ID |
Date |
Author |
Type |
Category |
Subject |
Text |
 |
14877
|
Fri Sep 13 13:03:35 2019 |
Koji | Summary | CDS | DIN 96pin to DSUB37 adapter (single) ready for use | The PCB board of the adapter for DIN 96pin
to DSUB37 conversion (single DSUB version)
was delivered yesterday and I quickly soldered |
|
14879
|
Mon Sep 16 09:11:37 2019 |
gautam | Summary | CDS | DIN 96pin to DSUB37 adapter (single) ready for use | I installed 6 of these
in 1Y2. Three were for PD INTF #1-3, and
I used three more for the AS110, REFL11, |
|
14885
|
Mon Sep 16 20:22:19 2019 |
gautam | Summary | CDS | Update on the Acromag status |
Jordan (new Engineer) and Chub
neatened out the cabling at 1Y2/1Y3 today.
After their work, I plugged in all the Dsubs |
|
14889
|
Tue Sep 17 14:01:46 2019 |
gautam | Update | CDS | daqd fw dead | For some reason, the daqd_fw service was
dead on FB. This meant that no frames were
being written since Aug 23, which probably |
|
14890
|
Tue Sep 17 14:43:59 2019 |
gautam | HowTo | CDS | Final bit bug of the BIO CDS module | Came across this while looking up the BIO
situation at 1Y2. For reference, the fix
Koji mentions can be seen in the attached |
|
14891
|
Tue Sep 17 21:34:07 2019 |
gautam | Update | CDS | daqd fw dead no more | Summary:
Frames seem to
be written again. |
|
14892
|
Tue Sep 17 23:43:34 2019 |
Koji | Summary | CDS | Acromag logic checker | For the investigation of the latch logic
issue for the CARM CM board, I have made
the LED logic checkers with DB breakout boards. |
 |
14893
|
Tue Sep 17 23:46:21 2019 |
Koji | Update | CDS | Latch Enable Logic | [Koji Gautam]
We continued to check the latch
logic. Today we found that latch.py didn't |
|
14895
|
Wed Sep 18 12:40:09 2019 |
gautam | Update | CDS | Fast BIO Mapping at 1Y2 | INCORRECT
INFO IN THIS ELOG HAS BEEN REMOVED. SEE THIS |
|
14900
|
Thu Sep 19 15:59:29 2019 |
aaron | HowTo | CDS | How to save c1ioo | New DIMM cards have arrived. I stored them
in the digital cabinet along y arm. |
|
14901
|
Thu Sep 19 21:23:51 2019 |
gautam | Update | CDS | Fast BIO splicing re-implemented at 1Y2 | [KA,
GV] |
  |
14903
|
Fri Sep 20 12:55:02 2019 |
gautam | Update | CDS | c1iscaux testing | I was hoping that the dark / electronics
noise level on the LSC photodiodes would
be sufficient for me to test the whitening |
|
14905
|
Mon Sep 23 10:49:34 2019 |
rana | Update | CDS | c1iscaux testing |
I'd say permanently enable
AA and AI. There's no reason to turn
these off for usual channels. We can always |
|
14906
|
Wed Sep 25 20:10:13 2019 |
Koji | Update | CDS | c1iscaux testing | == Test Status ==
[none]
Whitening gain switching test |
 |
14907
|
Thu Sep 26 17:56:28 2019 |
Koji | Update | CDS | some rebooting | Yesterday (Sep 25) evening: I had to reboot
c1psl, c1iool0, and c1aux to recover nominal
IMC locking |
|
14908
|
Thu Sep 26 20:09:40 2019 |
Koji | Update | CDS | c1iscaux testing | == Test Status ==
[done]
Whitening gain switching test => |
    |
14909
|
Fri Sep 27 15:59:53 2019 |
gautam | Update | CDS | c1iscaux testing | I reset the normalization for both arms on
Jul 9 2019. |
|
14912
|
Mon Sep 30 11:20:43 2019 |
gautam | Update | CDS | c1iscaux testing - CM board code updated | DATED, SEE |
|
14916
|
Mon Sep 30 15:51:59 2019 |
gautam | Update | CDS | c1iscaux - some admin | I did the following:
symlinked |
|
14917
|
Mon Sep 30 17:04:30 2019 |
gautam | Update | CDS | Some path changes | I made some model changes to c1lsc. To
propagate the changes, I tried the usual
rtcds make sequence. But I got an error about |
|
14921
|
Wed Oct 2 01:11:40 2019 |
Koji | Update | CDS | c1iscaux testing | I worked on more troubleshooting
of the whitening filters Tuesday afternoon
== Test Status == |
8x |
14922
|
Wed Oct 2 10:40:07 2019 |
gautam | Update | CDS | c1oaf model restarted | This morning, I restarted the c1oaf
model on the |
|
14923
|
Wed Oct 2 10:50:20 2019 |
gautam | Update | CDS | Anaconda updated | The anaconda distribution used by the control
room workstations is actually installed on
the shared drive (/cvs/cds/ligo/apps/anaconda/) |
|
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 |
|