|
40m
QIL
Cryo_Lab
CTN
SUS_Lab
TCS_Lab
OMC_Lab
CRIME_Lab
FEA
ENG_Labs
OptContFac
Mariner
WBEEShop
|
| 40m Log |
Not logged in |
 |
|
|
 Mon Jun 3 16:46:31 2019, gautam, Update, IOO, IMC not locking 
|
 Tue Jun 4 10:56:31 2019, gautam, Update, IOO, IMC diagnostics
| |
Thu Jun 6 22:11:53 2019, Koji, Update, IOO, IMC diagnostics
| |
Thu Jun 13 18:01:18 2019, aaron, Update, IOO, IMC diagnostics
| |
Fri Jun 14 13:10:00 2019, aaron, Update, IOO, IMC diagnostics
| |
Mon Jun 17 12:37:16 2019, aaron, Update, IOO, IMC diagnostics
| |
Tue Jun 18 20:35:07 2019, aaron, Update, IOO, IMC diagnostics
| |
Wed Jun 19 19:12:51 2019, aaron, Update, IOO, IMC diagnostics
| |
Mon Jun 24 15:49:05 2019, aaron, Update, IOO, IMC diagnostics
| |
Tue Jul 2 19:36:18 2019, aaron, Update, IOO, IMC diagnostics
| |
Fri Jun 21 19:36:26 2019, Koji, Update, IOO, IMC diagnostics
| |
Sun Jun 23 08:09:53 2019, gautam, Update, IOO, NPRO diagnostics
| |
Sun Jun 23 09:36:32 2019, gautam, Update, IOO, IMC is locking normally again
| |
Sun Jun 23 14:43:14 2019, Koji, Update, IOO, IMC is locking normally again
| |
Mon Jun 24 08:12:10 2019, gautam, Update, IOO, IMC is locking normally again
| |
Mon Jun 24 11:48:35 2019, gautam, Update, IOO, IMC in-loop error spectra and OLTF
|
|
|
Message ID: 14688
Entry time: Sun Jun 23 09:36:32 2019
In reply to: 14687
Reply to this: 14689
14690
|
| Author: |
gautam |
| Type: |
Update |
| Category: |
IOO |
| Subject: |
IMC is locking normally again |
|
|
After typing up the elog, I decided to try locking the IMC again - now it locks again with the "OLD" gain settings. I tested it ~5 times, the autolocker brings the lock back and the PC drive levels are normal. IMC transmission and MC REFL DC light levels in lock are normal. The PC Drive RMS voltage is <1V. What's more, there is no longer any evidence of 60 Hz line harmonics any more in the PMC diagnostics channels. Compare attachment #1 to this elog.
WTF.
I undid the changes Koji made to the autolocker gains, and am trying the old settings again. Let' see how stable or otherwise the config is. I must've jiggled some poor cable connection back into a good spot while working on the PSL table?
Anyway, this helps Kruthi and Milind. |
|
|