ML20268A883
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[ '60, 130J495841D.E62 04-01-91 N4351 LOGIC FUNCTION AND NOT OR OFF RETURN MEMORY RETENTIVE MEMORY ADJUSTABLE TIME DELAY ENERGIZING ADJUSTABLE TIME DELAY DE-ENERGIZING COINCIDENCE CZ OUT OF 3 SHOWN)
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RETENTIVE MEMORY WITH MANUAL RESET 2
3 4
5 6
7 ADDITIONAL SYMBOLS
~NSTRUMENT CHANNEL BISTABLE; A TAG NOTATION OF '** INDICATES A 8
9 DEVICE FUNCTION LETTERS AND NUMBERS DC FC LC NC PC RC POSITION !DISPLACEMENT) CHANNEL FLOW CHANNEL LEVEL CHANNEL NUCLEAR CHANNEL PRESSURE CHANNEL RADIATION CHANNEL TC TEMPERATURE CHANNEL 63 71 80 81 PRESSURE SWITCH LEVEL SWITCH FLOW SWITCH UNDERFREQUENCY RELAY 10 E
A DEVICE WHICH PRODUCES AN OUTPUT ONLY WHEN EVERY INPUT EXISTS.
( GENERIC BISTABLE ASSOCIATED WITH A GENERIC OR TYPICAL FUNCTION BLOCK 20 27 33 ELECTRIC OPERATED VALVE UNDERVOLTAGE RELAY POSITION SWITCH A DEVICE WHICH PRODUCES AN OUTPUT ONLY WHEN THE INPUT DOES NOT EXIST.
A DEVICE WHICH PRODUCES AN OUTPUT WHEN ONE INPUT !OR MORE) EXISTS.
A DEVICE WHICH RETAINS THE CONDITION OF OUTPUT CORRESPONDING TO THE LAST ENERGIZED INPUT, EXCEPT UPON INTERRUPTION OF POWER IT RETURNS TO THE OFF CONDITION.
A DEVICE WHICH RETAINS THE CONDITION OF OUTPUT CORRESPONDING TO THE LAST ENERGIZED INPUT !ALSO UPON INTERRUPTION OF POWER).
A DEVICE WHICH PRODUCES AN OUTPUT FOLLOWING DEFINITE INTENTIONAL TIME DELAY AFTER RECEIVING AN INPUT.
A DEVICE WHICH CONTINUES TO PRODUCE AN OUTPUT FOR A DEFINITE INTENTIONAL PERIOD OF TIME AFTER THE INPUT HAS BEEN REMOVED.
A DEVICE WHICH PRODUCES AN OUTPUT WHEN THE PRESCRIBED NUMBER OF INPUTS EXIST I EXAMPLE 2 INPUTS MUST EXIST FOR AN OUTPUT).
A DEVICE HAVING THE LOGICAL FUNCTION AS INDICATED BY THE DIAGRAM BELOW.
ACTUATING SIGNAL
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MANUAL RESET (MOMENTARY P.B. I t
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INDICATES THAT THE DEVICE OR INSTRUMENT CHANNEL HAS A PC LOGIC I OUTPUT WHEN:
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PARAMETER MEASURED IS GREATER THAN A PRESET VALUE BISTABLE l u PARAMETER MEASURED IS LESS THAN A PRESET VALUE PARAMETER MEASURED DEVIATES FROM A PRESET VALUE BY MORE THAN A PRESET AMOUNT.
OR + OR+ SAME AS ABOVE EXCEPT WITH AN AUTOMATICALLY SET VARIABLE VALUE u
OR 27 1 I
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0 CD ANALOG INPUT I
OR l SAME AS ABOVE EXCEPT WITH REQUIRED HYSTERESIS BETWEEN TURN ON AND TURN OFF.
,,.------ NON-INSTRUMENT BISTABLE
~---- OUTPUT INDICATOR SAME AS EXPLAINED ABOVE ALARM ANNUNCIATOR I ALARMS ON THE SAME SHEET WITH THE SAME SUBSCRIPT SHARE A COMMON ANNUNCIATOR WINDOW)
REACTOR TRIP FIRST OUT ANNUNCIATOR TURBINE TRIP FIRST OUT ANNUNCIATOR COMPUTER INPUT INDICATOR LAMP T TRIP STATUS LIGHTS p
PERMISSIVE STATUS LIGHTS B BYPASS STATUS LIGHTS A ACTUATION SIGNAL LIGHTS LOGIC INFORMATION TRANSMISSION ANALOG INFORMATION TRANSMISSION;1-----.
