ML21055A253

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3 to Updated Final Safety Analysis Report, Drawing 6I721-2140-05, Logic Diagram Neutron Monitoring System (Part 5)
ML21055A253
Person / Time
Site: Fermi, 07200071  
Issue date: 02/02/2021
From:
DTE Electric Company
To:
Office of Nuclear Reactor Regulation, Office of Nuclear Material Safety and Safeguards
Shared Package
ML21055A091 List: ... further results
References
NRC-21-0002
Download: ML21055A253 (1)
v • d • e


Text

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BYPASS SVITCH PERIPHERAL i

I GA[N ADJUST IN BYPASS ROD I

NOT SUCCESSFUL POSITION j

I 1---...-----1 (THIS CHANNEL)

SELECTED I

i AUXILIARY CR AUXILIARY I CR AUXILIARY I CR I

I DEVICE DEVICE DEVICE i

L--*--*-*---*------*-*-*-*-*-*--*-*-*-*---*-*-*-*-*-*--*-*--*--*--*-*-*-*-*-*-*-*-*-*-*-*--*--*-*-*-*-*-*--*-*--*--*-----*-*---*-*-*-*-*-*-*-*-*-*-*-*-*--*-*-------*-*-*-*-*-----*-1 DETAIL D L-------1--------

  • -*-*-*-~--*--*

41 FL w' UPSCALE ALARM AUXILIARY CR DEVICE 4

PART OF RBM CHASSIS DISPLAY r---------------------------, r------------,

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iPART

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IAPRM l

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TYPICAL OF I72 LPRMS 2

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40 ALARM ON INSTRUMENT

!NOPE RA TIVE AUXILIARY CR DEVICE r--:F'"'L""'""w".,.._,A_,.L.,.AR"'M':-=1 ON MPARATOR AN MODE Sw'ITCH IS IN 'RUN' AUXILIARY DEVICE CR BYPASS Sw'ITCH IN BYPASS POSITION

<THIS CHANNEL)

AUXILIARY DEVICE CR LPRM UPSCALE ALARM AUXILIARY CR DEVICE LPRM DD\\./NSCALE LPRM BYPASS IN BYPASS LPRM INPUT TO RBM BELD\\J RESET LEVEL ALARM POSITION FOR RBM USE AUXILIARY CR DEVICE AUXILIARY CR DEVICE AUX1LIARY CR DEVICE L--*--*-*-*-*--*-*--*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*- ---*-*-* -----*-*-*-*~

L--*-*-*--*-*-*-*-*-*-*-*-*-*-*-*---*-*-*--*-*-*-*--*-*-*J I

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DETAIL F r*-*-*-----*-----,

r*------*-*1 RBM ODA PART OF RBM ODA PART OF APRM ODA !

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j PART OF REMOTE INDICATION IN CONTROL ROOM ANNUNCIATORS IN CONTROL ROOM INPUTS TD COMPUTER PART OF ROD w'ITHDRAIJAL BLOCK SYSTEM RBM BYPASS PART OF ROD w'ITHDRAw'AL BLOCK SYSTEM r----------------------- ---------------------------------------------------------------

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PERMISSIVE w'HEN AUTO SIGNAL NOT PRESENT r*-------- -*-*-* *-*-* * *-*-*-*-*-* * *-*-*-*-*-*--*-*-*-*--*-*-*7 i ~ 31 32 33

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RBM UPSCALE ALARM OR V HT 1--....::.l N:.::S;.;.T:..;R:::.UM:.;:E:..;N:.::T....:;IN:.::

.P:.;:E:.::R:..;A.;.Tl:,;Vc:E;_;T:.::R:::.I p-=,t.,--,----

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~----~ _-_-_-_-_-:'.,_RB_M_D__w'_N_s_c_A_LE_A_L_A_R_Mn-t---.---,---

FROM RBM CHANNEL B FC PERMISSIVE w'HEN AUTO SIGNAL IS NOT PRESENT

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V INSTRUMENT INOPERATIVE ALARM DR FL w" COMPARATOR ALARM r*-*---- -----* *---- * *-*----*---*---*-*-*-*-*----*---*----*-*7 VIA MVD B

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j L--*-*-*-*---*-*--*--*-*-*-*-*-*-*-*-*-*--*-*-*-*-*---*-*-*-*-*_J GAIN ADJUST IN PROGRESS OR INSTRUMENT INOPERATIVE TRIP RBM UPSCALE ALARM OR INSTRUMENT INOPERATIVE TRIP RBM D w'NSCALE ALARM 8

