ML23241A427
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LOGIC SY MBOLS SYMBOL LOGIC FUNCTION y
A DEVICE WHICH PRODUCES AN OUTPUT ONLY WHEN EVERY INPUT EXISTS.
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AOEVlCEWHICHPROOUCESANOUTPUTONLY WHEN THE INPUT DOES NOT fXJST.
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A 0EVJCEWHJCHPR00UCESAN0UTPUT WHEN ONE INPUT (QR MORE ) EXISTS.
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OFF RETURN ADEVlCEWHlCHRETAINSTHECONOlT!ONOF' MEMORY OUTPUT CORRESPONDING TO THE LAST ENERGIZED INPUT, EXCEPTUPONJNTERRUPT!ONOFPOWER IT RETURNS TO THE Off CONO!T!ON.
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RETENTIVE A DEVICE WHICH RETAINS THE CONOlTION OF MEMORY OUTPUTCORRESPONDINGTOTHE LASTENERGIZEO INPUT (ALSO UPON I NTERRUPTION OF POWER).
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ADJUSTABLE A DEVICE WM!Cfl PRODUCES AN OUTPUT TI ME DELAY FOLLOWING DEF INITE INTENTIONAL TJME ENERGIZING DELAY AFTER RECEIVING Ml INPUT.
tjx ADJUSTABLE AOEV1CEWH1CHCONTINUES TOPRODUCEAN TIME DELAY OUTPUT FOR A DEFINITE INTENT IONAL PERIOD C
DE - ENERGIZING OF TIME AFTER THE INPUT HAS BEEN REMOVED.
1$1 COINCIDENCE A DEVICE WHICH PRODUCES AN OUT PUT
!20UTOFJSHO',/Nl
',/HEN THE PRESCRIBED NUMBER OF INPUT S EXIST (EXAMPLE 2 INPUTS ~ST EXIST FOR AN OUTPUT J.
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MS RETENTIVE ADEVICEHAVINGTHELOG!CAL FUNCTION MEMORY AS INDlCATED BYTHEDlAGRAMBELOW,
WITH MANUAL RESET ACTUA TI NG MANUA L RESET SIGNAL (MOMENTARY P.B.)
ADDITIONAL SYMBOLS
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NSTRUHEflT CHANNEL BISTABLE ; A TAG NOTATION OF
- -.* I NDICATES A GENERIC BISTABLE ASSOCIATED WITH A GEflERIC OR TYPICAL FUNCTION BLOCK INDICATES THAT THE DEVICE OR INSTRUMENT CHANNEL HAS A BISTABL E LOGIC
- t
- OUTPUT WHEN :
J PARAME TE:R MEASURED rs GREATER THAN A PRESET VALUE 1
PARAHETER MEASURED IS LESS HIAN A PRESET VALUE U
- A~~~nfRA~~~¥~ED DEVIATES FROM A PRESET VUUE BY MORE HlAN
-=\::::F-oR+oR +
SAMEASABOVEEXCEPTWITHANAUTOMATICALLYSET VAR[ABLEVALUE U
~~~ET~i/~n~ EXCEPT WITH REQUIRED HYnERES I S BETWEHI TURN ON
.,,,,,- NON - I NSTRUHENTBISTABLE 9~
ou,eu, 1<01CH0< 5'ME,s rnc.1,rn "°
& 2 0
CD ANALOG INPUT CONTR0Lr1-,ANALOG ie~i~----u GATE ANALOG OUTPUT ALARM ANNUNC I ATOR I ALARMS ON THE SAHE SHEET WITH THE SAME SUBSCRIPT SHARE A COMMON ANNUNCIATOR WINDOW)
COMPUTER INPUT INDICATOR LAMP T
TRIP STil.TUS LIGHTS P
PERMISSIVE ST ATUS LIGHTS B
BYPASS STA TUS L IGHTS A
ACTUAT ION SIGNAL LIGHTS LOGIC INFORMATION TRANSMISSION A ALOG INFORMATION TRANSMISSION :
AL VARIABLE FOR O!GITA L SYSTEM ANALOG DISPLAY I
ANALOG INDICATOR R
RECORDER R2 RECORDER 2 CliMINEL RJ RECOROER3CHANNEL R8 RECORDER 8 POINT AOEV!CE WHICHPERHITSANANALOGSIGNAL TO PASS IN AN ISOLA TE CIRCUIT IF THE CONTROL LOG I C INPUT EXISTS.
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SIGNAL MULT IPLICA T ION WFUNC TJONC
- A* B I
C 0~
~ /* 1 LOG!CACTUATEOSWITCH!NG FUNCTIONC
- B IF O*I C*A I F 0
- 0 C
- -~"I" f - -~- '"""1'" """"
l_
B* f ! A l DEV I CE FUNCT ION LETTERS AND NUMBERS DC
>C PC SC 20 27 POSITION !DISPLACEMENT) CHANNEL FLOW CHANNEL LEVEL CHANNEL NUCLEAR CHANNEL PRESSURE CHANNEL RADIATION CHANNEL TEMPERATURE CHANNEL ELECTRIC OPERATED VALVE UNOERVOLTAGERELAY POSITION SWITCH SUFFI X LETTER :
cc, oo, be, bo - LIMIT SWI TCH to, to,
TORQUE SWITCH 010;,;
b 101/4 POSITION SWITCH DEVELOPMENTS FULL TR AVEL r
..l..---.. -
AC CIRCUIT BREAKER SUFFIX LETTER :
PRESSURE SWITCH LEVEL SWITCH FLOWSW] TCH UNOERFREOUENCY RELAY AUKILIARY CONTACT -
OPEN WHEN MAIN CONTACTS ARE OPEN AUXILIARY CONTACT -
CLOSED WHEN MAIN CONTACTS ARE OPEN NOT ES I. EXCEPT WHERE I NDICATED OTHERWISE THE FOLLOWING JS TRUE :
All LOGIC CIRCUITS ARE REDUNDANT. ALL INSTRUMENT CHANNELS, B!STABLES, ANNUNCIA TORS, COMPUTER INPUTS, ANO INDICATOR LAMPS ARE NOT REDUNDANT. MANUAL CONTROL 00 NOT HAVE REDUNDAN T ACT UATORS, BUT 00 HAVE REDUNDANT CONTACTS WHERE LOGIC !S REDUNDANT.
