| ID |
Date |
Author |
Type |
Category |
Subject |
Text |
 |
|
14927
|
Wed Oct 2 23:23:02 2019 |
gautam | Update | CDS | c1oaf DC indicator needs to be green | Today, I found out that this type of "0x2bad"
DC error is connected to the 1e+20 cts output.
The solution was to bite the bullet and stop/start |
|
|
14939
|
Fri Oct 4 01:57:09 2019 |
Koji | Update | CDS | c1iscaux testing | The AA filter for ASDC was fixed.
== Test Status ==
[done] |
|
|
14941
|
Fri Oct 4 22:22:03 2019 |
gautam | Update | CDS | Final incarnation of latch.py | [KA, GV]
This elog is meant to be a summary
of some of the many subtleties |
|
|
14942
|
Sat Oct 5 00:03:21 2019 |
Koji | Update | CDS | c1iscaux testing | [Gautam, Koji]
Input gain part of the
CM servo board D1500308 |
|
|
14947
|
Tue Oct 8 03:19:14 2019 |
Koji | Update | CDS | Final incarnation of latch.py | Now with the CM board tested with the signal
injected, it turned out that the latch logic
was flipped. As the default state locked |
|
|
14948
|
Tue Oct 8 03:32:42 2019 |
Koji | Update | CDS | CM servo board testing | [Koji]
The logic chips 74ALS573
were replaced. And now the gain sliders are |
7x |
|
14953
|
Tue Oct 8 17:59:29 2019 |
Koji | Update | CDS | CM servo board testing (portal) | == Test Status ==
[done]
Whitening gain switching test |
6x |
|
14955
|
Tue Oct 8 18:42:39 2019 |
Koji | Update | CDS | CM servo board testing | The boost filters of the CM servo
board were tested. Their ZPK models were
made. |
|
|
14956
|
Tue Oct 8 20:23:03 2019 |
gautam | Update | CDS | c1iscaux testing | Looking at the old latch.st code, looks
like this is just a heartbeat signal to indicate
the code is alive. I'll implement this. |
|
|
14965
|
Mon Oct 14 16:06:28 2019 |
Koji | Update | CDS | CM servo board testing | CM Board Slow out (digital length control)
path transfer function / pole-zero filter
pair (79Hz/1.6kHz) transfer function |
|
|
14966
|
Mon Oct 14 16:19:30 2019 |
Koji | Update | CDS | CM servo board testing | For the CM board modeling purpose, the
transfer function from TESTA2 to TESTB2 was
needed. (Attachment 1) |
|
|
14967
|
Mon Oct 14 16:25:03 2019 |
Koji | Update | CDS | CM servo board testing | The output stage (and AO GAIN stage) of
the MC board was modelled. The transfer function
was measured with the injection from EXC |
|
|
14968
|
Mon Oct 14 16:34:42 2019 |
Koji | Update | CDS | CM servo board testing | Input referred offsets on the IN1/IN2 were
tested with different gain settings. The
two inputs were plugged by the 50 ohm terminators. |
|
|
14970
|
Mon Oct 14 17:32:28 2019 |
Koji | Update | CDS | Portal Elog entry for the recent CM servo board tests | Updated Circuit Diagram and photos:
https://dcc.ligo.org/D1500308-v2
- (1) and (6) of the diagram: |
|
|
14990
|
Wed Oct 23 18:40:58 2019 |
gautam | Update | CDS | another round of vertex FE reboots | I wanted to restart the c1oaf model. As
usual, the first time the model was restarted,
it came back online with a 0x2bad error. |
|
|
15035
|
Tue Nov 19 15:08:48 2019 |
gautam | Update | CDS | Vertex models rebooted | Jon and I were surveying the CDS situation
so that he can prepare a report for discussion
with Rolf/Rich about our upcoming BHD upgrade. |
|
|
15061
|
Mon Dec 2 23:01:47 2019 |
gautam | Update | CDS | Frequent DTT crashes on pianosa | I have been experiencing frequent crashes of |
|
|
15071
|
Wed Dec 4 09:11:42 2019 |
Yehonathan | Update | CDS | Reboot script | After the CDSs crashed we run the rebootC1LSC.sh script.
The script is a bit annoying in
that it requires entering the CDSs' passwords |
|
|
15072
|
Wed Dec 4 12:13:10 2019 |
gautam | Update | CDS | Reboot script | It was way more annoying without a script
and took longer than the 4 minutes it does
now. |
|
|
15078
|
Thu Dec 5 15:09:50 2019 |
gautam | Update | CDS | c1oaf crashed c1lsc | I tried starting the c1oaf model, but got
a DQ error (I want the option of running
feedforward during locking even if the filters |
|
|
15122
|
Wed Jan 15 08:55:14 2020 |
gautam | Update | CDS | Yearly DAQD fix | Summary:
Every new year (on Dec 31 or Jan
1), all of the realtime models will report |
|
|
15223
|
Tue Feb 25 16:17:57 2020 |
Gautam, Hang | Update | CDS | | Seems that the GPS is out of sync on donatella.