( REAL VARIABLE FOR DIGITAL SYSTEM J
ANALOG DISPLAY I
ANALOG INDICATOR R
RECORDER R2 RECORDER 2 CHANNEL R3 RECORDER 3 CHANNEL R8 RECORDER 8 POINT ANALOG SUMMER CONTRO~ ANALOG LOGIC GATE INPUT A DEVICE WHICH PERMITS AN ANALOG SIGNAL TO PASS IN AN ISOLATED CIRCUIT IF THE CONTROL LOGIC INPUT EXISTS.
'I ANALOG OUTPUT B
A ----8 A
' ' 6 D -----ao 0
'I C
B
/1
' V C
SIGNAL MULTIPLICATION FUNCTION C=A*B LOGIC ACTUATED SWITCHING FUNCTION C=B IF D=I C~A IF D=O A
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X B
FUNCTION GENERATOR B=flA)
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- ,e, REV REGISTERED ENGJNEER SUFFIX LETTER
ae, ao, be, bo - LIMIT SWITCH tc, to,
- TORQUE SWITCH POSITION SWITCH DEVELOPMENTS 0
FULL TRAVEL I
I ae, tc bo, to..............
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be I
I a I 0%
b 10%
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(VALVE CLOSED>
(VALVE OPEN>
52 AC CIRCUIT BREAKER SUFFIX LETTER:
a b
AUXILIARY CONTACT - OPEN WHEN MAIN CONTACTS ARE OPEN AUXILIARY CONTACT - CLOSED WHEN MAIN CONTACTS ARE OPEN NOTES I.
- 2.
EXCEPT WHERE INDICATED OTHERWISE THE FOLLOWING IS TRUE:
ALL LOGIC CIRCUITS ARE REDUNDANT. ALL INSTRUMENT CHANNELS, BISTABLES, ANNUNCIATORS, COMPUTER INPUTS, AND INDICATOR LAMPS ARE NOT REDUNDANT.
MANUAL CONTROL DO NOT HAVE REDUNDANT ACTUATORS, BUT DO HAVE REDUNDANT CONTACTS WHERE LOGIC IS REDUNDANT.
ALL INDICATOR LAMPS, COMPUTER INPUTS & ANNUNCIATORS ARE CONNECTED TO BOTH TRAINS SO THAT A SIGNAL IN EITHER TRAIN WILL ACTUATE.
THIS SET OF DRAWINGS IS IDENTICAL FOR UNITS I & 2 EXCEPT FOR THE TAG NUMBERS.
FOR UNIT I, TAG NUMBERS ADD A "I". EXAMPLE; IPC-455E FOR UNIT 2, TAG NUMBERS ADD A 2. EXAMPLE; 2PC-455E
- 3. WHENEVER A PROCESS SIGNAL IS USED FOR CONTROL AND IS DERIVED FROM A PROTECTION CHANNEL, I SOLA TI ON MUST BE PROV I OED.
- 4. THIS DRAWING ILLUSTRATES THE FUNCTIONAL REQUIREMENTS OF THE REACTOR CONTROL AND PROTECTION SYSTEM. THIS DRAWING DOES NOT REPRESENT ACTUAL HARDWARE IMPLEMENTATION.
FOR HARDWARE IMPLEMENTATION, REFER TO THE APPLICABLE SCHEMATIC.
