ML20268A695

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5 to Updated Final Safety Analysis Report, Chapter 7, Drawing 495875, Rev 5, Sheet 1, I & C Functional Logic Diagram Primary Coolant System Trip Signals
ML20268A695
Person / Time
Site: Diablo Canyon 
Issue date: 06/30/2020
From:
Pacific Gas & Electric Co
To:
Office of Nuclear Reactor Regulation
Shared Package
ML20268B299 List: ... further results
References
DCL-20-075
Download: ML20268A695 (1)
v • d • e


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  • .REF, 101 TO FEEDWATER ISOLATION REFERENCES I. FUIET I Ol*IAL 2" FUIICTIOl*IAL 3" FUIETIOl1IAL 4,

5 0 FUIICT I OIJAL FUll*CT I Ol*IAL 6" FUll*CTIOl,IAL lo FUIETIOl*.IAL 8" FUNCTIOIIAL LOGIC LOGIC LOGIC LOGIC LOGIC LOGIC LOGIC LOGIC 1 SHE::::T 13 1

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':653074-1 495871 DIAGRAM REACTOR TRIP S!GflALS "653D74-2 495872 DIAGRAII IWCLEAR Il**ISTR MJD M/\\IILIAL TRIP SIGIIALS 5653074-3 495873 DIAGRAII IIUCLEAR lflSTR PERl'IISSIVES All BLOCK.S -----------------------------5653074*4---------495874 DI A1GRMI DIAGRAM DI AGRAII PRIIIARr COOLAIIT SrSTEII TRIP SICIIALS -------------------------------5653074*5---------495875 PRESSUR I 7 ER TR IP SI GIIAL S ----------------------------------------------- 565307 4-6 --------- 4 95 8 76 STEA~ GEIJERATOR TRl 0 DIAGRAII SAFEGUARDS ACTUATIO~

9" FUll*CTIOl,IAL LOGIC DIAGRAM ROD COl*ITROLS All ROJ SIGl*IALS 5653071-7 195877 SI GIIALS

5G5307 4-8 --------- 4 95 8 7 8 BLOCKS ------------------------------------------- 565 3D7 4 -------- 4 9 5 8 7 9 10" FUl1CTIONAL LOGIC II" FIIIETIOl*IAI IOGIC

12. FUIICTIONAL LOGIC I j" fUIICI IOl*IAL LOGIC 14" FLlll*CTIOl,IAL LOGIC 15" FUIJCTIONAL LOGIC 16" FUNCTIONAL LOGIC 17" FUIICTIONAL LOGIC 18" FUIJCTIONAL LOGIC 19,,UNCTIOIIAL LOGIC

[1 I AGRAl0I DI AGRAII DI AGRAII LI I AGHAII DIAGRAM DI AGRAII DIA1GRMI DIAGRAM DI AGRAl'I DIAGnAH STEA~ DUflP CONTROL "653074-10 495880 PRFSSIIRl7FR PRFSS.RF Al*ln I Fl/Fl cmlTROI 56'i,n74-I I 49'7881 PRESSUR I 7 ER HEATER COl*ITROL

5653D7 4-12--------495 88 2 fllUWAllH COl,IIHOL AIU ISOLAIIOI.

';6:iJLlr4-IJ 49'188.i FEED WATER COIIT RO L A *ID I SOL AT I OI.

5 6 5 3 D 7 4 - I 4 -------- 4 9 5 8 8 4 AU":LIARi FEEDWATER PUflPS STARTU 0 5653074-15 495885 TUR B I I~ E TR I PS, RU KB.AC I< S & S I G 11 AL S ---------------------------------- 5 6 5 3 D 7 4 - I 6 -------- 4 9 5 8 8 6 A I ISAC SI GIIAL S --------------------------------------------------------------- 565 3D7 4 - I 7 -------- 4 9 5 8 8 7 SEISl0 IC TRIP 8759077 495888 DIG TAL 1V/ COIIT SYS ll~rUT SIGIJAL VALIDATIOIJ ------------------- 5653074 18 ______ --495889 20" FUIICTIOl,IAL LOGIC DIAGRAII DIG TAL FV/ COIIT SYS F1N FLOW COfT~OLLER & Cv DEMM*ID---------=653D74-19 ______ --495890 21" FUl1CTIONAL LOGIC DIAGRAKI DIG TAL FW CONT ~r, COIJT VCV SEQ & TRACKING LCGIC 5653074-20 495891 22" FUIICTIOl*IAL LOGIC DIAGRAH DIG TAL FV/ COIIT SYS SIGIIAL SELECTOR LOGIC 5653074-21 495892

23. DRA'wll1G 11*.IDE;; SOLID STATE PROTECTIOl*I SYS 11,TERCOlll*IECTIOI, & SCHUi. DIAG~AH ------------ I 080442-458862 NOTES:

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FOR UNDERVOLTAGE RC:LAYS SHOULD DE APPROX" 70%.

THE MAXll~LI~ ALLOWA~LE DETECTOR TIMF nFI AY ',IITH TH" An,IIISTARI F nF AY SFT TD ZEROr BETWEEN REACHING THC: SETPOINT VALUE A~D PASSING Ofl THC: SIGNAL TO THE REACTOR TPIP CIPCUITPY SHOULD NOT EXCEED 0,6 SEC, 2"

REACTOR COOLANT PUt1PS I & 2 ARE Ofl DUS I"

REACTOR COOLANT PUl1PS 3 & 4 ARE ON BUS 2" 3"

THE SETPOINT OF THE LJNDERFREOLJENCY RE_AYS 5-0LJLD BE ADJUSTABLE BETWEC:N 52 CPS Afl= 59 C0 S" TII[ l0 A)IHUl 0 ALL0'11ABL[

D[T=CT n TIii[ D[LAY, IIAICLUDIIAIG THE ADJUSTABLC: DELAYi BETWEEN PEAC-ING Tf-E SET-POINT VALU[

Ahl rASSil*IG Df*I TI[ SIGl*JAL TO TII[ T~Ir CinCLJITS SHOULD NOT EXCEED /\\PPROXo Oo I SECo 40 THE II.AXIIIUl1 AL_OvJ/\\BLE TIIIE DELAY BETWEEl*I THE IIHl IHl fiCf' 8-ilA<lHS RlCllVl A lfilP SICl"*IAL Al11U THC: TIIIE THE B'iEA<ERS HAVE TRIPPED AJJD PASSED ON THE FEN SICNA_ TO T~E ~EACTOP TRIP LOGIC SHCULC NOT EXCEED Oo I SECo 5,

SHEET NUMBERS REFC:R TO THE REFEREliCE NJHBERS BELOW, 6"

WHENEVER A PROCESS SIGNAL IS JSE FOR COflTROL AND IS DERIVED "ROfl A FROTECT!Clhl CHAl*.lhlEL, ISOLATIOl 0I IIUST BE PRCVlnFn" 7"

THIS DRAWING I_LUSTR~TES T~E FUNCTIONAL REQUIREHEIITS OF THE RC:ACTOR CONTROL AND PR TECTI IJ SYSTEM, THIS DRAWl~G COES NOT REP~ESENT ACTU/\\L HARDWARE :~IPLE~ENT/\\TION" FOP HARDWARE l~PLEME~TATI0~ 0 PEFEP TO THE APPLICABLE SCHEl0I.A TIC, I

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