40m
QIL
Cryo_Lab
CTN
SUS_Lab
TCS_Lab
OMC_Lab
CRIME_Lab
FEA
ENG_Labs
OptContFac
Mariner
WBEEShop
|
40m Log |
Not logged in |
 |
|
Fri Sep 16 19:48:52 2016, Lydia, Update, General, Alignment status
|
Sat Sep 17 02:00:23 2016, rana, Update, SUS, Alignment status
|
Sat Sep 17 16:51:01 2016, Lydia, Update, SUS, Alignment status
|
Sun Sep 18 16:18:05 2016, rana, Update, SUS, Alignment status
|
Mon Sep 19 11:11:43 2016, ericq, Update, SUS, Alignment status
|
Mon Sep 19 22:03:10 2016, ericq, Update, General, Further recovery progress
|
Tue Sep 20 10:45:06 2016, rana, Update, General, Further recovery progress
|
Wed Sep 21 01:08:02 2016, ericq, Update, General, Further recovery progress
|
Wed Sep 21 09:04:57 2016, Steve, Update, General, 8 hours recovery progress
|
Thu Sep 22 15:44:21 2016, Steve, Update, General, ITMX magnets are stucked again
|
Thu Sep 22 20:01:47 2016, Lydia, Update, General, ITMX freed, all optics kicked
|
Thu Sep 22 22:52:08 2016, ericq, Update, General, Damping found to be on
|
|
Message ID: 12502
Entry time: Sat Sep 17 16:51:01 2016
In reply to: 12501
Reply to this: 12503
|
Author: |
Lydia |
Type: |
Update |
Category: |
SUS |
Subject: |
Alignment status |
|
|
Here's the timeseries plots. I've zoomed in to right after the problem- did you want before? We pretty much know what happened: c1susaux was restarted from the crate but the damping was on, so as soon as the machine came back online the damping loops sent a huge signal to the coils. (Also, it seems to be down again. Now we know what to do first before keying the crate.) It seems like both right side magnets are stuck, and this could probably be fixed by moving the yaw slider. Steve advised that we wait for an experienced hand to do so.
Quote: |
All is not lost. I've stuck and unstuck optics around a half dozen times. Can you please post the zoomed in time series (not trend) from around the time it got stuck? Sometimes the bias sliders have to be toggles to make the bias correct. From the OSEM trend it seems like it got a large Yaw bias. May also try to reseat the satellite box cables and the cable from the coil driver to the cable breakout board in the back of the rack.
|
|
|
|