| ID |
Date |
Author |
Type |
Category |
Subject |
Text |
 |
|
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 |
|
|
13443
|
Wed Nov 22 00:54:18 2017 |
johannes | Omnistructure | Computers | Slow DAQ replacement computer progress | I got the the SuperMicro 1U server box
from Larry W on Monday and set it up in the
CryoLab for initial testing. |
|
|
13458
|
Wed Nov 29 21:40:30 2017 |
johannes | Omnistructure | Computers | Slow DAQ replacement computer progress | [Aaron, Johannes]
We
configured the AtomServer for the Martian |
|
|
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 |
|
|
|
13469
|
Fri Dec 8 12:06:59 2017 |
johannes | Omnistructure | Computers | c1auxex2 ready - but need more cables | The new slow machine c1auxex2
is ready to deploy. Unfortunately we don't
have enough 37pin DSub cables to connect |
|
|
14172
|
Tue Aug 21 03:09:59 2018 |
johannes | Omnistructure | DAQ | Panels for Acromag DAQ chassis | I expanded the previous panels to 6U height
for the new DAQ chassis we're buying
for the upgrade. I figure it's best if |
|
|
14278
|
Tue Nov 6 19:41:46 2018 |
Jon | Omnistructure | | c1vac1/2 replacement | This afternoon I started setting up the
Supermicro 5017A-EP that will replace c1vac1/2.
Following Johannes's procedure in |
|
|
14282
|
Wed Nov 7 19:17:18 2018 |
Jon | Omnistructure | | modbusIOC is running on c1vac replacement | Today I finished setting up the server
that will replace the c1vac1/2 machines.
I put it on the martian network at the unassigned |
|
|
14287
|
Fri Nov 9 22:24:22 2018 |
Jon | Omnistructure | | Wiring of Vacuum Acromag Chassis Complete | Wiring of the power, Ethernet, and indicator
lights for the vacuum Acromag chassis is
complete. Even though this crate will only |
|
|
14296
|
Wed Nov 14 21:34:44 2018 |
Jon | Omnistructure | | Vacuum Acromags installed and tested | All 7 Acromag units are now installed in
the vacuum chassis. They are connected to
24V DC power and Ethernet. |
|
|
14308
|
Mon Nov 19 22:45:23 2018 |
Jon | Omnistructure | | Vacuum System Subnetwork | I've set up a closed subnetwork for
interfacing the vacuum hardware (Acromags
and serial devices) with the new controls |
|
|
14309
|
Mon Nov 19 23:38:41 2018 |
Jon | Omnistructure | | Vacuum Acromag Channel Assignments | I've completed bench testing of all
seven vacuum Acromags installed in a custom
rackmount chassis. The system contains |
|
|
14315
|
Sun Nov 25 17:41:43 2018 |
Jon | Omnistructure | | Vacuum Controls Upgrade - Status and Plans | New hardware has been installed in the
vacuum controls rack. It is shown in the
below post-install photo. |
|
|
14320
|
Mon Nov 26 21:58:08 2018 |
Jon | Omnistructure | | Serial Vacuum Signals | All the serial vacuum signals are now interfaced
to the new digital controls system. A set
of persistent Python scripts will query each |
|
|
14325
|
Fri Nov 30 15:53:52 2018 |
Jon | Omnistructure | General | N2 pressure gauge fix | I've made a repair to the N2 pressure
monitor. I don't believe the polarity
of the analog signal into the controller |
|
|
14327
|
Sun Dec 2 16:08:44 2018 |
Jon | Omnistructure | Upgrade | Feedthroughs for Vacuum Acromag Chassis | Below is an inventory of the signal
feedthroughs that need to be installed on
the vacuum Acromag crate this week. |
|
|
14330
|
Tue Dec 4 10:38:12 2018 |
Jon | Omnistructure | Upgrade | Updated Feedthrough List for Vacuum Acromag Chassis | Based on new input from Chub, attached
is the revised list of signal cable
feedthroughs needed on the vacuum system |
|
|
14331
|
Tue Dec 4 18:24:05 2018 |
gautam | Omnistructure | General | N2 line disconnected | [jon, gautam]
In the latest installment in this
puzzler: turns out that maybe the trend of |
|
|
14333
|
Thu Dec 6 17:33:33 2018 |
Jon | Omnistructure | General | N2 line disconnected | I believe I finally have the N2 gauge working
correctly. The wiring is unchanged from its
original state and the controller has been |
|
|
14348
|
Wed Dec 12 18:27:07 2018 |
Jon | Omnistructure | Upgrade | Analog signals, A/D Acromag added to vacuum system | There turned out to be a few analog signals
for the vacuum system after all. The TP2/3
foreline pressure gauges were never part |
|
|
14375
|
Thu Dec 20 21:29:41 2018 |
Jon | Omnistructure | Upgrade | Vacuum Controls Switchover Completed | [Jon, Chub, Koji, Gautam]
Summary
Today we carried
out the first pumpdown with the new vacuum |
|
|
14377
|
Fri Dec 21 11:13:13 2018 |
gautam | Omnistructure | VAC | N2 line valved off | Per the discussion yesterday, I
valved off the N2 line in the drill press |
|
|
14379
|
Fri Dec 21 12:57:10 2018 |
Koji | Omnistructure | VAC | N2 line valved off | Independent question: Are all the turbo
forelines vented automatically? We manually
did it for the main roughing line. |
|
|
14380
|
Thu Jan 3 15:08:37 2019 |
gautam | Omnistructure | VAC | Vac status unknown | Larry W came by the 40m, and reported that
there was a campus-wide power glitch (he
was here to check if our networking infrastructure |
|
|
14383
|
Fri Jan 4 10:25:19 2019 |
Jon | Omnistructure | VAC | N2 line valved off | Yes, for TP2 and TP3. They both have
a small vent valve that opens automatically
on shutdown. |
|
|
14384
|
Fri Jan 4 11:06:16 2019 |
Jon | Omnistructure | Upgrade | Vac System Punchlist | The base Acromag vacuum system is running
and performing nicely. Here is a list of
remaining questions and to-do items we still |
|
|
14410
|
Sun Jan 20 23:41:00 2019 |
Jon | Omnistructure | VAC | Notes on vac serial comm, adapter wiring | I've attached my handwritten notes
covering all the serial communications in
the vac system, and the relevant wiring for |
|
|
14493
|
Thu Mar 21 18:36:59 2019 |
Jon | Omnistructure | Upgrade | Vacuum Controls Switchover Completed | Updated vac channel list is attached. There
are several new ADC channels.