ALL INDICATOR LAMPS, COMPUTER INPUTS & ANNUNCIATORS ARE CONNEC TED TO BOTH TRAINS SO THAT A SIGNAL I N EITHER TRAI N WILL ACTUATE.
- 2. THIS SET OF DRAWINGS IS IDENTICAL FOR UNITS I & 2 EXCEPT FOR Tt,E TAC NUMBERS.
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
ISOLAT I ON HUST BE PROVIDED.
. THIS DRAWI NG I L LUSTRATES THE FUNCTIONAL REQUIREMENTS OF THE REACTOR CONTROL AND PROTECTION SYSTEM. THIS DRAWING DOES NOT REPRESENT ACTUAL HARDWARE
~MENTA T !ON.FOR HAROWAREIHPLEMENTATION.REFERTOTHEAPPL ICABLESCHEMAT[C.
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NUMBERSREFERTOTHEREFERENCENUHBERS ~
10 WE DWG PG&E DWG 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 MANUAL TR I P S1GNALS. _____ ___ __ __ ____ _ 56530H ___ __ 49s8 3 FUNCTIONAL LOGIC DIAGRAM NUCLHR IN>>TR PERMISSIVE$ ANO BLOC~S. __________________ 5653074-4 ______ 495844 FUNCTIONAL LOGIC OUCRAMPRIH.1.RY COOLANT SYSTEM TRIP SIGNALS..
___ 5653074
- 5 __ ___ _ 495845 6. FUNCTIONAL LOGICOIAGRAI-IPRESSL.RIZER TRIP SIGNALS, __________________ ____ __ __ ___ 5653DH
- 6 __
___ 495846 FUNCTIONAL LOGIC DIAGRAM STEAM GENERATOR TRI P SIGNALS ___
_ ______ ______ ____ $653074-7 __ ___ _ 495847 FUNCTIONAL LOGIC OIAGRAI-ISAFEGUAROS ACTUATIONSIGNALS
_____ _____ ___ _ 56530H -s ______ 495848
- 9. FUNCTIONAL LOGIC DI AGRAMROOCONTROLSANOROOBLOCKS ______________________ _____ 5653DH - 9_ __ ___ 495849
- 10. FUNCTIONAL LOGIC DIAGRAM STEAM OUW CONTROL
____ _______ _______ __ 5653D74-I 0 *
- ___ ~95850 I I.FUNCT JONALLOGJCD IAGRAMPRESSURI ZERPRESSUREANDLEVElCONTRQl__
_ _____ S6S3074 -l l ___ __ 9585 I
- 12. FUNCTIONAL LOGIC O!AGAAH PRESSURIZER MEATER CONTROL
_ __ 5653D14 - I2 ___ __ 495852
- 13. FUNCTIONAL lOG!C D!AGRAMFEEO\/ATERCONTROL AND ISOLATION ___ ___ ________ ________ 565307 4-13_ ____ 495853 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, RUNBACKS 1. SIGNALS. ___________ __________ 5653D74-I6 ___ __ 95856
- 17. F'UNCTIONAl LOGIC OIAGRAH AMSAC SIGNALS_
_ ___________ 56530H-I 7_ ____ 4958S7
- 18. FUNCTIONAL LOGIC OlAGRAHSE I SM l C TRIP, _____________ ____________ __ __ __
________ 8759077 _______
95858
- 19. FUNCTIONAL LOGI C DIAGRAM DIGI TAL n1 CONT SYS INPUT SIGNAL H Ll OATJON ___________ _ 565307 -
1 8 ___ __ 495859 20. FUNCTIONAL LOGIC OUGRAI-I DIGITAL FIi CONT SYS FW FLOII CONTROLLER 1. C,, OEMANQ ______ 56530H -I 9_ ____ 495860 2 1. FUNCTIONAL LOGIC OIAGRM-1 DIGITAL F'II CONT SYS CONT vcv SEO 1. TRACKING ux;1c_ ___ ___ 56530H - 2o __ ___ 49586 I 22. FUNCTIONAL LOGIC OUGRAI-IOIGITAL fll CONT SYS SI GNAL SELECTOR LOGIC _____________ 5653DH - 2I ___ 495862
- 23. ORAi/iNG !~DEX SOLID STATE PROTECTION SYS INTERCONNECT!O'I L SCHEM. DI AGRAM ___ __ _ __ 1080442 -- - 458826 NUCLEAR SAFETY RELATED KEY OWG--SEC TI ON _l_
UNIT I FUNCTIONAL LOGIC DI AGRAM INDEX AND SYl-'60LS PACIFIC GAS ANO ELECTRIC COMPANY SANFRANCISCO, CALIFORNIA RM U<IDEXEO REV_!_
COAST VAUOSOIVISIOH 495841 j 10 U2 -
495871