ID |
Date |
Author |
Type |
Category |
Subject |
Text |
 |
17794
|
Fri Aug 18 14:43:24 2023 |
Murtaza | Update | General | Acoustic Noise Spectrum of various lab spaces. (100Hz-10kHz) | dB(A) (A-weighted) scale and
the Noise Criterion (NC) scale are popularly
used in the United States for creating the |
|
12442
|
Thu Aug 25 19:03:56 2016 |
Praful | Update | Electronics | Acoustic Tab and Amp Suspension | My box has been suspended in the PSL using
surgical tubing, and it has been connected
to C1:PEM-MIC_1 (C17) with a BNC. I made |
|
12460
|
Thu Sep 1 15:28:01 2016 |
rana | Update | Electronics | Acoustic Tab and Amp Suspension |
add photo of installation
no
more secret personal pages! put channels
into the actual pages that we look at
make |
|
12463
|
Thu Sep 1 17:25:02 2016 |
Praful | Update | Electronics | Acoustic Tab and Amp Suspension | I'll add a picture of the installation
when I get back to campus and finish hooking
up the power cable. I haven't added this |
|
7707
|
Tue Nov 13 21:05:22 2012 |
Ayaka | Update | WienerFiltering | Acoustic noise cancellation with MC | In order to perform acoustic noise
cancellation with MCL signal, I am trying
to find sweet spots for microphones. |
9x |
7814
|
Wed Dec 12 11:49:05 2012 |
Ayaka | Update | LSC | Acoustic noise in POX and AS error signal | [Koji, Ayaka]
Last night, I injected acoustic noise
at POX table and AS table with oplev controls |
 |
12677
|
Wed Dec 14 19:16:57 2016 |
Lydia | Update | CDS | Acromag Binary I/O testing | I looked into converting the QPD whitening
switches for the X end to Acromag.
To test this out and be |
|
12634
|
Tue Nov 22 13:55:32 2016 |
Johannes | Omnistructure | 40m upgrading | Acromag Chassis | Current Acromag chassis status:
I found out that Acromag offers
DIN rail mounting kits for the open boards, |
|
12625
|
Fri Nov 18 00:25:08 2016 |
Johannes | Omnistructure | 40m upgrading | Acromag Chassis Development | I had Rich show me his approach to a chassis
for the Acromag modules. The document tree
for his design can be found on the DCC. |
 |
12477
|
Wed Sep 7 18:00:47 2016 |
Lydia | Update | General | Acromag Progress | [Teng, Lydia]
We
would like to establish a system for setting |
|
12514
|
Thu Sep 22 20:18:27 2016 |
Lydia | Update | General | Acromag Progress | We moved the Acromag and its power supply
to the X end, where we connected it to the
diagnostic output of the NPRO controller. |
|
12554
|
Wed Oct 12 18:09:25 2016 |
Lydia | Update | General | Acromag Progress | [Lydia, Johannes]
Johannes acquired a crate to contain
the Acromag setup and wiring, and installed |
|
12306
|
Fri Jul 15 17:44:37 2016 |
Aakash | Summary | General | Acromag Setup | SURF2016 | Aidan has described the physical connections
and initial setup here : https://nodus.ligo.caltech.edu:30889/ATFWiki/doku.php?id=main:resources:computing:acromag#recovering_from_a_terminal_power_communication_outage
. |
|
12360
|
Mon Aug 1 18:50:29 2016 |
Aakash | Update | General | Acromag Setup | SURF2016 | There were many unknown and unsolved problems
with using modbusApp for linux-arm architecture.
So I tried to install the necessary files |
7x |
12366
|
Wed Aug 3 15:35:19 2016 |
Aakash | Update | General | Acromag Setup | SURF2016 | Lydia helped me to troubleshoot the Accromag
connection problems which I was facing previously.
If power goes off/turned off manually, the |
|
12368
|
Wed Aug 3 16:34:59 2016 |
Lydia | Update | General | Acromag Setup | SURF2016 | Actually, if the power goes off and back
on, the ethernet connection comes back online
after about 5 seconds, or faster if it is |
|
13463
|
Mon Dec 4 22:06:07 2017 |
johannes | Omnistructure | Computers | Acromag XEND progress | I wired up the power distribution, and
ethernet cables in the Acromag chassis today.
For the time being it's all kind of loose |
|
13468
|
Thu Dec 7 22:24:04 2017 |
johannes | Omnistructure | Computers | Acromag XEND progress |
|
  |
14364
|
Tue Dec 18 11:42:40 2018 |
Chub | Update | General | Acromag box wired | The Auxiliary DAQ Chassis, or Acromag box,
is now wired and ready for testing.
