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iochlc3 restored

Recent Log Entries
6 days 18 hours ago
Log Number: 4480706Logbook(s): Tags: Body: restorelib 3.0.1 Target restore date was 2026-03-27 19:57:56 The output from the myRestore execution was as follows: iochlc3 dumpDiffInterlocks@2026-03-27 19:57 72(72) restored vac@2026-03-27 19:57 17(17) restored systemEnum@2026-03-27 19:57 2(2) restored Execute: /usr/csite/certified/bin/ced2Epics -ced ced -A -i iochlc3 (success) PVs modified: 0 PVs modified: 0 PVs modified: 0 PVs modified: 0 PVs modified: 0 PVs modified: 0 PVs modified: 0 Procedure return status: Success
alarms

Autolog save

Recent Log Entries
6 days 18 hours ago
Log Number: 4480703Logbook(s): Tags: Body: saver ran from opsl632

Saved: shriner 03-27-26 19:56:07 {A:i B:5 C:2 E:345 A=BS B=BS C=Tune D=BS 0R08=4.68 dump(s) in. beam in Hall C.
shriner

HYST AREA 7-0 Cycles Magnets

Recent Log Entries
6 days 18 hours ago
Log Number: 4480702Logbook(s): Body: 

HYST AREA Version 7-0 has successfully cycled the following:

MBD3C00V
MBD3C00AV
MBC3C01H
MBC3C02V
MBC3C03H
MBC3C04H
MBC3C04V
MBC3C05V
MBC3C06H
MBC3C06V
MBC3C07H
MBC3C07V
MBC3C09V
MBC3C11V
MBC3C13V
MBC3C15V
MBC3C16H
MBC3C17V
MBD3C17H
MBC3C18V
MBC3C18H
MBC3C19V
MBC3C19H
MCE3P01H
MCE3P03H
MBC3C20V
MBC3C20H
MBC3C21V
MBC3C21H
MBD3H02V
MBD3H02H
MBD3H05V
MAP3H07H

Total Time: 1.767 mins

shriner

HYST AREA 7-0 Cycles Magnets

Recent Log Entries
6 days 18 hours ago
Log Number: 4480701Logbook(s): Body: 

HYST AREA Version 7-0 has successfully cycled the following:

MBD3C00V
MBD3C00AV
MBC3C01H
MBC3C02V
MBC3C03H
MBC3C04H
MBC3C04V
MBC3C05V
MBC3C06H
MBC3C06V
MBC3C07H
MBC3C07V
MBC3C09V
MBC3C11V
MBC3C13V
MBC3C15V
MBC3C16H
MBC3C17V
MBD3C17H
MBC3C18V
MBC3C18H
MBC3C19V
MBC3C19H
MCE3P01H
MCE3P03H
MBC3C20V
MBC3C20H
MBC3C21V
MBC3C21H
MBD3H02V
MBD3H02H
MBD3H05V
MAP3H07H

Total Time: 1.817 mins

shriner

MBSY3C Overcurrent trip point increased at power supply

Recent Log Entries
6 days 19 hours ago
Log Number: 4480697Logbook(s): Entry Makers: alexsBody: 

MBSY3C's trip points were erroneously set for a lower operating current than required by EDT. Rather than the 30 amps it had been set up for, the design setpoint pulls 58.8 amps, which trips the overcurrent interlock. With guidance from DC Power on-call, the overcurrent trip point was increased locally at the power supply to ~100 amps, the HMAX value was updated to 85 amps, and the magnet is now up and running at its design setpoint.

alexs

Follow-up Re: Hall C nitrogen vent stack O2 concentration

Recent Log Entries
6 days 19 hours ago
Log Number: 4480695Logbook(s): Body: 

We typically allow up to 2% O2 at 80 uA, so as per past guidance we should limit the current such that we don’t exceed that ratio. So 8% O2 at 20 uA and as we are running low currents you are far from that limit , BUT it shouldn’t keep rising and if it does something has likely tripped off.

From my notes:

Design / alarm guidance:

• Hall A/C dump nitrogen environment is expected to stay below 2% O₂

• Exceeding thresholds is treated as an indicator of nitrogen‑system failure or sensor issues

doug

Hall C dipole HMAX should be 85

Recent Log Entries
6 days 19 hours ago
Log Number: 4480694Logbook(s): Entry Makers: alexsBody: 

The Hall C dipole's overcurrent trip point was set lower than the operating current required by EDT. DC Power on-call advised we change HMax to 85 now, but warned that if the ioc was rebooted, the previous erroneous value of 33 would be restored. Could someone ensure that value on the ioc gets updated to 85?

alexs

Shift Information

Shift Day
CEBAF Program
MCC Crew Chief Blackshaw
MCC Operators Schoene, Janak
Program Deputy Malace
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