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ID Date Author Type Category Subject Text Attachments
  16673   Tue Feb 15 19:40:02 2022 KojiUpdateGeneralIMC lockingIMC
is locking now. There was
nothing wrong: just a careful alignment +
  
  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 
  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 
  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
  
  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
  
  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,
  
  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
  
  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.
  
  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
  
  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
  
  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 
  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
  
  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 
  16660   Thu Feb 10 19:46:37 2022 KojiUpdateGeneralScheduled power outage recovery - Locking mode cleaner(s)==
Assign new IP address to c1sus2 ==

cf: [40m
  
  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.
  
  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 
  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.
  
  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 
  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
  
  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 
  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
  
  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 
  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 
  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)
  
  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
  
  16648   Mon Feb 7 09:00:26 2022 PacoUpdateGeneralScheduled power outage recovery[Paco]

Started recovering from scheduled
(Feb 05) power outage. Basically, time-reversing
  
  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 
  16646   Fri Feb 4 10:04:47 2022 ChubUpdateGeneraldish soap and clean scrub sponges!Bought dish soap and scrub sponges today
and placed them under the sink with the other
dish supplies.
 40m_supplies.jpg 
  16645   Thu Feb 3 17:15:23 2022 TegaSummaryComputer Scripts / ProgramsSUS Plant Plan for New OpticsFinally got the SIMPLANT damping to work
following Rana's suggestion to try damping
one DoF at a time, woo-hoo!
 Screen_Shot_2022-02-03_at_8.23.07_PM.png 
  16644   Thu Feb 3 14:47:12 2022 ChubUpdateElectronicsnew UPS in placeReceived the new 1100VA APC UPS today and
placed it at the bottom of the valve rack. 
I'd connected the battery and plugged
  
  16643   Thu Feb 3 10:25:59 2022 JordanUpdateVACTP1 and Manual Gate Valve InstallJordan, Chub

Chub and I installed the new manual
gate valve (Nor-Cal GVM-6002-CF-K79) and
 20220203_101455.jpg20220203_094831.jpg20220203_094823.jpg 
  16641   Wed Feb 2 21:16:23 2022 KojiSummaryBHDOptomechanics configuration for the in-vacuum aux small opticsAsked Jordan to clean 2x 1.5" posts
(0.5 dia) and a washer with 1" dia.

 
 PXL_20220203_050156031.jpg 
  16640   Wed Feb 2 18:55:58 2022 KojiSummaryBHDOptomechanics configuration for the in-vacuum aux small opticsHere is more detail of the POP_SM4
mount assembly.

It's a combination of BA2V
 Screen_Shot_2022-02-02_at_6.46.46_PM.png 
  16639   Wed Feb 2 16:32:02 2022 AnchalSummaryBHDPart IX of BHR upgrade - AS1 free swing test still not goodWe still did not get a good AS1 free swinging
spectrum. It seems the Side OSEM is reporting
coupling to too many DOFs and some extra
 AS1_FreeSwingData_PeakFitting_20220125.pdfAS1_SUS_InpMat_Diagnolization_20220202.pdf 
  16638   Wed Feb 2 16:27:57 2022 AnchalSummaryBHDPart III of BHR upgrade - PR3 inpute matrix diagonalizedThe
free swinging test was successful. I
ran the input matrix diagonalization code
 PR3_FreeSwingData_PeakFitting_20220125.pdfPR3_SUS_InpMat_Diagnolization_20220202.pdf 
  16637   Wed Feb 2 16:22:00 2022 AnchalSummaryBHDPart III of BHR upgrade - PR2 inpute matrix diagonalizedThe
free swinging test was successful. I
ran the input matrix diagonalization code
 PR2_FreeSwingData_PeakFitting_20220125.pdfPR2_SUS_InpMat_Diagnolization_20220202.pdf 
  16636   Tue Feb 1 20:16:09 2022 TegaUpdateBHDPR2 candidate mirror analysisgit repo: git@git.ligo.org:tega-edo/charmirrormap.git