PERMISSIVE \\/HEN AUTO SIGNAL NOT PRESENT L,*_ -

PERMISSIVE WHEN AUTO SIGNAL NOT PRESENT r*-* *-*------- *-----* ----- ------------* -------------*-*7 I

30 31 32

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35 gg 37 g!j~i L--*-*-*-*-*-*--*-*-*-*-*-*-*-*----*-*-*-*--*---*-*-*--*-*-*-*J RBM BYPASSED MANUAL DR AUTOMATIC 5 G8,F8,E8,D8,D6 SA 5 D7, PERMISSIVE w'HEN AUTO SIGNAL NOT PRESENT G6,F6,E6,D6 GAIN ADJUST IN PROGRESS r*-*-*-*-*--*-*-*--*-*-* *-*-* *-*-* -*--* *-*-* -*---*-*-*-*-*

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34 35 36 37 g!}

39 i L---*---*------------*-*-*-*-*-*-*-*-*-*-*-*-*-*--*-----*-*-*-*J B

PERMISSIVE \\/HEN.

AUTO SIGNAL NOT PRESENT FROM RBM CHANNEL B THIS FUNCTION ACTIVATES AN INSTRUMENT INOPERATIVE TRIP~ <TYPICAL 6 PLACES) r:------ ---------------------------------------------------------7 RBM APRM REF PERIPHERAL GAIN ADJUST NO ROD ROD OUT I HIGH DO',/NSCALE INOPERATIVE DO',iNSCALE BYPASS ROD IN PROGRESS SELECTED Ifl-lIBIT REMOTE INDICATION IN CONTROL ROOM

~~

PART APRM r--------7r-------7 OF I, /,, :1, ODA I II I

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1APRM

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r*-* --*-- *-----* *-*----*,

j 41 42 43 44 j L_ ________________________ '.J OF ODA REMOTE INDICATION IN CONTROL ROOM FL w' UPSCALE

~HTl-f+------..----0------------,------ FROM FLw' FUNCTION V

IN APRM CHANNELS 2 ~ 4 ANNUNCIATORS IN CONTROL ROOM INPUTS TD COMPUTER PART OF ROD w'ITHDRA\\JAL BLOCK SYSTEM VIA MVD ARBITRARILY NUMBERED--~

TO RELATE TO FUNCTION SH w'N IN DETAIL E.

SEE DETAIL E <TYPICAL OF FL w' FUNCTION IN 4 APRM CHANNELS [41, 42, 44)

AND FL w' FUNCTIONS IN PERMISSIVE w'HEN BYPASS Sw'ITCH IS NOT IN BYPASS SEE APRM PERMISSIVE w'HEN BYPASS Sw'ITCH IS NOT IN BYPASS r*-* *-*-*- -----*------- *7 j

41 42

~ 44 I L--------*-*-*-*--*-*-*-*-*J MULTIPLEXED Ilus SEE APRM r- ---*- -------*---- -*,

I 41 42

~ 44 I L_ _______________________ J FL w' UPSCALE ALARM OR ALARM ON INSTRUMENT INOPERATIVE PERMISSIVE w'HEN BYPASS Sw'ITCH IS NOT IN BYPASS r-* ---*- -----*-*-*- *7 j

41 42

~ 44 !

L. -------*--------------J PERMISSIVE w'HEN BYPASS Sw'ITCH IS NOT IN BYPASS r*-* *--- *-*-*-*-*--.,

41 42

~ 44 !

L--*-*---*--*-*--*--*-*J FLw' FUNCTION IN APRM CHANNELS I & 3 (TYPICAL FDR APRM CHANNELS 2 & 4)

Tw'O RBM CHANNELS [42, 43, 441 FC FROM FLOw' FUNCTION IN RBM ANNUNCIATORS IN CONTROL ROOM t--cHANNEL B PERMISSIVE w'HEN BYPASS Sw'ITCH IS NOT IN BYPASS SEE RBM r*-*---*--*-*-* *-*-*--*,

I ~ 42 43 44 I L_ _________________________ J (6B"\\

FROM FLw' FUNCTION r\\.[DJ'""l

=t-*---IN APRM CHANNELS 2 & 4

<I PERMISSIVE w'HEN I \\--,

BYPASS Sw'ITCH IS NOT IN BYPASS I /

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!~~~44i L--*-*-*-*--*-*-*--*-*-*-*J FLw' COMPARATOR FUNCTION RBM CHANNEL A

