| ID |
Date |
Author |
Type |
Category |
Subject |
Text |
 |
|
14844
|
Tue Aug 13 08:07:09 2019 |
gautam | Update | CDS | P1--->P2 | This morning, I wanted to move the existing
cables going to the P1 connectors of the
iLIGO whitening boards to the P2 connector, |
|
|
14845
|
Tue Aug 13 14:36:17 2019 |
gautam | Update | CDS | P1--->P2 | As it turns out, only one extra shroud
needed to be installed - I did this and migrated
the cables for the 4 whitening boards from |
|
|
14848
|
Fri Aug 16 16:40:04 2019 |
gautam | Update | CDS | 1Y3 work | [chub,
gautam] |
|
|
14849
|
Sat Aug 17 16:49:23 2019 |
gautam | Update | CDS | More 1Y3 work | Work done today:
All ribbon cable connections
to the backplane of the 1Y2 Eurocrates were |
|
|
14850
|
Mon Aug 19 14:36:21 2019 |
gautam | Update | CDS | c1iscaux remaining work | Here is what is left to do:
Strain relief of all cabling.
Chub will take care of this in the coming |
|
|
14851
|
Tue Aug 20 19:05:24 2019 |
Koji | Update | CDS | MC1 (and MC3) troubleshoot | Started the troubleshoot from the MC1 issue.
Gautam showed me how to use the fake PD/LED
pair to diagnose the satellite box without |
|
|
14852
|
Thu Aug 22 12:54:06 2019 |
Koji | Update | CDS | MC1 glitch removed (for now) and IMC locking recovered | I have checked the MC1 satellite box and
made a bunch of changes. For now, the glitches
coming from the satellite box is gone. I |
7x |
|
14853
|
Thu Aug 22 20:56:51 2019 |
Koji | Update | CDS | MC1 glitch removed (for now) and IMC locking recovered | The internal ribbon cable for the MC1 satellite
box was replaced with the one in the spare
box. The MC1 box was closed and reinstalled |
|
|
14855
|
Fri Aug 23 18:46:17 2019 |
Jon | Update | CDS | c1iscaux remaining work | I added the list of new c1iscaux channels
to /opt/rtcds/caltech/c1/chans/daq/C0EDCU.ini |
|
|
14857
|
Sun Aug 25 14:18:08 2019 |
gautam | Update | CDS | c1iscaux remaining work | There were a bunch of useless / degenerate
channels added - e.g. whitening gains which
are alreay burt-snapshot. Maybe there are |
|
|
14858
|
Thu Sep 5 18:42:19 2019 |
aaron | HowTo | CDS | WFS discussion, restarting CDS | [aaron, rana]
While going to take some transfer
functions of the MC WFS loop, LSC was down. |
|
|
14859
|
Thu Sep 5 20:30:43 2019 |
rana | HowTo | CDS | WFS discussion, restarting CDS | via Polish chat, GV tells us to RTFE |
|
|
14860
|
Fri Sep 6 09:40:56 2019 |
aaron | HowTo | CDS | WFS discussion, restarting CDS | As suggested, I ran the script cds/rebootC1LSC.sh
I got a timeout error when the
script tried closing the PSL shutter ('C1:AUX-PSL_ShutterRqst' |
|
|
14861
|
Fri Sep 6 11:56:44 2019 |
aaron | HowTo | CDS | WFS discussion, restarting CDS | Rebooting
I reset c1lsc, c1sus,
and c1ioo.
I noticed that the script gives |
|
|
14862
|
Fri Sep 6 15:12:49 2019 |
Koji | HowTo | CDS | WFS discussion, restarting CDS | Assuming you are at pianosa, /etc/resolv.conf
is like
# |
|
|
14865
|
Fri Sep 6 21:22:06 2019 |
Koji | HowTo | CDS | How to save c1ioo | Q1 Can we run the machine with the reduced
# of cores?
Q2 We might be able to order them |
|
|
14866
|
Fri Sep 6 22:03:30 2019 |
aaron | HowTo | CDS | How to save c1ioo | Saw these slightly delayed.
Q1: Not sure--is it a safe operation
for me to remove the DIMM on CPU0, replace |
|
|
14867
|
Mon Sep 9 11:36:48 2019 |
aaron | HowTo | CDS | How to save c1ioo | One pair of DIMM cards from the Sunstone
box had the same Sun part number as those
in c1ioo, so |
|
|
14870
|
Tue Sep 10 17:26:49 2019 |
Koji | Update | CDS | D1900068 SR785 accessory box | I picked up a unit of D1900068 SR785 accessory
box from Dean's office at Downs. |
|
|
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. |
|