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COMMENT ON BPM Maintenance
COMPLETED RF Maintenance for the week of July 20th through July 26th, 2026
COMPLETED LOTO 1L12 to Troubleshoot and Restore
FSD Masking Tool: Successful System UN-Masking for: BeamLossMonitor
Log Number: 4532231Logbook(s): Tags: Body: System UN-Masking for: BeamLossMonitor
User: schoene
Areas: All
BeamLossMonitor Devices:
ILM0I07
ILM0L01A
ILM0L01B
ILM0L02
ILM2D00A
ILM2D00B
ILM0L04A
ILM0L04B
ILM0L05
ILM0L06A
ILM0L08
ILM0R01
ILM4D00
ILM0R03
ILM0R04
ILM0R06
ILM0R08
ILM0R09
ILM1L01
ILM1L02
ILM6R08
ILM3S00
ILM7S00
ILM9S00
ILM5S10
ILM5E03
ILM7S01
ILM9A01
ILM3E02
ILM5A01
ILM1A04
ILM1A06
ILM1A09
ILM5A10
ILM1A16
ILM1A19
ILM3R10
ILM9R07
ILM1R09
ILM2L03
ILM5R10
ILM5R05
ILM2L01
ILM2T09
ILM
User: schoene
Areas: All
BeamLossMonitor Devices:
ILM0I07
ILM0L01A
ILM0L01B
ILM0L02
ILM2D00A
ILM2D00B
ILM0L04A
ILM0L04B
ILM0L05
ILM0L06A
ILM0L08
ILM0R01
ILM4D00
ILM0R03
ILM0R04
ILM0R06
ILM0R08
ILM0R09
ILM1L01
ILM1L02
ILM6R08
ILM3S00
ILM7S00
ILM9S00
ILM5S10
ILM5E03
ILM7S01
ILM9A01
ILM3E02
ILM5A01
ILM1A04
ILM1A06
ILM1A09
ILM5A10
ILM1A16
ILM1A19
ILM3R10
ILM9R07
ILM1R09
ILM2L03
ILM5R10
ILM5R05
ILM2L01
ILM2T09
ILM
JAM: CEBAF Beam Authorization Updated
Log Number: 4532230Logbook(s): Tags: Body: [figure:1]
Always check the Authorization web application for the latest status: JLab Authorization Manager
APPROVED B.67: Replace exterior HID lights with LEDs
AutoLog - Masking Hall C Normal Target
COMMENT ON Replace 20A MQVAA03
QuickPic - Hall C Full Survey
QuickPic - LERF RadCon Checklists
LERF SSA reactive power fractions set to 0.492 (4kW available for amplitude/gradient)
Log Number: 4532213Logbook(s): Entry Makers: michaelmBody:
4kW admin limit of 7kW available SSA power is 57.14% of power budget.
SSA Calibration drive max is performed at 80% of available power per procedure [Characterization > SSA]
This fixes the SSA drive limit of 80% (0.8) once performed, but one is able to set reactive power fraction to further limit the available power by reserving it for phase feedback.
With 80% SSA drive limit, a value of 49.2% reserved for phase feedback limits the available power for amplitude control (aka gradient level) to 57% of the SSA power before tripping on overrange.
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FSD Masking Tool: Successful System Masking for: BeamLossMonitor
Log Number: 4532208Logbook(s): Tags: Body: System Masking for: BeamLossMonitor
User: schoene
Areas: All
BeamLossMonitor Devices:
ILM0I07
ILM0L01A
ILM0L01B
ILM0L02
ILM2D00A
ILM2D00B
ILM0L04A
ILM0L04B
ILM0L05
ILM0L06A
ILM0L08
ILM0R01
ILM4D00
ILM0R03
ILM0R04
ILM0R06
ILM0R08
ILM0R09
ILM1L01
ILM1L02
ILM6R08
ILM3S00
ILM7S00
ILM9S00
ILM5S10
ILM5E03
ILM7S01
ILM9A01
ILM3E02
ILM5A01
ILM1A04
ILM1A06
ILM1A09
ILM5A10
ILM1A16
ILM1A19
ILM3R10
ILM9R07
ILM1R09
ILM2L03
ILM5R10
ILM5R05
ILM2L01
ILM2T09
ILM8T0
User: schoene
Areas: All
BeamLossMonitor Devices:
ILM0I07
ILM0L01A
ILM0L01B
ILM0L02
ILM2D00A
ILM2D00B
ILM0L04A
ILM0L04B
ILM0L05
ILM0L06A
ILM0L08
ILM0R01
ILM4D00
ILM0R03
ILM0R04
ILM0R06
ILM0R08
ILM0R09
ILM1L01
ILM1L02
ILM6R08
ILM3S00
ILM7S00
ILM9S00
ILM5S10
ILM5E03
ILM7S01
ILM9A01
ILM3E02
ILM5A01
ILM1A04
ILM1A06
ILM1A09
ILM5A10
ILM1A16
ILM1A19
ILM3R10
ILM9R07
ILM1R09
ILM2L03
ILM5R10
ILM5R05
ILM2L01
ILM2T09
ILM8T0
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Laser C Set to 250 MHz
Autolog restore
VBV2L13B VVC, ABIL tag #8949, Expected Removal Date changed.
Log Number: 4532196Logbook(s): Body: The following Bypassed Interlock had it's Expected Removal Date changed in the Accelerator Bypassed-Interlocks Log (ABIL)
Previous Expected Removal Date: 01 Aug 2026
New Expected Removal Date: 30 Nov 2026
Who made the change: mathewam
Justification for the change: Will be addressed during SAM
VTC1A14, ABIL tag #8929, Expected Removal Date changed.
Log Number: 4532199Logbook(s): Body: The following Bypassed Interlock had it's Expected Removal Date changed in the Accelerator Bypassed-Interlocks Log (ABIL)
Previous Expected Removal Date: 01 Aug 2026
New Expected Removal Date: 30 Nov 2026
Who made the change: mathewam
Justification for the change: Will be addressed during SAM