<TYPICAL FOR RBM CHANNEL B)

LEGEND (TYPICAL OF 172) L:. ~---*:. ::...J I

i RBM ODA L.___ _ ___ _j

~MB 7HT PERMISSIVE w'HEN AUTO SIGNAL NOT PRESENT AUXILIARY DEVICE CR r- *----- ------ *-*,

51 52 53 i

L,---*-*-*-*-*--*-*-*..J LPRM Dw'NSCALE ALARM LPRM UPSCALE ALARM PERMISSIVE w'HEN AUTO j

SIGNAL NOT PRESENT

\\tUXILIARY DEVICE CR I PERMISSIVE \\/HEN LPRM IS ONE OF THE SELECTED GROUP BEING DISPLAYEC AUXILIARY DEVICE CR r.- --,

i 40 I L.; ____ :.J r---.!---- ---*-** *-7 ARBITRARILY NUMBERED--,,,

RELATE TD FUNCTION SHw'N IN DETAIL F.

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<TYPICAL FO_R_1_1_2_L_P_RM __,.L---*---*-----*-*-*J CHANNELS>

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LOCAL P IJER

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FROM OTHER 17I LPRMS 1

ROD BLOCK MON! T RING LOCAL POWER RANGE MONITORING FLOV UNIT GAIN ADJUST

NT SUCCESSFUL I

18 I

I RBM CHASSIS DISPLAY i.------ RANGE MONITORING-------!

I L __ Th~

LOCAL INDICATION LEGEND 30 PERMISSIVE IF AUTO >----'

SIGNAL NOT PRESENT 31 32 ARBITRARILY NUMBERED 33 35 36

~So~~L~~E D~~ Ai~N£TIF!~?*j*-j-;;;j-j~f-l I. 3:~ j-1 ;,4-I *7* 3,~ j-*1;,6* I *7*3,; f--1 ~,s.I *1*3,~ (l (fy~Igf ~ ~~R n2 RBM cHA~NELs>* -~----*------------------*---*-*------*-*---*-*-*-*----..1 ROD BLOCK MONITORING CHANNEL A (TYPICAL FOR CHANNEL B)

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'.i B DCD"S INCORPORATED, EDP-28916 REV ¢ CHANNEL NOTE, SEE 1-2140-01 FDR NOTES, REFERENCES AND LEGEND.

61721-2140-05 nus DRAWING WAS REFORMA'M'ED BY AUTOCAD AT REVISION A. ALL PREVIOUS APPROVAL SlGNATURES ARE ON FD.,E ON MICROFILM m DOCUMENT CONTROL TC A PQRl'JON OF THIS DRAWING IS AITECTED BY THE FOLLOWJNG:

CHANGE DOCUMENT INC.CODE u

PREPARED BY DATE TITLE LATEST REVISION B

NUCLEAR SAFETY RELATED THIS IS AN AUTOCAD PRODUCED DRAWING.

CHANGES OR REVISIONS MUST BE BROUGHT TO THE ATTENTION OF THE PLANT ENGINEERING DESIGN GROUP TO ENSURE THAT CONFIGURATION CONTROL IS MAINTAINED.

Detroit Edison Fermi 2 LOGIC DIAGRAM NEUTRON MONITORING SYSTEM (PART 5)

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B CHECKED BY DATE e--------------+---+--------1--~=~-t-~'-i----------------------1A 0 THER REVISIONS:

APERTURE CARD TITLE 8

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5 4

PREPARED BY DATE CH~~ Bt T. RIFFNER 7 /31/00 D. re o::v~J..,

APPROVED BY

. (. i)ll-4 I ~(; r.Jl,---,i

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3 OAff DATE EDP POSTING ENTRIBS REQUIRE THE ADDrrION OF THE ARMS STATUS CODE:

EITHER H AFC" OR H ASD" LOGIC DIAG NM SYSTEM PART 5 APPROVED BY PLANT IDENTIP"ICATION SYlSTEM NUMBER C5100 ARMS RECIPIENT#

OTHER APPROVALS DATE DOCUM*NT TYPE CODEDDDINC Nt.lC OPS Ftl..E NO.

DATE ISSUED TO IS 1801 DRAW.NO NUMBER 61721-2140-05 B

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