We could not get any data from diaggui... |
|
|
15237
|
Mon Mar 2 16:14:47 2020 |
gautam | Update | CDS | some target directory cleanup | $TARGET_DIR |
|
|
15239
|
Mon Mar 2 16:35:12 2020 |
gautam | Update | CDS | c1psl test status | Channel |
|
|
15240
|
Mon Mar 2 19:32:41 2020 |
gautam | Update | CDS | c1rfm errors | Had to reboot both end machines and the
c1rfm model to get the TRX and TRY signals
to the LSC models. Now both arms can be locked |
|
|
15248
|
Wed Mar 4 12:25:11 2020 |
gautam | Update | CDS | BIO1 on c1psl is dead | There was some work done on the Acro crate
this morning. Unclear if this is independent,
but I found that the IMC servo board IN1 |
|
|
15250
|
Wed Mar 4 16:54:43 2020 |
gautam | Update | CDS | c1auxex temporarily disconnected | To debug a problem with the new c1psl (later
elog), we needed a Supermicro EPICS server
that was using the shared EPICS/modbus/asyn |
|
|
15285
|
Thu Mar 26 22:31:34 2020 |
Yehonathan | Update | CDS | C1AUXEY wiring + channel list | I have made a wiring
+ channel list that need to be included
in the new C!AUXEY Acromag. |
|
|
15287
|
Tue Mar 31 09:39:41 2020 |
gautam | Update | CDS | Foton for shaped noise injections | I'd like to re-measure the transfer
function from driving MC2 position to the
MC_L_DQ channel (for feedforward purposes). |
|
|
15288
|
Tue Mar 31 23:35:50 2020 |
rana | Update | CDS | Foton for shaped noise injections | do you really mean awggui cannot make shaped
noise injections via its foton text box ?
That has always worked for me in the past. |
|
|
15289
|
Tue Mar 31 23:54:57 2020 |
gautam | Update | CDS | Foton for shaped noise injections | The problem is that foton does not inherit
the model sample rate when launched from
DTT/awggui. This is likely some shared/linked/dynamic |
|
|
15292
|
Thu Apr 2 16:31:33 2020 |
Jon | Update | CDS | C1AUXEY wiring + channel list |
Quote:
|
|
|
15293
|
Thu Apr 2 22:19:18 2020 |
Koji | Update | CDS | C1AUXEY wiring + channel list | We want to migrate the end shutter controls
from c1aux to the end acromags. Could you
include them to the list if not yet? |
|
|
15294
|
Fri Apr 3 12:09:53 2020 |
Jon | Update | CDS | C1AUXEY wiring + channel list |
Quote:
|
|
|
15383
|
Mon Jun 8 18:14:55 2020 |
gautam | Update | CDS | Vertex FEs crashed | Summary:
Around 5pm local time, the three
vertex FEs crashed. AFAIK, |
|
|
15423
|
Mon Jun 22 17:51:50 2020 |
gautam | Update | CDS | c1iscaux was down | The machine needed a hard reboot as it
was un-ssh-able.
The exact time that the machine |
|
|
15462
|
Thu Jul 9 16:02:33 2020 |
Jon | HowTo | CDS | Procedure for setting up BHD front-ends | Here is the procedure for setting up the
three new BHD front-ends (c1bhd, c1sus2,
c1ioo - replacement). This plan is based |
|
|
15515
|
Wed Aug 12 17:36:42 2020 |
gautam | Update | CDS | Timing distribution slot availability | See Attachment
#1. J8 was connected |
|
|
15518
|
Wed Aug 12 20:14:06 2020 |
Koji | Update | CDS | Timing distribution slot availability | I believe we will use two new chassis at
most. We'll replace c1ioo from Sun to
Supermicro, but we recycle the existing timing |
|
|
15521
|
Thu Aug 13 11:30:19 2020 |
gautam | Update | CDS | Timing distribution slot availability | That's great. I wonder if we can also
get away with not adding new Dolphin infrastructure.
I'd really like to avoid changing any |
|
|
15522
|
Thu Aug 13 13:35:13 2020 |
Koji | Update | CDS | Timing distribution slot availability | The new dolphin eventually helps us. But
the installation is an invasive change to
the existing system and should be done at |
|
|
15524
|
Fri Aug 14 00:01:55 2020 |
gautam | Update | CDS | BHD / OMC model channels now added to autoburt | I added the EPCIS channels for the c1omc
model (gains, matrix elements etc) to the
autoburt such that we have a record of these, |
|
|
15525
|
Fri Aug 14 10:03:37 2020 |
Jon | Update | CDS | Timing distribution slot availability | That's great news we
won't have to worry about a new timing
fanout for the two new machines, c1bhd and |
|
|
15564
|
Tue Sep 8 11:49:04 2020 |
gautam | Update | CDS | Some path changes | I edited /diskless/root.jessie/home/controls/.bashrc
so that I don't have to keep doing this |
|
|
15578
|
Wed Sep 16 17:44:27 2020 |
gautam | Update | CDS | All vertex FE models restarted | I had to make a CDS change to the c1lsc
model in an effort to get a few more signals
into the models. Rather than risk requiring |
|
|
15609
|
Sat Oct 3 16:51:27 2020 |
gautam | Update | CDS | RFM errors | Attachment
#1 shows that the |
|
|
15646
|
Wed Oct 28 09:35:00 2020 |
Koji | Update | CDS | RFM errors | I'm starting the model restarts from
remote. Then later I'll show up in the
lab to do more hard resets. |
|
|
15659
|
Wed Nov 4 17:14:49 2020 |
gautam | Update | CDS | c1bhd setup | I am working on the setup of a CDS FE,
so please do not attempt any remote
login to the IPMI interface of c1bhd |
|
|
15663
|
Fri Nov 6 14:27:16 2020 |
gautam | Update | CDS | c1bhd setup - diskless boot | I was able to boot one of the 3 new Supermicro
machines, which I christened c1bhd, in a
diskless way (with the boot image hosted |
|
|
15695
|
Wed Dec 2 17:54:03 2020 |
gautam | Update | CDS | FE reboot | As discussed at the meeting, I commenced
the recovery of the CDS status at 1750 local
time. |
|