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- 5. SHEET NUMBERS REFER TO THE REFERENCE NUMBERS~
REFERENCES WE DWG PG&E DWG I. FUNCTIONAL LOGIC DIAGRAM INDEX AND SYMBOLS ____________________________________ 5653D74-I ______ 495841
- 2. FUNCTIONAL LOGIC DIAGRAM REACTOR TRIP SIGNALS _________________________________ 5653D74-2 ______ 495842
- 3. FUNCTIONAL LOGIC DIAGRAM NUCLEAR INSTR AND MANUAL TRIP SIGNALS
_________________ 5653D74-3 ______ 495843
- 4. FUNCTIONAL LOGIC DIAGRAM NUCLEAR INSTR PERMISSIVES AND BLOCKS ___________________ 5653D74-4 ______ 495844
- 5. FUNCTIONAL LOGIC DIAGRAM PRIMARY COOLANT SYSTEM TRIP SIGNALS ____________________ 5653D74-5 ______ 495845
- 6. FUNCTIONAL LOGIC DIAGRAM PRESSURIZER TRIP SIGNALS _____________________________ 5653D74-6 ______ 495846
- 7. FUNCTIONAL LOGIC DIAGRAM STEAM GENERATOR TRIP SIGNALS __________________________ 5653D74-7 ______ 495847
- 8. FUNCTIONAL LOGIC DIAGRAM SAFEGUARDS ACTUATION SIGNALS _________________________ 5653D74-8 ______ 495848
- 9. FUNCTIONAL LOGIC DIAGRAM ROD CONTROLS AND ROD BLOCKS ___________________________ 5653D74-9 ______ 495849
- 10. FUNCTIONAL LOGIC DIAGRAM STEAM DUMP CONTROL ___________________________________ 5653074-10 _____ 495850
- 11. FUNCTIONAL LOGIC DIAGRAM PRESSURIZER PRESSURE AND LEVEL CONTROL _________________ 5653D74-I I----- 495851
- 12. FUNCTIONAL LOGIC DIAGRAM PRESSURIZER HEATER CONTROL ___________________________ 5653D74-l2 _____ 495852
- 13. FUNCTIONAL LOGIC DIAGRAM FEEDWATER CONTROL AND ISOLATION _______________________ 5653D74-13 _____ 495853
- 14. FUNCTIONAL LOGIC DIAGRAM FEEDWATER CONTROL AND ISOLATION _______________________ 5653074-14 _____ 495854
- 15. FUNCTIONAL LOGIC DIAGRAM AUXIL;ARY FEEDWATER PUMPS STARTUP _____________________ 5653D74-15 _____ 495855
- 16. FUNCTIONAL I 7. FUNCTIONAL
- 18. FUNCTIONAL LOGIC DIAGRAM TURBINE TRIPS, RUNBACKS & SIGNALS ______________________ 5653074-16 _____ 495856 LOGIC DIAGRAM AMSAC SIGNALS _______________________________________ 5653D74-17 _____ 495857 LOGIC TRIP ________________________________________ 8759D77 ________ 495858 I 9.
- 20.
2 I.
- 22.
FUNCTIONAL LOGIC DIAGRAM SEISMIC DIAGRAM DIGITAL FW CONT SYS INPUT SIGNAL VALIDATION ____________ 5653D74-18 _____ 495859
\\. 23.
FUNCTIONAL LOGIC DIAGRAM DIGITAL FW CONT SYS FW FLOW CONTROLLER & Cy DEMAND ______ 5653D74-19 _____ 495860 LOGIC DIAGRAM DIGITAL FW CONT SYS CONT VCV SEQ & TRACKING LOGIC _______ 5653D74-20 _____ 495861 FUNCTIONAL FUNCTIONAL LOGIC DIAGRAM DIGITAL FW CONT SYS SIGNAL SELECTOR LOGIC ______________ 5653D74-21 _____ 495862 DRAWING INDEX SOLID STATE PROTECTION SYS INTERCONNECTION & SCHEM. DIAGRAM --------108D442-1----- 458825 DWG TYPE DWG SUBJECT DRAWING TlTLE UNIT No,
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70 NUCLEAR SAFETY RELATED COAST VALLEYS DIVISION KEY DWG--SECTION _ 3_
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BY SUPV L HOLLOWAY OSGN l'ESTINGHOUSE UNIT I FUNCTIONAL LOGIC DIAGRAM INDEX AND SYMBOLS MICROFILM BILL OF MATL OWG LIST I
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DIABLO CANYON DEPART~ENT OF ENGINEERING SUPSOS 663 195 18 SUPSD BY SHEET NO, SHEETS NO.
DATE DESCRIPTJON GM/SPEC OWN CHKD SUPV APVD BY NO.
DATE DESCRIPTION GM/SPEC mJN CHKD SUPV APVO BY NO.
DATE R E V I S I O N S R E V I S I O N S 2
3 4
5 6
7 DESCRIPTION GWSPEC OWN CHKD SUPV APVD BY DATE R E V I S I O N S SCALES NONE 0
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8 4I I PACIFIC GAS AND ELECTRIC COMPANY SAN FRANCISCO, CALIFORNIA li;J. I I 9 495841 REV I
10 U2 - 495871 D
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