Interlock Defeat / Device Disable
Management System v1.5 (Driver)

Accelerator Complex:



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Implementation Removal

Interlock Defeat


Targets

BL2C4 STF Supply Resistivity
Implementation: Number:
2024-04-19 16:45:00 2024-191

Ryan Lovelidge

Active
Estimated Duration:
99 weeks
STF Supply Resistivity reads "PLCDat" error causing cyclotron trip. This is a known problem; see Fault 13917. This signal should be used as a diagnostic readback only, and not as an interlock.







*Do not remove this defeat until supply resistivity signal has been removed as a BL2C4 interlock.

2
1. MCR defeats board.
2. STF bypass rack.
SAB2, rack 1A, BYP-043.

STF Return Resistivity and other STF interlocks active.





Ryan Lovelidge: 2024-04-19 16:41:16.526478
Defeat retired by accident, work was performed on the device but missed the part where it said to leave defeat until resistivity signal has been removed from the 2C4 interlock chain.