Interlock Defeat /
Device Disable
Management System
v1.5
(Driver)
Accelerator Complex:
Driver
RIB
TR13
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Implementation
Removal
Interlock Defeat
System(s) Affected:
Safety
Interlock to be Defeated:
STF 7 : Target return resistivity.
Implementation:
Number:
Date:
2023-10-10
Time:
18:15:00
2023-555
Implemented By:
Frank Hosta
In Consultation With:
Status:
Removed
Estimated Duration:
16 hours
Reason for Defeat:
Resistivity not recovering without beam on. Message reader being flooded with messages.
Number of Yellow Tags:
2
Location of Defeat Tag(s):
1) CR DFT board
2) CR Rack M (STF display)
How Was Defeat Implemented?
Where is Defeat Located?:
dis STF,7 on XScan
Describe Alternate Protection:
Cyclotron off for shutdown.
Fault Reports:
Work Permits:
Disables:
Interlock Defeat
Removal:
Number:
Date:
2023-10-11
Time:
21:30:00
2023-555
Removed by:
Frank Hosta
Status:
Removed
Interlock Verification Method:
en stf,7 and en stf,8
Number of Tags Removed:
2
Comments:
Frank Hosta:
2023-10-10 18:29:03.368576
This defeat is for record keeping purposes. The element will be disabled overnight, but is needed for the next day when beam goes to STF.
Frank Hosta:
2023-10-11 21:26:00.250878
Beam injected to STF. Needed for operation.
Brandon Humphries
David Bandiera
Elena Bylinskaia
Jason Wait
Robert Scheepmaker
Eric Chapman
Ryan Lovelidge
Riley Schick-Martin
Dale Nagra
Travis Kurucz
Chris Sooley
Kevin Lucow
Jas Uppal
Kathleen Genge
Gauhar Hayat
Frank Hosta
Ryan Anderson
