ML20268A845

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5 to Updated Final Safety Analysis Report, Chapter 7, Drawing 495856, Rev. 11, Sheet 1, I & C Turbine Trips, Runbacks & Other Signals Functional Logic
ML20268A845
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: ML20268A845 (1)


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PEDUIIDAI T RcDUCE LOAD REFERENCE AT 200%/11 I hi PULSil,IG J\\IOT RECUIIJAIIT REFERENCES (NOTE 8)

WE DWG PG&E DWG NOTES I, Tf-FSF SIGl.,/AI S ll*i,JICATF T-,F Cl OSll!G OF THF STOP VAi VFS, 2,

n= UNDANCY IS IliOICAT[D IN G[GAnos TO wincou1n[N[NTS ONLY, 3, DELETED 4,

Gcl*.IERATOR IIOTO~Il*!G PRCTECTI::JII SHOULD '!OT DEFEAT THE -HIRTY SECOND DELAY, THE 30 SECOllO T!Nc DELAY S OE 0 EATEO IF BEARING OIL PRESSURE IS LO-LO AFTER LOSS OF AUTO STOP OIL F~ESSURE.

5, WcSTINGHOUSE STEAN TURBINE DIVISION REQUIRES THE 30 SECOND Tll~E DELAY -o BE REDUl!DANT, O~E TIMER IS CONNECTEC TO THE TRAIN 'A' OUTPUT OF T-,E PROTECTION LOGIC SYSTEM AND THE OTHER TIMER IS CONNECTED TO THE TRAIN 'B' OUTPJT, THE TI~ER OUTPUTS ARE WIREC SO THAT EIT-,ER W LL ACTUATE A GENERATOR TRIP, 6,

I f-l "Al'ilJ" LOGIC Al\\llJ I Hl,ASSOC A I llJ PHlSSUHl S\\l I CHlS, 6.J/ 18 AND 63/AST! NUST BE TESTED PERICDICALLY, WHILE ON LINE AT

POWER, WITHOUT PLANT TRI",

TEST VALVES AND TEST LIGHTS ARE REQUIRED TO PROVIDE THOROUGH TESTING AND TO VERIFY PRESSURE SWITCH CCNTACT STATUS, 70 Tf-E AIISAC LOGIC IS l!C*T REDUIIDAl,JT Sll!CE THE SAIIE 11,IPU-s ARc USED FC*R THE LC*GIC Of VOllP 'A' Al*IU VOllP 'cJ' iSll Plf, I /1, I IS SIGl'*IAL Ol~IPIJIS APl UUPLICAlllJ fiJP INPUT -o EACH TURBINE TRIP CIRCUIT, ISOLATIO~ DEVICES ARE REOU RcD BETWEEN THE NOil-iE Al*ISAC CIRCUITS ANJ THE TURBIIJE TRIP CIRCJITS, R.

Sf-FFT 1*!111 RFRS ~FFFR T~ T-,F PFFFRFl*ICF \\JI/IIRFRS RF OW.

9, Wf-EIIEVER A PROCESS SIGNA_ IS USED 0 0R CONTROL AND IS DcRIVED FRO~ A PROTECTION c-,AJ.]l*llL, ISOLAIIOII IIUSI cJl cHOVIUlU, 10, Tf-IS DRAWING I_LUSTRATES THE FUNCTIONAL REQUIREMENTS OF Tf-E REACTOR CO~TROL ANO PROTECTION SYSTEII.

THIS DRAWING DOES NOT RE 0 RESENT ACTUAL HARDWARE IH,*L[l*[l,JTATIOII,,ori 11Ar1DWAr1[ [lil'L[H[l*!TA-101,1, r1[1[r1 TO TII[ Ar,*L CABL=

