ML21305A615

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6 to Updated Final Safety Analysis Report, Chapter 7, Figure 7.2-1, Sheet 13 of 36, Drawing 495847-1, I & C Functional Logic Diagram Steam Generator Trip Signals
ML21305A615
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: ML21305A615 (1)


Text

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NOTES STEA ILIIIE ISOLATIOl,I

                                                                                                                                                                     !SHEET s,                                                                                                                                                                                                                                                                                                 I. THE REDUNDANT IIANUAL BLOCK COl1TROL CONSISTS OF TWO CONTROLS ON THE CONTROL BOARD,                                                                      OliE FOR EACH TRAIN.
2. TWO co*IPIJTER INPIJTS A~E COIINECTED TO THIS CIRCUIT, INDIVIDUAL Foe; EACH TRA!f,
3. SHEET NUIIBERS REFER TO THE REFERENCE NUMBERS BELCW.

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C. ALL Til'IE DEL.Al TIIIERS I *1 ,A PROTECT IO\ SET SHALL STAc;T SIIIULTAl!EO .. S_Y UP011 RECEl"T OF THE FIRST VALID LOOF* I LOOF* 2 LOOP 3 LOSF 4 LOW LOW L[V[L SIGNAL, 7, Tll',IF nFI AY ASSOclATFn \ IT7 HIGHFST RFAC:TOR PDWFR ORSFRVFn nllRll,.G TRAl,JSIFl,IT SHAI I RF IITII lc'Fn WITH STMF,F~F MISMATCH STMF1F\ F *1:SII.ATCH STM=!FWF MISMATC~ STHFlFWF ~IISHATCH LlHO Uc LAY f OR f'OWlH CR.A I lH I HAl*I Ofi lQIJAL IO :i0%, II II I I I I 8. STEAM CE\ERATOR LOW-LOW LEVEL TIMER ACTUATED ( INACTIVE FOR POWER GREATER THAN oc; EQUAL TO SO%,,

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9. PROTECTION GRADE SIGNAL EQUIVALENT TO FEACTOF POWER.

C FJLD FOLD REFERENCES WE DWG PG&E DWG I. FIJIICT 101'1/,L LOGIC D 11,GR,\I-I l lCEX .~IID SYMBOLS --------------------------------------------------------- 5653::4 - I _________ 49584 I

2. FIJl*ICTIOIIAL LOGIC DIAGRAH R[ACTOR TRIF SICII.ALS c6S3::4-2 495842
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7. FUN~TIOIJAL LOGIL DIAGRAH STEAM ~EIJERATOR T~IP SIGIJALS c5c3J 7 4-7 4g5B47 STEAM GENERATOR LOW-LOW WATER LEVEL 8, FIJll C:TIOIJAI I OGIC nlAGRAl'-1 SAFFGII.ARns ACTIIATIOIJ STGl,IAI S 1 "6SS~:4-il 49'iR48 S, FWJCT !Gr'JAL LOGIC DI AGRAH RO~ CO~HROLS M-JC ~OD BLOCl'. R< ' R:< R >'. 13. FIJl*ICTIOIIAL LOGIC DIAGRAII FEEDwATER COIHROL AIID ISOLATJO\ 5653::4-13 495853 POwER I
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I 4. FIJll,:T I Ol*IAL LOGIC DI AGRAl-1 FEEDWA TER COIITROL Al*ID I SOLA TI 0\ ------------------------------------ c65 3J' ~ - I 4 ________ 4 95 85 4

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21. FUNCTIOIJAL LOGIC DIAGRAH CIGITAL FW CONT SYS CONT VCV SEQ & TRACKING LOGIC "653::4-20 495861 SSPS
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23. FIJNCTIOIJAL LOGIC DIAGRAH CIGITAL FW CONT S1S SIGNAL SELECTOR LOGIC DR/o'lill*IG 11,ICE\ SOLID ST,\TE P'iOTECTIOl*I SIS ll*ITC:RCOl*ll*IECTJO,I & SCHEH, CIAG'i/,H "653J:4-21 I 080442-1 495862 453862 B

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