ML20268A845

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: DCL-20-075, 5 to Updated Final Safety Analysis Report, Chapter 7, Drawing 441313, Sheet 1, Rev. 37, Electrical Schematic Diagram Containment Fan Coolers ML20268A349 ML20268A350 ML20268A351 ML20268A352 ML20268A353 ML20268A354 ML20268A355 ML20268A360 ML20268A361 ML20268A362 ML20268A363 ML20268A364 ML20268A365 ML20268A366 ML20268A367 ML20268A369 ML20268A370 ML20268A372 ML20268A373 ML20268A374 ML20268A375 ML20268A376 ML20268A377 ML20268A378 ML20268A379 ML20268A380 ML20268A381 ML20268A382 ML20268A383 ML20268A384 ML20268A385 ML20268A386 ML20268A387 ML20268A388 ML20268A389 ML20268A390 ML20268A391 ML20268A392 ML20268A393 ML20268A394 ML20268A395 ML20268A396 ML20268A397 ML20268A398 ML20268A399 ML20268A400 ML20268A401 ML20268A402 ML20268A403 ... further results
References
DCL-20-075
Download: ML20268A845 (1)

Text

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P-9 i SHll I 4 I----~ RcDUCE LOAD REFERENCE AT 200%/11 I hi PULSil,IG GEI\IERA,TOR PROTECT I 011 J\IOT RECUIIJAIIT SIGI\IA,LS TO REACTO~ TRIP i'SHFFT ?'1 REFERENCES (NOTE 8) WE DWG PG&E DWG I, FLJJ.,CT I *Jl!AL LOGIC 0 I AGRAII I IJOEY AIID S 'HBOLS ---------------------------------------------------------- 5653074-1 __________ 49584 I AU1ILIAR1 TO  ?

Lo FUl,CT I Jl!AL LOGIC 0 I AGRAH REilCTOR TR IP SI G*IALS ------------------------------------------------------ 5653074-2 __________ 495842 BUS GEl*lcRl,TOR FUI\CT I JIIAL LOGIC OIAGRAJ,1 l*IUCLEAR ll!S-R .AID *Ai!UAL TRIP SIGIIALS 5653074-3 495843 TRAIIS FER TRIP 3' 4' FUl'.CT I Ol'IAL LOGIC OIAGRAl1 NUCLEAR INS-R 0 E~NISSIVES AND BLOCKS 5653074-4 495844 B 5' FUl'CTIOl'IAL LOGIC 0 I AGRAII PR I I IA RY COCILAIIT SY STEl1 TR IP SI Gl'IAL S -------------------------------- 565307 4 -5 __________ 4 9 584 5 6, FLJJ.,CT I *Jl!AL LOGIC 0 I AGRAII PRESSURIZER TR IP SI GllALS ------------------------------------------------ 5653071-6 __________ 'I 958 'I 6 NOTES 7' Fl/1,CT I Jl!AI I OG IC nlAGRAH STFAH GFlffRATOo TRIP SIGl!AI S 565jn74-7 4q'i847 8' FUl,CT I OIIAL LOGIC DIAGRAM SAFEGUARDS AC-'~ATIOI! SIGl!ALS 5653074-8 495848 0 I, Tf-FSF SIGl.,/AI S ll*i,JICATF T-,F Cl OSll!G OF THF STOP VAi VFS, FUl'.CT I Ol'IAL LOGIC OIAGRAII ROD COIITROLS A*ID ROD BLOCl*.S 5653074-9 495849 "3c Lf) w 9' s "0 Q)

I O, FUl'CTIOIIAL LOGIC 0 I AGRAII STEAII DUIIP CCIITROL --------------------------------------------------------- 5653074-1 0 ________ 495850 L0 2, n= UNDANCY IS IliOICAT[D IN G[GAnos TO wincou1n[N[NTS ONLY, (ll II, FLJJ.,CT I Ql,IAL LOGIC OIAGRAII PRESSURIZER FRESSU"E All LEVEL COIITROL ___________________________ 5653071-11 ________ '195851 sq-3, DELETED I 2, FUl,CT I OIIAL LOGIC 0 I AGRAII FRESSUR I CER HE.ATER COl*ITROL -------------------------------------------- 5653074-1 2 ________ 495852 OLD4 OLD~

