND ISOLATION _______________________ 5653074-14 _____ 495884 I5. FUNCTIONAL LOGIC DIAGRAM AUXILIARY FEEDWATER PUMPS STARTUP _____________________ 5653074-15 _____ 495885 I6. FUNCTIONAL LOGIC DIAGRAM TURBINE TRIPS, RUNBACKS & SIGNALS ______________________ 5653074-16 _____ 495886 SIGNAL MULTIPLICATION I7. FUNCTIONAL LOGIC DIAGRAM AMSAC SIGNALS _______________________________________ 5653074-17 _____ 495887 FUNCTION C=A*B I8. FUNCTIONAL LOGIC DIAGRAM SEISMIC TRIP. ________________________________________ 8759077 ________ 495888 I9. FUNCTIONAL LOGIC DIAGRAM DIGITAL FW CONT SYS INPUT SIGNAL VALIDATION ____________ 5653074-18 _____ 495889 l'OLD 20. FUNCTIONAL LOGIC DIAGRAM DIGITAL FW CONT SYS FW FLOW CONTROLLER & Cv DEMAND ______ 5653074-19 _____ 495890 F"OLD
21. FUNCTIONAL LOGIC DIAGRAM DIGITAL FW CONT SYS CONT VCV SEQ & TRACKING LOGIC _______ 5653074-20 _____ 495891

' 22. FUNCTIONAL LOGIC DIAGRAM DIGITAL FW CONT SYS SIGNAL SELECTOR LOGIC ______________ 5653074-21 _____ 495892 A B 23. DRAWING INDEX SOLID STATE PROTECTION SYS INTERCONNECTION & SCHEM. DIAGRAM-------- 108D442-I ----- 458826 LOGIC ACTUATED SWITCHING FUNCTION C=B IF D=I C =A IF D=0 A--> fl x l t : _ ___ B_,_ FUNCTION GENERATOR B ~ fl A l X

DWG DWG TYPE SUBJECT DRAWING TITLE UNIT No.

Gl 0 14 15 I IINIDIE\xl IAINIDI lslYIMIBl0ILlsl I I I I I I I I I I 121 16 21 16-44 42 44 RM INDEXED REV _I_

PROJECT INSTALLATION DIVISION DD MAH DRAW I NG LO::ATION TYPE NAME MISC CODE HOURS GADD SOURCE A A IDI IIAIBIL\ 0 1

.t.5-50

[I]

51 l§l 52 D @}QI 53 ~5 56 I I I I 57 59 l9 60

~

70 I

REV -

r,:.,,.,, .A f*ro$u REGISTERED ENGINEER

£

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, 1Wf,,;llJTt' DSGN WESTINGHOUSE INDEX AND SYMBOLS 1-1---+-------------f---+-l-+-+--+-+--J---+------------+-----l-+--+-+--I---+--'-.----1--------------+--+---+---l---+-+----F,I=.::-: DWNW ALBOVIAS SUPSDS 663195-18 I 'r-uCfj 0UFERSeDtPE,? r;w..Ge,31'1~-lo(t)C()*El:'*45&&1 Ml\ Vin, . , , , CHKD v ~ "'"' DIABLO CANYON SUPSD BY t - t - - - - t - - - - - - - - - - - - - i - - - - - t - - t - - - t - - t - - - - t - - - t - - t - - - - t - - - - - - - - - - - - - - t - - - - - - t - - - - t - - - t - - i - - - - - i - - ' - r - - ~ . Pl:f< A0 ~1111.:r f rxi

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DEPARTMENT OF ENGINEERING SHEET NO, SHEETS DWt-.1 CHKD SUPV APVD BY DATE OWN CHKD SUPV "APVD 5Y DATE REV NO. DA TE DES CR I PT ION GM/SPEC OWN CHKD SUPV APVD BY NO. DATE DESCRIPTION GH/SPEC NO. DES CR I PT ION PAC!F!C GAS AND ELECTRIC COMPANY

[ 160, 130] 495871 D. E62 04-25-91 VAL R E V I S I ONS R E V I S I O NS RE V I S I ONS SCALES NONE SAN FRANCISCO, CALIFORNIA 495871 I 4351 2 3 4 5 6 7 UI - 495841

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