| ID |
Date |
Author |
Type |
Category |
Subject |
Text |
 |
|
16288
|
Mon Aug 23 11:51:26 2021 |
Koji | Update | General | Campus Wide Power Glitch Reported: Monday, 8/23/21 at 9:30am | Campus
Wide Power Glitch Reported:
Monday, 8/23/21 at 9:30am (more like 9:34am |
|
|
16289
|
Mon Aug 23 15:25:59 2021 |
Ian MacMillan | Update | CDS | SUS simPlant model | I am adding a State-space block to the
SimPlant cds model using the example Chris
gave. I made a new folder in controls |
|
|
16290
|
Mon Aug 23 19:00:05 2021 |
Koji | Update | General | Campus Wide Power Glitch Reported: Monday, 8/23/21 at 9:30am | Restarting the RTS was unsuccessful because
of the timing discrepancy error between the
RT machines and the FB. This time no matter |
|
|
16291
|
Mon Aug 23 22:51:44 2021 |
Anchal | Update | General | Time synchronization efforts | Related elog thread: 16286
I didn't really achieve
anything but I'm listing what I've |
|
|
16292
|
Tue Aug 24 09:22:48 2021 |
Anchal | Update | General | Time synchronization working now | Jamie told me to use chroot to log in into
the chroot jail of debian os that are exported
for the FEs and install ntp there. I took |
|
|
16293
|
Tue Aug 24 18:11:27 2021 |
Paco | Update | General | Time synchronization not really working | tl;dr: NTP servers and clients
were never synchronized, are not synchronizing
even with ntp... nodus is synchronized but |
|
|
16294
|
Tue Aug 24 18:44:03 2021 |
Koji | Update | CDS | FB is writing the frames with a year old date | Dan Kozak pointed out that the new frame
files of the 40m has not been written in
2021 GPS time but 2020 GPS time. |
|
|
16295
|
Tue Aug 24 22:37:40 2021 |
Anchal | Update | General | Time synchronization not really working | I attempted to install chrony and run it
on one of the FE machines. It didn't
work and in doing so, I lost the working |
|
|
16296
|
Wed Aug 25 08:53:33 2021 |
Jordan | Update | SUS | 2" Adapter Ring for SOS Arrived 8/24/21 | 8 of the 2"->3" adapter rings
(D2100377) arrived from RDL yesterday. I
have not tested the threads but dimensional |
|
|
16297
|
Wed Aug 25 11:48:48 2021 |
Yehonathan | Update | CDS | c1auxey assembly | After confirming that, indeed, leaving
the RTN connection floating can cause reliability
issues we decided to make these connections |
|
|
16298
|
Wed Aug 25 17:31:30 2021 |
Paco | Update | CDS | FB is writing the frames with a year old date | [paco, tega, koji]
After invaluable assistance from
Jamie in fixing this yearly offset in the |
|
|
16299
|
Wed Aug 25 18:20:21 2021 |
Jamie | Update | CDS | GPS time on fb1 fixed, dadq writing correct frames again | I have no idea what happened to the GPS
timing on fb1, but it seems like the issue
was coincident with the power |
|
|
16300
|
Thu Aug 26 10:10:44 2021 |
Paco | Update | CDS | FB is writing the frames with a year old date | [paco, ]
We went over the X end to check
what was going on with the TRX signal. We |
|
|
16305
|
Wed Sep 1 14:16:21 2021 |
Jordan | Update | VAC | Empty N2 Tanks | The right N2 tank had a bad/loose valve
and did not fully open. This morning the
left tank was just about empty and the right |
|
|
16308
|
Thu Sep 2 19:28:02 2021 |
Koji | Update | | This week's FB1 GPS Timing Issue Solved | After the disk system trouble, we could
not make the RTS running at the nominal state.
A part of the troubleshoot FB1 was rebooted. |
|
|
16309
|
Thu Sep 2 19:47:38 2021 |
Koji | Update | CDS | This week's FB1 GPS Timing Issue Solved | After the reboot daqd_dc was not working,
but manual starting of open-mx / mx services
solved the issue. |
|
|
16310
|
Thu Sep 2 20:44:18 2021 |
Koji | Update | CDS | Chiara DHCP restarted | We had the issue of the RT machines rebooting.