I will be sorting the cables at the vacuum |
|
13553
|
Wed Jan 17 14:32:51 2018 |
gautam | Update | DAQ | Acromag checks |
I take back what I said about the
OSEM PD mon at the meeting - there does seem
to be to be some overall calibration factor |
|
13554
|
Wed Jan 17 22:44:14 2018 |
johannes | Update | DAQ | Acromag checks | This happened because there are multiple
ways to scale the raw value of an EPICS channel
to the desired output range. In the CryoLab |
|
13565
|
Sun Jan 21 13:11:25 2018 |
johannes | Update | DAQ | Acromag checks | After some research: -the- reason for the
reduced +/- 20,000 swing in raw values is
a default setting for having support for |
|
14718
|
Tue Jul 2 12:30:53 2019 |
gautam | Update | Electronics | Acromag crate switched to Sorensens | [chub, gautam]
We crossed off another couple of |
 |
12273
|
Fri Jul 8 13:01:23 2016 |
Aakash | Update | General | Acromag is talking ! | SURF 2016 | Acromag is talking now, after few changes
to the original EPICS configuration and cross
compile configuration. Modbus config files |
|
13832
|
Fri May 11 11:47:33 2018 |
johannes | Summary | PEM | Acromag issues | The replacement Acromag we scooped from
the West Bridge E-Shop does actually seem
to work, although we thought it was broken |
|
13844
|
Tue May 15 15:13:23 2018 |
Kira | Summary | PEM | Acromag issues | I tried calibrating the other channels
today, but they still fluctuate. Sometimes
they do stabilize at +/- 10V, but then suddenly |
|
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. |
 |
13473
|
Thu Dec 14 00:32:56 2017 |
johannes | Update | ASS | Acromag new crate; c1auxex2 configured as gateway server for acromag | This splicing in of fast binary channels
we discussed at yesterday's and today's
meetings is getting messy with the current |
 |
13434
|
Fri Nov 17 16:31:11 2017 |
aaron | Omnistructure | Computers | Acromag wired up | Acromag
Wireup Update
I
finished wiring up the Acromags to replace |
|
13435
|
Fri Nov 17 17:10:53 2017 |
rana | Omnistructure | Computers | Acromag wired up | Exactly: you'll have to list explicitly
what functions those channels had so that
we know what we're losing before we make |
|
15760
|
Tue Jan 12 08:21:47 2021 |
anchal | HowTo | CDS | Acromag wiring investigation | I used an Acromag XT1221 in CTN to play
around with different wiring and see what
works. Following are my findings: |
  |
15761
|
Tue Jan 12 11:42:38 2021 |
gautam | HowTo | CDS | Acromag wiring investigation | Thanks for the systematic effort.
Can you please post some
time domain plots (ndscope perferably or |
|
15762
|
Wed Jan 13 16:09:29 2021 |
Anchal | HowTo | CDS | Acromag wiring investigation | I'm working on a better wiring diagram
that takes into account multiple power supplies,
how their GND is passed forward to the circuits |
|
15778
|
Tue Jan 26 12:59:51 2021 |
Anchal | HowTo | CDS | Acromag wiring investigation | Taking inspiration from SR785 on how it
reads differential signal, I figured that
acromag too always need a way to return current |
|
15779
|
Tue Jan 26 15:37:25 2021 |
Anchal | HowTo | CDS | Acromag wiring investigation | Here I present few wiring diagrams when
using Acromag to avoid noisy behavior and
ground loops. |
  |
15785
|
Fri Jan 29 17:57:17 2021 |
Anchal | HowTo | CDS | Acromag wiring investigation | I found a
white paper from Acromag which
discusses how to read differential signal |
  |
17716
|
Wed Jul 26 11:31:10 2023 |
JC | Update | Electronics | Acromag work | [Yehonathan, JC]
I have made a panel design for
the acromag chassis. These panels will hold |
 |
6210
|
Wed Jan 18 12:38:44 2012 |
steve | Update | PEM | Acrylic plexiglass transmittance | |
 |
5524
|
Thu Sep 22 22:53:06 2011 |
Suresh | Update | Computer Scripts / Programs | Activated DAQ channels in C1IOO model and restared fb | To look at the WFS servo signals I was
using test points in the servo filter banks.
This is not recommended for regular operation |
|
15946
|
Fri Mar 19 15:31:56 2021 |
Aidan | Update | Computers | Activated MATLAB license on donatella | Activated MATLAB license on donatella |
|
15945
|
Fri Mar 19 15:26:19 2021 |
Aidan | Update | Computers | Activated MATLAB license on megatron | Activated MATLAB license on megatron |
|
3690
|
Mon Oct 11 17:31:44 2010 |
yuta | Update | CDS | Activation of DAQ channels for 8 optics | (Joe, Yuta)
Background: |
|
3691
|
Mon Oct 11 20:52:00 2010 |
rana | Update | CDS | Activation of DAQ channels for 8 optics | Bah! We tried |
|
5696
|
Wed Oct 19 12:25:58 2011 |
Suresh | Update | 40m Upgrading | Active Tiptilts from LLO moved to clean shelf along X arm | I have moved the active tip tilts that
we brought over from LLO to the Clean Bureau
along the X arm (closest to the ETMX). There |
|
5697
|
Wed Oct 19 13:45:11 2011 |
Suresh | Update | 40m Upgrading | Active Tiptilts from LLO moved to clean shelf along X arm | I have moved the active tip tilts that
we brought over from LLO to the Clean Bureau
along the X arm (closest to the ETMX). There |
|
3917
|
Sun Nov 14 16:40:46 2010 |
Jenne | Update | Treasure | Activities related to OSEM measurement | [Valera, Jenne]
We pondered the idea of clamping
the PRM optic to measure the OSEM noise. |
|
13746
|
Wed Apr 11 01:34:31 2018 |
gautam | Update | IOO | Activities today | [kevin, gautam]
activities done today - details/plots/data/evidence
tomorrow. |
|
14558
|
Fri Apr 19 16:19:42 2019 |
gautam | Update | SUS | Actuation matrix still not orthogonal | I repeated the exercise from yesterday,
this time driving the butterfly mode [+1
-1 -1 +1] and adding the tuned PIT and |
|
14559
|
Fri Apr 19 19:22:15 2019 |
rana | Update | SUS | Actuation matrix still not orthogonal | If thy left hand troubles thee
then let the mirror show the right
for if it troubles enough to cut |
|
16929
|
Fri Jun 17 16:22:21 2022 |
yuta | Update | LSC | Actuator calibration of BS. ITMX, ITMY, updated MICH displacement spectra from c1cal | Following what we have done in 2013 (40m/8242),
actuator calibration was done using MICH. |
6x |