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IDup Date Author Type Category Subject Text Attachments
  16647   Fri Feb 4 10:21:39 2022 AnchalSummaryGeneralComplete lab shutdownPlease edit this same
entry throughout the day for the shutdown
 Vac_Status_Screenshot_2022-02-04_10-19-24.png 
  16648   Mon Feb 7 09:00:26 2022 PacoUpdateGeneralScheduled power outage recovery[Paco]

Started recovering from scheduled
(Feb 05) power outage. Basically, time-reversing
  
  16649   Mon Feb 7 15:32:48 2022 YehonathanUpdateGeneralY End laser controllerI went to the Y end. The AUX laser was
on Standby. I pushed the Standby button.
The laser turned on and there was some green
  
  16650   Mon Feb 7 16:14:37 2022 TegaUpdateComputersrealtime system reboot problemI was looking into plotting temperature
sensor data trend and why we currently do
not have frame data written to file (on /frames)
  
  16651   Mon Feb 7 16:53:02 2022 KojiUpdateGeneralScheduled power outage recoveryI went to the X end and found it was warm.
Turned out that not all the A/Cs were on.
They were turned on now.
 PXL_20220208_001646282.jpgPXL_20220208_001657871.jpg 
  16652   Wed Feb 9 11:56:24 2022 AnchalUpdateGeneralBringing back CDS[Anchal, Paco]

Bringing back CDS took a lot of
work yesterday. I'm gonna try to summarize
 Screenshot_2022-02-09_12-11-33.png 
  16653   Wed Feb 9 13:55:05 2022 KojiUpdateGeneralBringing back CDSGreat recovery work and cleaning of the
rebooting process.

I'm just curious: Did you observe
  
  16654   Wed Feb 9 14:34:27 2022 IanSummaryComputer Scripts / ProgramsSUS Plant Plan for New OpticsRestarted the C1sim machine at about 12:30
to help diagnose a network problem. Everything
is back up and running
 SummaryMdemScreen.png 
  16655   Wed Feb 9 16:43:35 2022 PacoUpdateGeneralScheduled power outage recovery - Locking mode cleaner(s)[Paco, Anchal]


We went in and measured
the power after the power splitting HWP at
  
  16656   Thu Feb 10 14:39:31 2022 KojiSummaryComputersNetwork security issue resolved[Mike P / Koji / Tega / Anchal]

IMSS/LIGO IT notified us that "ILOM
ports" of one of our hosts on the "114"
 PXL_20220210_220816955.jpgPXL_20220210_220827167.jpg 
  16657   Thu Feb 10 15:41:00 2022 AnchalUpdateGeneralScheduled power outage recovery - Locking mode cleaner(s)I found out that the ESP300 service needs
to be run in root mode for it to be able
to connect to the USB port of HWP motor controller.
  
  16658   Thu Feb 10 17:57:48 2022 AnchalUpdateGeneralScheduled power outage recovery - Locking mode cleaner(s)Something is wrong with the Video MUX.
The system did not turn back on with full
functionality. Even though we see the screens
 PXL_20220211_021509819.jpg 
  16659   Thu Feb 10 19:03:23 2022 KojiUpdateGeneralScheduled power outage recovery - Locking mode cleaner(s)I came back to the 40m and started the
investigation.

If I ping 192.168.113.92, it responds.
  
  16660   Thu Feb 10 19:46:37 2022 KojiUpdateGeneralScheduled power outage recovery - Locking mode cleaner(s)==
Assign new IP address to c1sus2 ==

cf: [40m
  
  16661   Thu Feb 10 21:10:43 2022 KojiUpdateGeneralVideo Mux setting resetNow the video matrix is responding correctly
and the web interface shows up. (Attachment
1)
 Screenshot_2022-02-10_21-11-21.pngScreenshot_2022-02-10_21-11-54.png 
  16662   Thu Feb 10 21:16:27 2022 KojiSummaryCDSchiara resolv.conf wierdoDuring the videomux debug, I noticed that
the host name resolving on chiara didn't
behave well. Basically I could not login
  
  16663   Thu Feb 10 21:51:02 2022 KojiUpdateCDS[Solved] Huge random numbers flowing into ETMX/ETMY ASC PIT/YAWHuge random numbers are flowing into ETMX/ETMY
ASC PIT/YAW. Because of this, I could not
damp the ETMX/ETMY suspension at the beginning
 Screenshot_2022-02-10_21-46-02.pngScreen_Shot_2022-02-10_at_21.54.21.pngScreen_Shot_2022-02-10_at_22.14.23.png 
  16664   Fri Feb 11 10:56:38 2022 AnchalUpdateCDS[Solved] Huge random numbers flowing into ETMX/ETMY ASC PIT/YAWYeah, this is a known issue actually. We
go to ASC screen and manually swich off all
the outputs after every reboot. We haven't
  
  16665   Fri Feb 11 11:17:00 2022 AnchalUpdateGeneralScheduled power outage recoveryI found that two computers are not powering
up in the control room, Ottavia and Allegra.
Allegra was important for us as it had the
  
  16666   Fri Feb 11 12:22:19 2022 ranaUpdateCDS[Solved] Huge random numbers flowing into ETMX/ETMY ASC PIT/YAWyou
can hand edit the autoBurt file which the
FE uses to set the values after boot up.
  