Once we hooked up the display on c1iscex,
it turned out that the IP was not given at |
|
|
16311
|
Thu Sep 2 20:47:19 2021 |
Koji | Update | CDS | Chiara DHCP restarted | [Paco, Tega, Koji]
Once chiara's DHCP is back,
things got much more straight forward. |
|
|
16316
|
Wed Sep 8 18:00:01 2021 |
Koji | Update | VAC | cronjobs & N2 pressure alert | In the weekly meeting, Jordan pointed out
that we didn't receive the alert for
the low N2 pressure. |
|
|
16317
|
Wed Sep 8 19:06:14 2021 |
Koji | Update | General | Backup situation | Tega mentioned in the meeting that it could
be safer to separate some of nodus's
functions from the martian file system. |
|
|
16319
|
Mon Sep 13 04:12:01 2021 |
Tega | Update | General | Added temperature sensors at Yend and Vertex too | I finally got the modbus part working on
chiara, so we can now view the temperature
data on any machine on the martian network, |
|
|
16320
|
Mon Sep 13 09:15:15 2021 |
Paco | Update | LSC | MC unlocked? | Came in at ~ 9 PT this morning to find
the IFO "down". The IMC had lost
its lock ~ 6 hours before, so at about 03:00 |
|
|
16321
|
Mon Sep 13 14:32:25 2021 |
Yehonathan | Update | CDS | c1auxey assembly | So we agreed that the RTNs points on the
c1auxex Acromag chassis should just be grounded
to the local Acromag ground as it just needs |
|
|
16322
|
Mon Sep 13 15:14:36 2021 |
Anchal | Update | LSC | Xend Green laser injection mirrors M1 and M2 not responsive | I was showing some green laser locking
to Tega, I noticed that changing the PZT
sliders of M1/M2 angular position on Xend |
|
|
16324
|
Mon Sep 13 18:19:25 2021 |
Tega | Update | Computer Scripts / Programs | Moved modbus service from chiara to c1susaux | [Tega, Anchal, Paco]
After talking to Anchal, it was
made clear that chiara is not the place to |
|
|
16326
|
Tue Sep 14 16:12:03 2021 |
Jordan | Update | SUS | SOS Tower Hardware | Yehonathan noticed today that the silver
plated hardware on the assembled SOS towers
had some pretty severe discoloration on it. |
|
|
16328
|
Tue Sep 14 17:14:46 2021 |
Koji | Update | SUS | SOS Tower Hardware | Yup this is OK. No problem.
|
|
|
16330
|
Tue Sep 14 17:22:21 2021 |
Anchal | Update | CDS | Added temp sensor channels to DAQ list | [Tega, Paco, Anchal]
We attempted to reboot fb1 daqd
today to get the new temperature sensor channels |
|
|
16332
|
Wed Sep 15 11:27:50 2021 |
Yehonathan | Update | CDS | c1auxey assembly | {Yehonathan, Paco}
We turned off the ETMX watchdogs
and OpLevs. We went to the X end and shut |
|
|
16333
|
Wed Sep 15 23:38:32 2021 |
Koji | Update | ALS | ALS ASX PZT HV was off -> restored | It was known that the Y end ALS PZTs are
not working. But Anchal reported in the meeting
that the X end PZTs are not working too. |
|
|
16335
|
Thu Sep 16 00:00:20 2021 |
Koji | Update | General | RIO Planex 1064 Lasers in the south cabinet | RIO Planex 1064 Lasers in the south cabinet
Property Number C30684/C30685/C30686/C30687 |
|
|
16336
|
Thu Sep 16 01:16:48 2021 |
Koji | Update | General | Frozen 2 | It happened again. Defrosting required. |
|
|
16337
|
Thu Sep 16 10:07:25 2021 |
Anchal | Update | General | Melting 2 | Put outside.
