ML091380435
| ML091380435 | |
| Person / Time | |
|---|---|
| Site: | Oconee, Indian Point  |
| Issue date: | 04/15/2009 |
| From: | AREVA NP |
| To: | Office of Nuclear Reactor Regulation |
| References | |
| TSC 2007-09, Suppl 16 | |
| Download: ML091380435 (21) | |
Text
SM-902 J
Testing the functionality of PERAB ETE KeC wit c h ENABýStL E Keyxs W Sc
>TXS RTE PARAM Change Enable Testing - April 15, 2009 1
PARAMETER CHANGE ENABLE Keyswitch
> Each RPS Channel (A, B, C, D & E) and ESFAS Channel (A, B & C) and ESFAS Voter Train (EVEN and ODD) include a PARAMETER CHANGE ENABLE Keyswitch.
> The PARAMETER CHANGE ENABLE Keyswitches are administratively controlled and shall allow only one Channel to be placed into the PARAMETER CHANGE ENABLE position at a time.
> The Keyswitch contact is powered by 24VDC and is connected to an input channel on a S430 Digital Input Module for the TXS computer.
> 7XS RTE PARAM Change Enable Testing - April 15, 2009 2
7XS RTE PARAM Change Enable Testing - April 15, 2009 2
Task of PARAMETER CHANGE ENABLE S Keyswitch J
w Under normal operating conditions, the TXS processor is in the OPERA TION mode.
> 7XS RTE PARAM Change Enable Testing - April 15, 2009 3
TXS RTE PARAM Change Enable Testing - April 15, 2009 3
Task of PARAMETER CHANGE ENABLE Keyswitch
> 7XS RTE PA RAM Change Enable Testing -April 15, 2009 4
TXS RTE PARAM Change Enable Testing - April 15, 2009 4
Testing the functionality of PARAMETER CHANGE ENABLE Keyswitch confirms:J
> 7XS RTE PARAM Change Enable Testing - April 15, 2009 5
TXS RTE PARAM Change Enable Testing - April 15, 2009 5
Initial Conditions J
........ 00-Starting the test with the correct initial setting Case 0: Initial Conditions This section ensures that the test starts with the correct initial conditions.
Fe, Action Complete Verify that all Parameter Change Enable Keyswitches are in the off position for RPS Channels Al, B1, C1, and.D, ESFAS Channels A2, B2, and C2, ESFAS Voters F1, F2 and G1, G2, ESFAS Status Computers H1 and 11, and RPS Channel EiMSI.
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> 7XS RTE PARAM Change Enable Testing - April 15, 2009 6
> 7XS RTE PARAM Change Enable Testing - April 15, 2009 6
Parameter Change Enable Test J
Keyswitch "OFF" H
Here are two links which drive the Statalarms (TEST) and (TROUBLE ALARM) via the miscellaneous functions FU-0014 and FU-0019 (Ii k
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> 7XS RTE PARAM Change Enable Testing - April 15, 2009 7
> TXS RTE PARAM Change Enable Testing - April 15, 2009 7
Verification the acceptance criteria listed on the expected results J
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41127 S451 Annundlator Ch, A I SAS-05 Ch, B ISAS-17 Ch, C ISAS-29 Ch. D 1SAS-41 TROUBLE ALARM S45 1 R07 ChL A tSA5-02 Ch. B 1SA5-14 Ch. C ISAS-26 Chl D 1SAS-3, TEST
> 7XS RTE PARAM Change Enable Testing - April 15, 2009 8
> 7XS RTE PARAM Change Enable Testing - April 15, 2009 8
Parameter Change Enable Test 7XS RTE PARAM Change Enable Testing - April 15, 2009 ý 9
Parameter Change Enable Test J
'eyswitch
'OFF"
> TXS RTE PARAM Change Enable Testing - April 15, 2009 10
Parameter Change Enable Test
> TIXS RTE PARAM Change Enable Testing - April 15, 2009
Parameter Change Enable Test 9
Keyswitch "ON" I:_
> 7XS RTE PARAM Change Enable Testing - April 15, 2009 12
.> TXS RTE PARAM Change Enable Testing - April 15, 2009 12
Parameter Change Enable Test J
The above 3 steps confirm that after the Keyswitch is turned "OFF", the signal state is held by the latch logic.
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> IXS RTE PARAM Change Enable Testing - April 15, 2009
Parameter Change Enable Test
> IXS RTE PARAM Chanqe Enable Testing - April 15, 2009 14
Parameter Change Enable Test
> 7XS RTE PARAM Change Enable Testing - April 15, 2009 15 7XS RTE PARAM Change Enable Testing - April 15, 2009 15
Parameter Change Enable Test
> TXS RTE PARAM Change Enable Testing - April 15, 2009 16
Parameter Change Enable Test TXS RTE PARAM Change Enable Testing - April 15, 2009 17,
Parameter Change Enable Test
> IXS RTE PARAM Change Enable Testing -April 15, 2009 18
Parameter Change Enable Test N
> TXS RTE PARAM Change Enable Testing - April 15, 2009 19
Parameter Change Enable Test J-J 2
The above 3 steps set the Keyswitch function to normal operation by placing the Keyswitch into the "OFF" position and resetting the CPU.
J 20
> TXS RTE PARAM Change Enable Testing - April 15, 2009
Condition Report 2009-2237 coverage of the TEST and DIAG mode,
- *CR 2009-2237 addressed a question of coverage of the TEST and DIAG mode enable logic.
> 7XS RTE PARAM Change Enable Testing - April 15, 2009 21