  16667   Fri Feb 11 16:09:11 2022 AnchalUpdateGeneralScheduled power outage recovery - Input power increasedWe increased the input power to IMC by
replacing the 98% transmission BS by a 10%
transmission BS on the detection table (reverse
  
  16668   Fri Feb 11 17:07:19 2022 AnchalUpdateCDS[Solved] Huge random numbers flowing into ETMX/ETMY ASC PIT/YAWThe autoBurt file for FE already has the
C1:ASC-ETMX_PIT_SW2 (and other channels for
ETMY, ITMX, ITMY, BS and for YAW) present,
  
  16669   Mon Feb 14 18:31:50 2022 PacoUpdateGeneralScheduled power outage recovery - IMC recovery progress[Paco, Anchal, Tega]

We have been realigning the IMC
as of last Friday (02/11). Today we made
  
  16670   Mon Feb 14 18:43:49 2022 PacoSummaryGeneralSOS materials clean room cleared[Yehonathan, Paco]

We put away most items used / involved
in SOS assembly and characterization. Many
  
  16671   Mon Feb 14 21:03:25 2022 KojiUpdateGeneralScheduled power outage recoveryI opened the boxes. Allegra has obvious
vent of at least 4 caps. And the power supply
did not respond even a paper clip test was
 PXL_20220215_025325118.jpg 
  16672   Tue Feb 15 19:32:50 2022 KojiUpdateGeneralScheduled power outage recovery - IMC recovery progressReduced the IMC power to 100mW

Setup: The power
meter was placed right before the final aperture
 PXL_20220216_001731377.jpgScreen_Shot_2022-02-15_at_16.18.16.pngPXL_20220216_001727465.jpgScreen_Shot_2022-02-15_at_16.22.16.pngPXL_20220216_002229572.jpg 
  16673   Tue Feb 15 19:40:02 2022 KojiUpdateGeneralIMC lockingIMC
is locking now. There was
nothing wrong: just a careful alignment +
  
  16674   Wed Feb 16 15:19:41 2022 AnchalUpdateGeneralReconfigured MC reflection path for low powerI reconfigured the MC reflection path for
low power. This meant the following changes:


Replaced the 10% reflection
  
  16675   Tue Feb 22 18:47:51 2022 Ian MacMillanUpdateSUSETMY SUS Electronics Replacement[Ian, Koji]

In preparation for the replacement
of the suspension electronics that control
 ALL_TF_Graph.pdf20220222_SUSElectronicsReplacement.7z 
  16676   Wed Feb 23 15:08:57 2022 AnchalUpdateGeneralRemoved extra beamsplitter in MC WFS pathAs discussed in the meeting, I removed
the extra beam splitter that dumps most of
the beam going towards WFS photodiodes. 
  
  16677   Thu Feb 24 14:32:57 2022 AnchalUpdateGeneralMC RFPD DCMON channel got stuck to 0I found a peculiar issue today. The C1:IOO-MC_RFPD_DCMON
remains constantly 0. I wonder if the RFPF
output is being read properly. I opened the
  
  16678   Thu Feb 24 18:05:58 2022 YehonathanUpdateBHDRe-susspension of AS1{Yehonathan, Anchal, Paco}

Yesterday, Anchal and Paco removed
AS1 from the vacuum chamber and moved it
 signal-2022-02-24-173933_003.jpegsignal-2022-02-24-173933_002.jpeg 
  16679   Thu Feb 24 19:26:32 2022 AnchalUpdateGeneralIMC LockingI think I have aligned the cavity, including
MC1 such that we are seeing flashing of fundamental
mode and significant transmission sum value
  
  16680   Fri Feb 25 14:00:08 2022 Ian MacMillanUpdateSUSETMY SUS Electronics Replacement[Koji, Ian]

We looked at a few power supplies
and we found one that was marked "CHECK
 IMG_0853.jpgIMG_0852.jpg 
  16681   Fri Feb 25 14:48:53 2022 Ian MacMillanUpdateSUSETMY SUS Electronics ReplacementI moved the network-enabled power strip
from above the power supplies on rack 1y4
to below. Nothing was powered through the
 Before.jpgAfter.jpg 
  16682   Sat Feb 26 01:01:40 2022 TegaUpdateVACOngoing work to get the FRG gauges readouts to EPICs channelsI will make a detailed elog later today
giving a detailed outline of the connection from
the Agilent gauge controller to the vacuum
  
  16683   Sat Feb 26 15:45:14 2022 TegaUpdateVACOngoing work to get the FRG gauges readouts to EPICs channelsI have attached a flow diagram of my understanding
of how the gauges are connected to the network.