|
|
|
16338
|
Thu Sep 16 12:06:17 2021 |
Tega | Update | Computer Scripts / Programs | Temperature sensors added to the summary pages | We can now view the minute trend of the
temperature sensors under the PEM tab
of the summary pages. See attachment 1 for |
|
|
16340
|
Thu Sep 16 20:18:13 2021 |
Anchal | Update | General | Reset | Fridge brought back inside.
|
|
|
16341
|
Fri Sep 17 00:56:49 2021 |
Koji | Update | General | Awesome | The
Incredible Melting Man!
|
|
|
16342
|
Fri Sep 17 20:22:55 2021 |
Koji | Update | SUS | EQ M4.3 Long beach | EQ M4.3 @longbeach
2021-09-18 02:58:34 (UTC) / 07:58:34
(PDT) |
|
|
16344
|
Mon Sep 20 14:11:40 2021 |
Koji | Update | BHD | End DAC Adapter Unit D2100647 | I've uploaded the schematic and PCB
PDF for End DAC Adapter Unit D2100647.
Please review the design. |
|
|
16346
|
Mon Sep 20 15:23:08 2021 |
Yehonathan | Update | Computers | Wifi internet fixed | Over the weekend and today, the wifi was
acting bad with frequent disconnections and
no internet access. I tried to log into the |
|
|
16349
|
Mon Sep 20 20:43:38 2021 |
Tega | Update | Electronics | Sat Amp modifications | Running update of Sat Amp modification
work, which involves the following procedure (x8)
per unit: |
|
|
16350
|
Mon Sep 20 21:56:07 2021 |
Koji | Update | Computers | Wifi internet fixed | Ug, factory resets... Caltech IMSS announced
that there was an intermittent network service
due to maintenance between Sept 19 and 20. |
|
|
16356
|
Wed Sep 22 17:22:59 2021 |
Tega | Update | Electronics | Sat Amp modifications | [Koji, Tega]
Decided to do a quick check of |
|
|
16357
|
Thu Sep 23 14:17:44 2021 |
Tega | Update | Electronics | Sat Amp modifications debugging update | Debugging complete.
All units now have the correct
TP4 voltage reading needed to drive a |
|
|
16359
|
Thu Sep 23 18:18:07 2021 |
Yehonathan | Update | BHD | SOS assembly | I have noticed that the dumbells coming
back from C&B had glue residues on them.
An example is shown in attachment 1: it can |
|
|
16364
|
Wed Sep 29 09:36:26 2021 |
Jordan | Update | SUS | 2" Adapter Ring Parts for SOS Arrived 9/28/21 | The remaining machined parts for the SOS
adapter ring have arrived. I will inspect
these today and get them ready for C&B. |
|
|
16368
|
Thu Sep 30 14:13:18 2021 |
Anchal | Update | LSC | HV supply to Xend Green laser injection mirrors M1 and M2 PZT restored | Late elog, original date Sep 15th
We found that the power switch
of HV supply that powers the PZT drivers |
|
|
16370
|
Fri Oct 1 12:12:54 2021 |
Stephen | Update | BHD | ITMY (3002) CAD layout pushed to Box | Koji requested current state of BHD 3D
model. I pushed this to Box after adding
the additional SOSs and creating an EASM |
|
|
16373
|
Mon Oct 4 15:50:31 2021 |
Hang | Update | Calibration | Fisher matrix estimation on XARM parameters | [Anchal, Hang]
What: Anchal and I measured the
XARM OLTF last Thursday. |
|
|
16377
|
Mon Oct 4 18:35:12 2021 |
Paco | Update | Electronics | Satellite amp box adapters | [Paco]
I have finished assembling the
1U adapters from 8 to 5 DB9 conn. for the |
|
|
16378
|
Mon Oct 4 20:46:08 2021 |
Koji | Update | Electronics | Satellite amp box adapters | Thanks. You should be able to find the
chassis-related hardware on the left side
of the benchtop drawers at the middle workbench. |
|