ML21305A688

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6 to Updated Final Safety Analysis Report, Figure 7.2-1, Sheet 1 of 36, Drawing 495841-1, Functional Logic Diagram Index and Symbols
ML21305A688
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
Download: ML21305A688 (1)


Text

lv8S6v 2 3 4 5 6 7 8 9 10 E E DEVICE FUNCTION LETTERS AND NUMBERS DC POSITION !DISPLACEMENT) 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 SYMBOL LOGIC FUNCTION PC PRESSURE CHANNEL 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 - I 33 POSITION SWITCH -

PC I LOGIC ' I OUTPUT WHEN: SUFFIX LETTER:

143 J J PARAMETER MEASURED IS GREATER THAN A PRESET VALUE ae, ao, be, bo - LIMIT SWITCH tc, to, - TORQUE SWITCH PARAMETER MEASURED IS LESS THAN A PRESET VALUE l

NOT A DEVICE WHICH PRODUCES AN OUTPUT ONLY WHEN THE INPUT DOES NOT EXIST.

u PARAMETER MEASURED DEVIATES FROM A PRESET VALUE BY MORE THAN A PRESET AMOUNT. POSITION SWITCH DEVELOPMENTS

' OR + OR+ SAME AS ABOVE EXCEPT WITH AN AUTOMATICALLY SET VARIABLE VALUE -0 I

FULL TRAVEL I

r ae, tc ' '

OR A DEVICE WHICH PRODUCES AN OUTPUT bo, to D I WHEN ONE INPUT !OR MORE) EXISTS. u OR I OR l SAME AS ABOVE EXCEPT WITH REQUIRED HYSTERESIS BETWEEN TURN ON AND TURN OFF. 00 I D I I I I

, , . - - - - - - NON-INSTRUMENT BISTABLE be I I '

a I 0%

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

/'-._

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

t RETURNS TO THE OFF CONDITION.

I 52 AC CIRCUIT BREAKER SUFFIX LETTER:

++ ALARM ANNUNCIATOR I ALARMS ON THE SAME SHEET WITH THE SAME SUBSCRIPT SHARE A COMMON ANNUNCIATOR WINDOW) a AUXILIARY CONTACT - OPEN WHEN MAIN CONTACTS ARE OPEN 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).

t 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 IT] 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 0 HAVE REDUNDANT ACTUATORS, BUT DO HAVE REDUNDANT CONTACTS WHERE LOGIC IS REDUNDANT.

$ ADJUSTABLE A DEVICE WHICH CONTINUES TO PRODUCE AN INDICATOR LAMP ALL INDICATOR LAMPS, COMPUTER INPUTS & ANNUNCIATORS ARE CONNECTED TO BOTH TRAINS SO TIME DELAY OUTPUT FOR A DEFINITE INTENTIONAL PERIOD T TRIP STATUS LIGHTS 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. C

£9_1,_Q __ B BYPASS STATUS LIGHTS FOR UNIT I, TAG NUMBERS ADD A "I". EXAMPLE; IPC-455E FOLD A ACTUATION SIGNAL LIGHTS FOR UNIT 2, TAG NUMBERS ADD A 2. EXAMPLE; 2PC-455E

! ! COINCIDENCE A DEVICE WHICH PRODUCES AN OUTPUT

3. WHENEVER A PROCESS SIGNAL IS USED FOR CONTROL AND IS DERIVED FROM A PROTECTION CHANNEL, I SOLA TI ON MUST BE PROV I OED.

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

+ ANALOG INFORMATION TRANSMISSION; 1-----. j,.,.,- 5. SHEET NUMBERS REFER TO THE REFERENCE NUMBERS~

( REAL VARIABLE FOR DIGITAL SYSTEM J l rM. R.

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

CD ANALOG DISPLAY I ANALOG INDICATOR L R WITH MANUAL R RECORDER RESET R2 RECORDER 2 CHANNEL R3 RECORDER 3 CHANNEL REFERENCES WE DWG PG&E DWG R8 RECORDER 8 POINT I. FUNCTIONAL LOGIC DIAGRAM INDEX AND SYMBOLS ____________________________________ 5653D74-I ______ 495841 ANALOG SUMMER 2. FUNCTIONAL LOGIC DIAGRAM REACTOR TRIP SIGNALS _________________________________ 5653D74-2 ______ 495842

3. FUNCTIONAL LOGIC DIAGRAM NUCLEAR INSTR AND MANUAL TRIP SIGNALS _________________ 5653D74-3 ______ 495843
4. FUNCTIONAL LOGIC DIAGRAM NUCLEAR INSTR PERMISSIVES AND BLOCKS ___________________ 5653D74-4 ______ 495844 ANALOG 5. FUNCTIONAL LOGIC DIAGRAM PRIMARY COOLANT SYSTEM TRIP SIGNALS ____________________ 5653D74-5 ______ 495845 INPUT

' 6. FUNCTIONAL LOGIC DIAGRAM PRESSURIZER TRIP SIGNALS _____________________________ 5653D74-6 ______ 495846

' A DEVICE WHICH PERMITS AN ANALOG SIGNAL 7. FUNCTIONAL LOGIC DIAGRAM STEAM GENERATOR TRIP SIGNALS __________________________ 5653D74-7 ______ 495847 ACTUATING MANUAL RESET CONTRO~ ANALOG TO PASS IN AN ISOLATED CIRCUIT IF THE SIGNAL (MOMENTARY P.B. I LOGIC GATE CONTROL LOGIC INPUT EXISTS. 8. FUNCTIONAL LOGIC DIAGRAM SAFEGUARDS ACTUATION SIGNALS _________________________ 5653D74-8 ______ 495848 INPUT 9. FUNCTIONAL LOGIC DIAGRAM ROD CONTROLS AND ROD BLOCKS ___________________________ 5653D74-9 ______ 495849 \