The analysis code takes in a set
of raw images, 10 in our case,  for
 PR2_M2_data.pngPR2_M2_recon_FoV_10mm.pngPR2_M2_residual_FoV_10mm.png 
  16635   Tue Feb 1 15:33:28 2022 KojiSummaryBHDOptomechanics configuration for the in-vacuum aux small opticsI've summarized the optomechanics configuration
for the in-vacuum aux small optics

It's not obvious here but the
 Invac_opto_mechanics_v2.pdf 
  16634   Mon Jan 31 10:39:19 2022 JordanUpdateVACTP1 and Manual Gate Valve RemovalJordan, Chub

Today, Chub and I removed TP1 and
the failed manual gate valve off of the pumping
 20220131_100637.jpg20220131_102807.jpg20220131_102818.jpg20220131_100647.jpg 
  16632   Fri Jan 28 16:35:18 2022 AnchalSummaryBHDAS1, PR2 and PR3 set to trigger free swing testAS1, PR2 and PR3 are set to o go through
a free swinging test at 3 am. We have used
this script 
  
  16631   Fri Jan 28 11:30:52 2022 KojiSummaryBHDPart III of BHR upgrade - PR2 OSEM finalized, reinsall LO1 OSEMsAll
green! Great work, Team!
  
  16630   Fri Jan 28 10:37:59 2022 PacoSummaryBHDPart III of BHR upgrade - PR2 OSEM finalized, reinsall LO1 OSEMs[Paco]

Thanks to Koji's hotfix on
the PR2 SatAmp box last evening, this morning
  
  16629   Thu Jan 27 20:46:38 2022 KojiSummaryBHDPart III of BHR upgrade - Install PR2, balance, and attempt OSEM tuning
Started debugging D1002818
/ S2100737
(8:30PM)
Confirmed the issue of
 Screen_Shot_2022-01-27_at_20.33.56.pngScreen_Shot_2022-01-27_at_21.30.16.png 
  16628   Thu Jan 27 18:03:36 2022 PacoSummaryBHDPart III of BHR upgrade - Install PR2, balance, and attempt OSEM tuning[Paco, Anchal, Tega]

After installing the short OSEMs
into PR2, we moved it into ITMX Chamber.
  
  16627   Thu Jan 27 17:57:35 2022 AnchalSummaryBHDPart III of BHR upgrade - Replaced small suspended PR3 with new SOS PR3 and OSEM tuning[Anchal, Paco]

We removed the old PR3 housed in
a tip-tilt style suspension and put it on
  
  16626   Thu Jan 27 16:40:57 2022 TegaSummaryComputer Scripts / ProgramsSUS Plant Plan for New Optics[Ian, Paco, Tega]

Last night we set up the four main
matrices that handle the conversion between
 simplant_control_1.pngsimplant_control_0.png 
  16625   Thu Jan 27 08:27:34 2022 PacoSummaryBHDPart IX of BHR upgrade - AS1 inspection and correction[Paco]

This morning, I went into ITMY
chamber to inspect AS1 after the free swinging
  
  16624   Tue Jan 25 18:37:12 2022 TYehonathanUpdateBHDPR2 SuspensionPR2's side magnet height was adjusted
and its roll was balanced (attachment 1,2).
I verified that the OpLev beam is still aligned.
 PR2_magnet_height.pngPR2_roll_balance.pngFreeSwingingSpectra_div_50mV.pdf 
  16623   Tue Jan 25 16:42:03 2022 AnchalSummaryBHDReduced filter gains in all damped new SOSI noticed that our current suspension damping
loops for the new SOS were railing the DAC
outputs. The reason being that cts2um module
  
  16622   Tue Jan 25 11:02:54 2022 AnchalSummaryBHDPart IX of BHR upgrade - AS1 free swing test failedFor some reasonf the free swing test showed
only one resonance peak (see attachment 1).
This probably happened because one of the
 AS1_freeSwingTestFailed.pdf 
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