Earlier today, I connected the
 Vac-gauges-flow-diagram.png 
  16684   Sat Feb 26 23:48:14 2022 KojiUpdateSUSETMY SUS Electronics Replacement[Ian, Koji] - Activity
on 25th (Fri)

We continued working on
 PXL_20220226_023111179_2.jpg 
  16685   Sun Feb 27 00:37:00 2022 KojiUpdateGeneralIMC Locking RecoverySummary:

- IMC was locked.
- Some alignment change in the output
 PXL_20220226_093809056.jpgPXL_20220226_093854857.jpgPXL_20220226_100859871.jpgScreenshot_2022-02-26_01-56-31.pngScreenshot_2022-02-26_01-56-47.png 
  16686   Sun Feb 27 01:12:46 2022 KojiUpdateGeneralIMC manual alignment procedureWe expect that the MC sus are susceptible
to the temperature change and the alignment
drifts away with time.
 PXL_20220226_100859871.jpg 
  16687   Mon Feb 28 15:51:07 2022 Ian MacMillanUpdateSUSETMY 1Y4 Electronics Replacement[Paco, Ian]

paco helped me wire the ETMY 1Y4
rack. We wired the following (copied from
 IMG_0865.jpgIMG_0867.jpgIMG_0868.jpgIMG_0866.jpg 
  16688   Mon Feb 28 19:15:10 2022 TegaUpdateVACOngoing work to get the FRG gauges readouts to EPICs channelsI decided to create an independent service
for the XGS data readout so we can get this
to work first before trying to integrate
  
  16689   Tue Mar 1 16:01:14 2022 PacoUpdateElectronicsRFSoC 2x2 board -- setup for remote work & BALUN saga[Tommy, Paco]

Since last week I've worked
with tommy on getting the RFSoC 2x2 board
 balun_adc1.pngPXL_20220302_001734121.jpg 
  16690   Tue Mar 1 19:26:24 2022 KojiUpdateSUSETMY SUS Electronics ReplacementThe replacement key switches and Ne Indicators
came in. They were replaced and work fine
now.
 PXL_20220302_025723651.jpgPXL_20220302_030102033.MP.jpg 
  16691   Tue Mar 1 20:38:49 2022 TegaUpdateVACOngoing work to get the FRG gauges readouts to EPICs channelsDuring my investigation, I inadvertently
overwrote the serial port configuration for
the connected devices. So I am now working
 Working_Serial_Port_List_1.pngWorking_Serial_Port_List_2.pngWorking_Config_Ports#1-5.pngWorking_Config_Ports#7-8.png 
  16692   Wed Mar 2 11:50:39 2022 TegaUpdateVACOngoing work to get the FRG gauges readouts to EPICs channelsHere is the IOLAN SDS TCP socket setting
and the USBserial setting for comparison.

I have also included the python
 XGS600_IOLAN_settings_1.pngXGS600_IOLAN_settings_2.pngXGS600_USBserial_settings.pngXGS600_comm_test.pyXGS600_comm_test_result.txt 
  16693   Wed Mar 2 12:40:08 2022 TegaUpdateVACOngoing work to get the FRG gauges readouts to EPICs channelsConnector Test:

A quick test to rule out any issue
with the Ethernet to Serial adapter was done
 6x 
  16694   Wed Mar 2 14:02:43 2022 YehonathanUpdateBHDRe-susspension of AS1Yesterday, I rebuilt the OpLev setup in
the cleanroom in order to suspend AS1. It
took me a while to find all the necessary
  
  16695   Thu Mar 3 04:11:36 2022 KojiUpdateSUSETMY 1Y4 Electronics ReplacementFor the Y-end electronics replacement,
we want to remove unused power supplies.
In fact, we already removed the +/-5V supplies
 PXL_20220303_082726693.jpgPXL_20220303_082752494.jpgPXL_20220303_082744464.jpg 
  16696   Thu Mar 3 04:24:23 2022 KojiUpdateSUSETMY 1Y4 Electronics ReplacementThe DC power strip at Y-end was connected
to the bottom two Sorensen power supplies.
They are configured to provide +/-18V.
 PXL_20220303_094421604.jpgPXL_20220303_094435127.jpg 
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