'I 10. FUNCTIONAL LOGIC DIAGRAM STEAM DUMP CONTROL ___________________________________ 5653074-10 _____ 495850 t

ANALOG 11. FUNCTIONAL LOGIC DIAGRAM PRESSURIZER PRESSURE AND LEVEL CONTROL _________________ 5653D74-I I----- 495851

) OUTPUT 12. FUNCTIONAL LOGIC DIAGRAM PRESSURIZER HEATER CONTROL ___________________________ 5653D74-l2 _____ 495852

13. FUNCTIONAL LOGIC DIAGRAM FEEDWATER CONTROL AND ISOLATION _______________________ 5653D74-13 _____ 495853 J

B B

14. FUNCTIONAL LOGIC DIAGRAM FEEDWATER CONTROL AND ISOLATION _______________________ 5653074-14 _____ 495854 B 15. FUNCTIONAL LOGIC DIAGRAM AUXIL;ARY FEEDWATER PUMPS STARTUP _____________________ 5653D74-15 _____ 495855 A ----8 'I SIGNAL MULTIPLICATION FUNCTION C=A*B
16. FUNCTIONAL LOGIC DIAGRAM TURBINE TRIPS, RUNBACKS & SIGNALS ______________________ 5653074-16 _____ 495856 I7. FUNCTIONAL LOGIC DIAGRAM AMSAC SIGNALS _______________________________________ 5653D74-17 _____ 495857
18. FUNCTIONAL LOGIC DIAGRAM SEISMIC TRIP ________________________________________ 8759D77 ________ 495858 I 9. FUNCTIONAL LOGIC DIAGRAM DIGITAL FW CONT SYS INPUT SIGNAL VALIDATION ____________ 5653D74-18 _____ 495859 FOLD C 20. FUNCTIONAL LOGIC DIAGRAM DIGITAL FW CONT SYS FW FLOW CONTROLLER & Cy DEMAND ______ 5653D74-19 _____ 495860 FOLD 2 I . FUNCTIONAL LOGIC DIAGRAM DIGITAL FW CONT SYS CONT VCV SEQ & TRACKING LOGIC _______ 5653D74-20 _____ 495861
22. FUNCTIONAL LOGIC DIAGRAM DIGITAL FW CONT SYS SIGNAL SELECTOR LOGIC ______________ 5653D74-21 _____ 495862 **

fa ~

A B \. 23. DRAWING INDEX SOLID STATE PROTECTION SYS INTERCONNECTION & SCHEM. DIAGRAM --------108D442-1----- 458825 z co

~ '

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0 6 LOGIC ACTUATED SWITCHING ~

- D-----ao 0 /1 FUNCTION C=B IF D=I C~A IF D=O V

C A__, xlt:__

f( B FUNCTION GENERATOR B=flA)

X DWG DWG TYPE SUBJECT DRAWING TlTLE UNIT No, G]

14 15 I IINIDIElxl IAINlol 16 21 lslvlr-1lsl01Llsl 16-44 I I I I I I I I I I I 11 42 44 RM INDEXED REV PROJECT INSTALLATION DIVISION DD MAN DRAWING LOCATION TYPE NAME MISC CODE HOURS CADD SOURCE A A 1°1 IiAIBILl 45-50 01 []

5!

l§l 52 53 rnllll 555£ 57 59

[9 60 0

70 I

REV J:Zw,a, M /  ;:,e, REGISTERED ENGJNEER NUCLEAR SAFETY RELATED COAST VALLEYS DIVISION KEY DWG--SECTION _ 3_ UNIT I MICROFILM I APPROVED GM BILL OF MATL

~ BY SUPV L HOLLOWAY FUNCTIONAL LOGIC DIAGRAM '

INDEX AND SYMBOLS OWG LIST OSGN l'ESTINGHOUSE SUPSOS 663 195 18

, OWN W AL80VIAS t-t---i----------------1----+-t---+----t--t----t--t---t---------------+----t---t---t--t---t----t,,rlr5_C:S20io~::,r,1,,,,,U'"f""E.R0=WW-~ .i,h::>1'15-lrn ,~e-.1.5,i,67 WM Vilt- O.J ]E ,. CHKO Y.A. L,M DIABLO CANYON SUPSD BY DEPART~ENT OF ENGINEERING SHEET NO, SHEETS l-+---+----------------l----+-+--+--+---~---t--+--+---------------+--+---+-+--+-_,___-+--+------l~""v"-.'--'f'l:"'-,-'-tb-=-=Ule,cLl_,__-'--"-'ri7C__,1_-_,cE,,,.E:._-= ... 'i'.Z=--'7"-';o'--',,'----+---+---+u,/=-+--+-n.~ ' ,,11&fOJ5/J OK

  • u I -

DESCRIPTJON DATE DATE REV NO. DATE GM/SPEC OWN CHKD SUPV APVD BY NO. DESCRIPTION GM/SPEC mJN CHKD SUPV APVO BY NO. DATE DESCRIPTION GWSPEC OWN CHKD SUPV APVD BY PACIFIC GAS AND ELECTRIC COMPANY

[ '60, 130J495841D.E62 04-01-91 DCC R E V I S I O NS REV I S I ONS R E V I S I ONS SCALES NONE SAN FRANCISCO, CALIFORNIA 495841 I N4351 I 2 3 4 5 6 7 0 i! 8 4I I li;J. I I 9 10 U2 - 495871


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