Aggregator

Log Number: 4361679Logbook(s): 

• ELOG

Tags: 

• Autolog

Body: saver ran from opsl07

Saved: lrichard 04-20-25 14:58:01 {A:3 B:5 C:5 E:1060 A=CW B=CW C=CW D=CW 0R08=8.79 No dumps in.

Log Number: 4361676Logbook(s): 

• ELOG

Entry Makers: schoeneBody: 

Monitoring for now, will page DCP and FML if temps exceed 85 degrees again.

Log Number: 4361652Logbook(s): 

• ELOG

Entry Makers: shrinerBody: 

took setpoint and cycled

Log Number: 4361634Logbook(s): 

• ELOG

Tags: 

• BeamAccounting

Body:  Accelerator PHYSICS STUDIES RESTORE ACC DOWN OFF (SAM) Planned 8 0 0

Log Number: 4361616Logbook(s): 

• ELOG

Entry Makers: schoeneBody: 

Spoiled by an RF trip.

:/

Log Number: 4361589Logbook(s): 

• ELOG
• RADLOG

Entry Makers: beneschBody: 

Also seen at 7S00, just to the wall side of the first BCOM beam pipes, and 9S00 per figure 2.

Log Number: 4361588Logbook(s): 

• ELOG

Entry Makers: schoeneBody: 

Also does not include associated buildings in that corner of the site, the CH and xD Cryo Plant. Don't want anyone feeling left out.

Log Number: 4361577Logbook(s): 

• ELOG

Entry Makers: mockBody: 

This cavity pair has been tripping frequently on waveguide only. WG vacuum sits around 2.6e-8 and spikes up two orders of magnitude. Can the waveguide vacuum be looked at when time permits? According to Cavity history, the rate is independant of GSET.

Log Number: 4361573Logbook(s): 

• POLOG
• ELOG

Body: 
Record

Log Number: 4361543Logbook(s): 

• ELOG

Entry Makers: shrinerBody: 

took setpoint and cycled; will probably swap trim card later.

Log Number: 4361534Logbook(s): 

• ELOG

Entry Makers: alexsBody: 

OMNL01 looks like it's been slowly going downhill over the past couple months, and is now in warning territory in the alarm handler. Might be due for some PM when time permits.

Log Number: 4361526Logbook(s): 

• ELOG

Entry Makers: bbarkerBody: 

This BLM's HV readback seems to be falling out of range, bouncing between values of ~720-730 V. SSG was contacted, but instructed MCC to continue monitoring the voltage as this discrepancy in voltage is relatively minor and to re-contact them should voltage drop below 700 V.

Log Number: 4361525Logbook(s): 

• ELOG

Entry Makers: alexsBody: 

Took setpoint and cycled

Log Number: 4361517Logbook(s): 

• ELOG

Entry Makers: mockBody: 

With 1L09 being the new zone in the NL after this past SAM, and the issues with fudge have only showed up after this past SAM, wanted to check out the response of 1L09 when adjusting NL fudge.

Compared against other C100 cavities of the same gradient setpoint that I could find to match a 1L09 cavity.

Seems as though 1L09 responds the same as the C100 cavities for the 3 out of 5 cavities I could find the same setpoint for.

Log Number: 4361514Logbook(s): 

• HBLOG
• ELOG

Body: 

Could someone please post the PDF of the hall B beamline linked on the OPs menu here:
http://opsntsrv.acc.jlab.org/ops_docs/online_document_files/MCC_online_f...
https://epicsweb.jlab.org/wmenu/#HallBBeamDeliveryOptions-page

It requires a microsoft login account to view the linked pdf. This should probably be fixed to allow cue accounts too, or better yet, no accounts to view.

Log Number: 4361512Logbook(s): 

• ELOG

Body: IDDescriptionPeriodCause 13872Title:
ILM5E03 HV Mismatch

Summary:
ILM5E03 is mismatching HV. Power cycling did not bring it back within spec.

Log Number: 4361507Logbook(s): 

• ELOG

Entry Makers: bbarkerBody: 

This BLM is having HV mismatch issues. Tried cycling HV on/off, but we continued to see the same HV mismatch alarm. SSG ha sbeen contacted and is investigtating.

Log Number: 4361503Logbook(s): 

• ELOG

Body: IDDescriptionPeriodCause 13872Title:
ILM5E03 HV Mismatch

Summary:
ILM5E03 is mismatching HV. Power cycling did not bring it back within spec.

Log Number: 4361498Logbook(s): 

• ELOG
• RFLOG

Tags: 

• Autolog

Body: 

The OPS DRVHs for the following cavities have been updated:
2L08-3
Username: benesch
Date/Time: 04-20-25_09:52:11
RF Status: Good
Tuner Status: Good
Comment: DRVH=7.900 Arc Rate Management four at 8.01, irregular spacing
Previous OPS DRVH: 8.3
Special Instructions:

Log Number: 4361496Logbook(s): 

• ELOG
• RFLOG

Tags: 

• Autolog

Body: 

The OPS DRVHs for the following cavities have been updated:
1L08-7
Username: benesch
Date/Time: 04-20-25_09:50:44
RF Status: Good
Tuner Status: Good
Comment: DRVH=6.000 Arc Rate Management shorter interval after reduction to 6.2?
Previous OPS DRVH: 6.2
Special Instructions: