ML23241A610

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7 to Updated Final Safety Analysis Report, Chapter 7, Figure 7.2-1, Drawing 495847, Sheet 1, Rev. 8, I & C Functional Logic Diagram Steam Generator Trip Signals
ML23241A610
Person / Time
Site: Diablo Canyon  Pacific Gas & Electric icon.png
Issue date: 05/25/2023
From:
Pacific Gas & Electric Co
To:
Office of Nuclear Reactor Regulation
Shared Package
ML23241A052 List: ... further results
References
DCL-23-044
Download: ML23241A610 (1)


Text

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NO TE S I. THE REDUNDANT MMIUA L BLOCK CONTROL CONSISTS OF T\10 CONTROLS ON THE CONTROL BOARD, ONE FOR EACH TRAIN. 2.TWOCOMPUTERINPU TSARECONNECTEDTOTHISCIRCUIT , INDIVIDUAL FOR EACH TRAIN. 3.SHEET Nlft'BERSREFE R TO THE REf"ERENCE NU~ERS BE LOW.

                                                                                                                                         ~~~E~~RP~O~~gg~ s       SIGNAL IS USED FOR CONTROL ANO IS DERIVED FROM A PROTECTION CHA NNEL,   ISOL ATI ON STEAM FLOW/F EED FLOW Ml SMA TCH AL AR MS                               5 . THISORA\/ING ILLUSTRA TESTHEFUNCTIONALR EQUIREMENTSOF THEREACTORCONTROLANOPROTECTIONSYS TEH .

ORAWI NCOOESNOTREPRESEN T ACTUALHAROWAREll-<!'LEMENTATIOf1 . REFERTOTHEAPPL ICABLESCHEMATIC . 6.A LL TIMEDELAYTIHERSINAPROTECTIONSETSHALLSTARTSIHULTANEOLISLYUPON RECEIPTOFTHEFIRS T VALIO LOIi- LOW LEVEL SIGNH. 7 . TIME DELAY ASSOCIATED 111TH HI GHEST REACTOR POWER OBSERVED DURING TRANSIENT SHALL BE UT ILIZED 111TH ZERO DELAY FOR PO..-ER GRATER THAN OR EQUA L TO 501/4. 8 . STE AM GENERATOR LOIi-LO\/ LEVEL TIMER ACTUATED <INACTIVE FOR POI/ER GREATER THAN OR EQUH TO 501/4 1.

                                                                                                                                     ~. PROTECT ION GRAD E SIGNAL EQUIVALENT 10 REACTQFt POWER.

RE FER ENC ES WE DWG PG&E DWG FLJNCTIONALLOGICDIAGRAHINDEXANDSYf.flOLS 5653D74- I 49584 I FUNCTIONAL LOGIC DIAGRAM REACTOR TRIP SJGNA LS 5653D74-2 495842

3. FLJNCTIOUAL LOGIC DIAGRAH NUCLEAR HJSTR MIO HMJtJAL TRIP SI GNALS 5653D74-3 495843
4. FUNCTJONALLOGICDIAGRAMNUCLEARINSTRPERMJSSTVESANDBLOCKS 5653D74-4 495844
5. FLJNCTIOUALLOGICDIAGRAHPRIHARYCOOLANTSYSTEMTRIPSIGNALS 5653D74-5 495845
6. FUNCTIONAL LOGIC DIAGRAM PR ESSURI ZER TRTP STGNALS 5653D74-6 495846 FLJNCTIONALLOGICDIAGRAHS TE AMGH1ERATORTRIPSICNALS 5653D74-7 4958H ST EAM GE NERATOR LOW -LO W WA TER LEVEL FUNCTIOUALLOGICDIAGRAMSAF EG UARDSACTUATION S!GNALS 5653D74-8 495848
9. FLJNCTIONALLOGICDIAGRAMRODCONTROLSA NOROOBLOCKS 5653D74-9 495849 LOOP2 LOOP3 LOOP I LOOP2 LOOP3 LOOP4 LOOP I LOOP3 LOOP4 10. FUNCTTONALLOGICDIAGRAMS TEA MDUff'C (X-ITROL 5653D74- IO 495850 l l ""

ll ' IV IV II. FUNCTION AL LOGIC DIAGRAM PRESSURIZER PRESSUR E AtJO LEVEL CONTROL 5653D74- II 495851 1 11 I ll 11 1 11 1

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13. FUNCTJOUALLOGICDIAGRAMPR ESSURI ZERH EATERCONTROL FLJNC TIONA LLOGICDIAGRAMFEED\r/ATERCONTROLA 'lD ISOLATION 5653D74- 12 495852 495853

14. FUNCTIOUAL LO GIC DIAGRAM FEEDIIATER C(X-ITROL ANO ISOLATION 495854 15 . FLJNCT!Oh ALLOGICDIAGRAMAUXILIARYFEEDWATERPUMPSSTARTUP 5653074- 15 495855 16 . FUNCTIONAL LOGIC DIAGRAM TURB I NE TRIPS. RUNBAUS & SIGfMLS 5653D74- 16 495856
17. FLJ'ICTJONALLOGICD IAGRAMAMSACSIGNALS 5653D74-17 495857 IB. FUNCTIONALLOGICDIAGRAMSEISMICTRIP 495858 19 . FLJNCTJONALLOGICDIAGRAMOIGITALFWCONTSYSJNPUTSIGNALVALIDAIION 495859
20. FUNCTIONAL LOGIC DIAGRAM DIGITAL Fir/ CONT SYS Fir/ FLO\/ CONTROLLER t Cy DEMMID 495860
21. FLJNCTJONALLOGICDIAGRAMOIGITALFWCONTSYSCONTVCVSEO/..IRACKH1GLOGIC 5653D74-20 495861 22 . FUNC TIONALLOGICDIAGRAMDIGITALF\r/C (X-I TSYSSIGNHSELECTORLOG I C 5653D74-2 1 495862
23. DRAWING I NDEX SOLID STA TE PROTEC TION SYS INTERCOUNECTIDflt SCHEM . DI AGRAM I OB0 442 - I STEAM GENE RATOR HI -Hl LEVEL STEAM GENERATOR I STEAMGEUERATOR2 STEAMGENERATOR3 STEAMGENERATOR4 Ill Ill Ill I ll s s ~
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NUCLEAR SAFETY RELATED TU R81NETRIPANOFEEDWATER ISOLATION P - 14 ( SHEET 131 AU XI LI ARY FEEDWATER KEY OWG . SECTION_3_ PUMPSTARTUPLOGJ C RHISIONOESCRIPT ION REV [SEO PER OOT* *6~ 1*0}}