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220 2 3, FLJJ.,CT I *Jl!AL LOGIC FUl,CT I Jl!AL LOGIC FUI\\CT I JIIAL LOGIC FUl'.CT I Ol'IAL LOGIC FUl'CTIOl'IAL LOGIC FLJJ.,CT I *Jl!AL LOGIC Fl/1,CT I Jl!AI I OG IC FUl,CT I OIIAL LOGIC FUl'.CT I Ol'IAL LOGIC FUl'CTIOIIAL LOGIC FLJJ.,CT I Ql,IAL LOGIC FUl,CT I OIIAL LOGIC FIJI* CT I OIIAL LOGIC FIJI CT I OIIAL LOGIC FUI CT I Ol*IAL LOGIC FIJI CT I Ol'!AL LOGIC FUICTIOl!AL LOGIC FIJI* CT I OIIAL LOGIC FIJI CT I OIIAL LOGIC FUICTIOIIAL LOGIC FIJI CT I Ol~AL LOGIC FUICTIOl!AL LOGIC FIJI* CT I OIi OIAGRAi'I 0 I AGRAII I IJOEY AIID S 'HBOLS ---------------------------------------------------------- 5653074-1 __________ 49584 I 0 I AGRAH REilCTOR TR IP SI G*IALS ------------------------------------------------------ 5653074-2 __________ 495842 OIAGRAJ,1 l*IUCLEAR ll!S-R.AID *Ai!UAL TRIP SIGIIALS 5653074-3 495843 OIAGRAl1 NUCLEAR INS-R 0 E~NISSIVES AND BLOCKS 5653074-4 495844 0 I AGRAII PR I I IA RY COCILAIIT SY STEl1 TR IP SI Gl'IAL S -------------------------------- 565307 4 -5 __________ 4 9 584 5 0 I AGRAII PRESSURIZER TR IP SI GllALS ------------------------------------------------ 5653071-6 __________ 'I 958 'I 6 nlAGRAH STFAH GFlffRATOo TRIP SIGl!AI S 565jn74-7 4q'i847 DIAGRAM SAFEGUARDS AC-'~ATIOI! SIGl!ALS 5653074-8 495848 OIAGRAII ROD COIITROLS A*ID ROD BLOCl*.S 5653074-9 495849 0 I AGRAII STEAII DUIIP CCIITROL --------------------------------------------------------- 5653074-1 0 ________ 495850 OIAGRAII PRESSURIZER FRESSU"E All LEVEL COIITROL ___________________________ 5653071-11 ________ '195851 0 I AGRAII FRESSUR I CER HE.ATER COl*ITROL


5653074-1 2 ________ 495852 OIAGRAII FEEDWATER COJ*.1-RO_.Al*ID ISOLATIOl*I 5653074-13 495853 OIAGRAH FEEOWATER co1,1-RO_

.All ISOLATIOII 5653074-14 495854 0 I AGRA1,1 AUi IL !ARY FEED WA TEo PUHPS STARTUP ---------------------------------- 5653074-1 5 ________ 495855 0 I AGRAl*I TURB I IIE TR I PS, RIJll3ACJiS & SI Ci'IALS ----------------------------------- 5653074-16 ________ 495856 DIAGRAII AIISAC SIGl!ALS DIAGRAM SE!Sfl!C TRIP OIAGRAH [,IGITAL Fl CCIIT SYS ll*IPUT SIGIIAL VALIDATIOII OIAGRAl1 DIGITAL FW CCIIT SYS FW FLOW COl!TROLLER & Cy OIAGRAl1 DIGITAL FW CCNT SYS CONT VCV SEO & TRACKll,G DIAGRA11 DIGITAL FW CCNT SYS SIGNAL SELECTOR LOGIC REACTOR -

TURBINE -

GENE"ATOR PROTECTIOIJ 5653074-17 8759077 5653074-18 495857

'195858 49'i8'i9 OEl,IAIID _________ 565 30 7 4 - I 9 ________ 4 9 5 86 0 LOGIC ___________ 5653074-20 ________ 49586 I 5653D74-21 495862 500825 24, ATWS HITIGATIOII SiSTEfl ACTUATION CIRCU:TRY iA~SACi 6002434 2 5, SCH E *I AT I C D I,AG R 1,1,1 TUR B I f I E C OI HR O L _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ 4 3 7 S 5 I 2 6, I I IT E 'i COWIE CT I 111~

1N I R I 11 G D I AG R Al *I

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DATE 06-19-2014 D, D.

I-xC2' L Vo FAZ I IVA REVISIOt~ DESCR PTION REVIS~ PER JFT-7~2580 0'

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I & C TUFOIIIE TFI 0 S, RUIIOAC<S &

OTHER SIGNALS FUNCTIONAL LOGIC

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PACIFIC GAS AND ELECTRIC COMPANY SAN FRANCISCO, CALIFOFNIA DWG SCALE:

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663135-16 SUPSD [If:

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