I 3, FIJI* CT I OIIAL LOGIC OIAGRAII FEEDWATER COJ*.1-RO_ .Al*ID ISOLATIOl*I 5653074-13 495853 4, Gcl*.IERATOR IIOTO~Il*!G PRCTECTI::JII SHOULD '!OT DEFEAT THE -HIRTY OLD~

CUTL I HE SECOND DELAY, THE 30 SECOllO T!Nc DELAY S OE 0 EATEO IF BEARING OIL I 4, FIJI CT I OIIAL LOGIC OIAGRAH FEEOWATER co1,1-RO_ .All ISOLATIOII 5653074-14 495854 OLD~

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PRESSURE IS LO-LO AFTER LOSS OF AUTO STOP OIL F~ESSURE. I S, FUI CT I Ol*IAL LOGIC 0 I AGRA1,1 AUi IL !ARY FEED WA TEo PUHPS STARTUP ---------------------------------- 5653074-1 5 ________ 495855 I 6, FIJI CT I Ol'!AL LOGIC 0 I AGRAl*I TURB I IIE TR I PS, RIJll3ACJiS & SI Ci'IALS ----------------------------------- 5653074-16 ________ 495856 5, WcSTINGHOUSE STEAN TURBINE DIVISION REQUIRES THE 30 SECOND Tll~E 5653074-17 I7 FUICTIOl!AL LOGIC DIAGRAII AIISAC SIGl!ALS 495857 DELAY -o BE REDUl!DANT, O~E TIMER IS CONNECTEC TO THE TRAIN 'A' OUTPUT OF o

T-,E PROTECTION LOGIC SYSTEM AND THE OTHER TIMER IS CONNECTED TO THE I 8, FIJI* CT I OIIAL LOGIC DIAGRAM SE!Sfl!C TRIP 8759077 '195858 TRAIN 'B' OUTPJT, THE TI~ER OUTPUTS ARE WIREC SO THAT EIT-,ER W LL ACTUATE I 9, FIJI CT I OIIAL LOGIC OIAGRAH [,IGITAL Fl CCIIT SYS ll*IPUT SIGIIAL VALIDATIOII 5653074-18 49'i8'i9 A GENERATOR TRIP, 20, FUICTIOIIAL LOGIC OIAGRAl1 DIGITAL FW CCIIT SYS FW FLOW COl!TROLLER & Cy OEl,IAIID _________ 565 30 7 4 - I 9 ________ 4 9 5 86 0 6, I f-l "Al'ilJ" LOGIC Al\llJ I Hl ,ASSOC A I llJ PHlSSUHl S\ l I CHlS , 6.J/ 18 2I, FIJI CT I Ol~AL LOGIC OIAGRAl1 DIGITAL FW CCNT SYS CONT VCV SEO & TRACKll,G LOGIC ___________ 5653074-20 ________ 49586 I AND 63/AST! NUST BE TESTED PERICDICALLY, WHILE ON LINE AT 220 FUICTIOl!AL LOGIC DIAGRA11 DIGITAL FW CCNT SYS SIGNAL SELECTOR LOGIC 5653D74-21 495862 POWER, WITHOUT PLANT TRI", TEST VALVES AND TEST LIGHTS ARE 2 3, FIJI* CT I OIi OIAGRAi'I - REACTOR - TURBINE - GENE"ATOR PROTECTIOIJ 500825 REQUIRED TO PROVIDE THOROUGH TESTING AND TO VERIFY PRESSURE SWITCH CCNTACT STATUS, 24, ATWS HITIGATIOII SiSTEfl ACTUATION CIRCU:TRY iA~SACi 6002434 25, SCH E *I AT I C D I ,AG R1,1,1 TUR B I f I E COIHR OL _______________________________________________________________________________________________ 4 3 7 S5 I 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 26, I IIT E'i COWIE CT I 111~ 1N I R I 11 G DI AG RAl *I ___________________________________________________________________________________________________ 5 6 3 2 2 4 - 2 4 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.

'0 9, Wf-EIIEVER A PROCESS SIGNA_ IS USED 0 0R CONTROL AND IS DcRIVED FRO~ A PROTECTION N A c-,AJ.]l*llL, ISOLAIIOII IIUSI cJl cHOVIUlU, 10, Tf-IS DRAWING I_LUSTRATES THE FUNCTIONAL REQUIREMENTS OF Tf-E REACTOR CO~TROL NUCLEAR SAFETY RELATED w' ANO PROTECTION SYSTEII. THIS DRAWING DOES NOT RE 0 RESENT ACTUAL HARDWARE 0 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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