|
|
|
14589
|
Thu May 2 15:15:15 2019 |
Jon | Omnistructure | Computers | susaux machine renamed | Now that the replacement susaux machine
is installed and fully tested, I renamed
it from c1susaux2 to c1susaux and updated |
|
|
14590
|
Thu May 2 15:35:54 2019 |
Jon | Omnistructure | Upgrade | c1susaux upgrade documentation | For future reference:
The updated list
of c1susaux channel wiring (includes the |
|
|
14600
|
Thu May 9 22:26:39 2019 |
Jon | Omnistructure | PSL | Second ADC added to PSL Acromag crate | This evening I added a second ADC module
to the prototype Acromag chassis. This chassis
can now read out all the PSL diagnostic channels. |
|
|
14814
|
Fri Jul 26 19:53:53 2019 |
Jon | Omnistructure | Cameras | GigE Camera Server | I've started setting up the last
new rackmount SuperMicro as a dedicated server
for the GigE cameras. The new machine is |
|
|
15067
|
Tue Dec 3 20:32:37 2019 |
rana | Omnistructure | DAQ | NDS2 situation | Recently,
accordian to Gautam, the NDS2 server has |
|
|
15284
|
Thu Mar 26 17:41:18 2020 |
Jon | Omnistructure | BHD | BHD docs compilation | Since there has been a proliferation of
BHD Google docs recently, I've linked
them all from the BHD |
|
|
15412
|
Thu Jun 18 22:33:57 2020 |
Jon | Omnistructure | VAC | Vac hardware purchase list | Replacement Hardware Purchase List
I've
created a purchase
list of hardware needed to restore the aging |
|
|
17193
|
Mon Oct 17 11:57:27 2022 |
Chris | Omnistructure | CDS | Timing system monitoring | I started a GPS timing monitor script,
/opt/rtcds/caltech/c1/Git/40m/scripts/cds/tempusTimingMon/tempusTimingMon.py,
which runs inside a docker container on optimus. |
|
|
5
|
Fri Oct 19 16:11:38 2007 |
pkp | Other | OMC | OMC PZT response | Sam and I locked the laser to the OMC cavity
and looked at the error signal as a function
of the voltage applied to the OMC PZT.
|
|
|
6
|
Sat Oct 20 11:54:13 2007 |
waldman | Other | OMC | OMC and OMC-SUS work | [Rich, Chub, Pinkesh, Chris, Sam]
Friday the 18th was a busy day in OMC land. |
|
|
8
|
Mon Oct 22 19:27:14 2007 |
pkp | Other | OMC | PZT calibration/ transfer function. | We measured the PZT transfer function by comparing
the PZT response of the circuit with the
cavity in the loop, with that of the circuit |
|
|
9
|
Tue Oct 23 09:01:00 2007 |
rana | Other | OMC | PZT calibration/ transfer function. | Are you sure that the error signal sweep is
not saturated on the top ends? This is usually
the downfall
|
|
|
10
|
Tue Oct 23 11:08:20 2007 |
steve | Other | General | brush fires | There are big brush fires around LA
40 days plot show no effect in the 40m lab |
|
|
11
|
Wed Oct 24 01:43:32 2007 |
Andrey Rodionov | Other | General | PDF-file -> Will report about first results for XARM during Wednesday meeting |
Here is the pdf-file with some graphs showing
first results for XARM optimization.
|
|
|
12
|
Wed Oct 24 08:58:09 2007 |
steve | Other | PSL | laser headtemp is up | C1:PSL-126MOPA_HTEMP is 19.3C
Half of the chiller's air intake was covered |
|
|
14
|
Thu Oct 25 17:52:45 2007 |
waldman | Other | OMC | OMCs with QPDs | [Rich, Chub, Pinkesh, Sam]
Yesterday we got the QPD, OTAS, and PZT cabling |
|
|
16
|
Thu Oct 25 23:35:36 2007 |
waldman | Other | OMC | Hang the OMC! | [Pinkesh, Sam]
We tried, convicted and hung the OMC today. |
|
|
19
|
Fri Oct 26 17:34:43 2007 |
waldman | Other | OMC | OMC + earthquake stops |
[Chub, chris, Pinkesh, Sam]
|
|
|
29
|
Tue Oct 30 00:47:29 2007 |
rana | Other | IOO | MC Ringdowns | I did a bunch of [B]MC ringdown measurements[/B]
using the PD that Rob set up. The idea is
to put a fast PD (PDA255)
|
|
|
33
|
Tue Oct 30 20:15:24 2007 |
tobin | Other | Environment | earthquake | Rana, Tobin
Largish (M5.6) earthquake in San Francisco |
|