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ID Date Author Typeup Category Subject Text Attachments
  16562   Mon Jan 10 14:52:51 2022 AnchalSummaryBHDLO1 OSEMs roughly calibrated and noise measuredI used the open light level output of 908
for ITMX side OSEM from 40m/16549
to roughly calibrate cts2um filter module
 LO1_vs_ETMX_OSEM_Spectrum_LF_x30_Gain.pdfLO1_vs_ETMX_OSEM_Spectrum_HF_x30_Gain.pdf 
  16567   Mon Jan 10 18:36:41 2022 AnchalSummaryBHDLO1 free swinging test set to triggerLO1 is set to go through a free swinging
test at 1 am tonight. We have used this script
(scripts/SUS/InMatCalc/freeSwing.py) reliably
  
  16572   Tue Jan 11 12:19:12 2022 AnchalSummaryBHDLO1 Input Matrix Diagonalization performed.The frree swinging test was successful.
I ran the input matrix diagonalization code
(scripts/SUS/InMAtCalc/sus_diagonalization.py)
 LO1_SUS_InpMat_Diagnolization.pdfLO1_FreeSwingData_PeakFitting.pdf 
  16577   Tue Jan 11 18:18:29 2022 AnchalSummaryBHDAttempted OSEM installation on AS1[Anchal, Paco, Yehonathan]

Connected in-cir cable to new flange
on ITMY Chamber
  
  16578   Tue Jan 11 18:40:25 2022 AnchalSummaryBHDAS1 Sat Amp has a PCB issueAS1
Sat Amp (S2100741) has a critical PCB
issue on it's Ch5-8 board S2100548. This
 signal-2022-01-11-184917.jpeg 
  16579   Thu Jan 13 09:48:41 2022 AnchalSummaryBHDAS1 Sat Amp fixedI fixed the issue in AS1
Sat Amp (S2100741) by using a razor blade.
I cut the short between the two places, cleaned
 signal-2022-01-13-094823_001.jpegsignal-2022-01-13-094823_002.jpeg 
  16580   Thu Jan 13 12:24:08 2022 AnchalSummaryBHDAS1 SD and LR magnets broke[Anchal (vacuum work), Paco (outside)]

After the AS1 Sat Amp fix (40m/16579),
we today were able to tune all OSEMs to the
  
  16581   Thu Jan 13 12:29:27 2022 AnchalSummaryBHDAS4 LR magnet brokeAfter the debacle with AS1 (40m/16580),
we decided the put the PEEK earthquake stop
by first removing the lower OSEM plate and
  
  16590   Fri Jan 14 18:12:47 2022 AnchalSummaryBHDAS4 placed in ITMY Chamber, OSEMs connectedAS4 was succesfully suspended and trasported
to ITMY chamber (40m/16589).
We placed it near the door to make it easy
  
  16591   Tue Jan 18 14:26:09 2022 PacoSummaryBHDPart IX of BHR upgrade - Placed remaining filters SR2, PR3, PR2[Anchal, Paco]

Added input filters, input matrix,
damping filters, output matrix, coil filters,
  
  16592   Tue Jan 18 15:19:49 2022 PacoSummaryBHDPart IV of BHR upgrade - Replaced old SR3 with SOS SR2. OSEM tuning attemtped.[Tega, Anchal, Paco]

We started working on SR2 installation.
Preliminary work involved
 PXL_20220119_012954365.jpgPXL_20220119_013003522.jpg 
  16593   Tue Jan 18 18:16:28 2022 AnchalSummaryBHDPart IV of BHR upgrade - SR2 Sat Amp Box inspectionI tested the monitor ports on the SR2
Sat Amp Box but found that all LED Mon
and PD Mon are giving expected values. I
  
  16594   Tue Jan 18 18:19:22 2022 KojiSummaryBHDAS4 placed in ITMY Chamber, OSEMs connectedAS4 satellite amplifier D1002818
/ D080276 troubleshoot

I dug into the circuit to see what/where
 Screen_Shot_2022-01-18_at_17.48.16.pngcable_swap.png 
  16595   Wed Jan 19 12:50:10 2022 AnchalSummaryBHDPart IV of BHR upgrade - SR2 OSEM tuning progress.It was indeed the issue of the top OSEM
plate not being in the right place horizontally.
But the issue was more non-trivial. I believe
  
  16596   Wed Jan 19 12:56:52 2022 PacoSummaryBHDAS4 OSEMs installation[Paco, Tega, Anchal]

Today, we started work on AS4 SOS
by checking the OSEM and cable. Swapping
  
  16605   Thu Jan 20 17:03:36 2022 AnchalSummaryBHDPart IV of BHR upgrade - SR2 OSEM tuned.The main issue with SR2 OSEMs, now that
I think of it, was that the BS table was
very inclined due to the multiple things
 DJI_0144.JPG 
  16609   Thu Jan 20 18:41:55 2022 AnchalSummaryBHDSR2 set to trigger free swing testSR2 is set to go through a free swinging
test at 3 am tonight. We have used this script
(Git/40m/scripts/SUS/InMatCalc/freeSwing.py)
  
  16610   Fri Jan 21 11:24:42 2022 AnchalSummaryBHDSR2 Input Matrix Diagonalization performed. The free swinging test
was successful. I ran the input matrix diagonalization
code (
 SR2_SUS_InpMat_Diagnolization_20220121.pdfSR2_FreeSwingData_PeakFitting_20220121.pdf 
  16615   Mon Jan 24 17:10:25 2022 TegaSummaryComputer Scripts / ProgramsSUS Plant Plan for New Optics[Ian, Tega]

Connected the New SUS screens to
the controller for the simplant model. Because of
 Screen_Shot_2022-01-24_at_5.33.15_PM.png 
  16618   Mon Jan 24 18:53:09 2022 AnchalSummaryBHDPart VIII of BHR upgrade - LO2 placed and OSEMs tunedI placed LO2 in its planned position in
BS chamber, inserted the OSEMs, and tuned
their position to halfway brightness. At
  
  16620   Mon Jan 24 21:18:40 2022 PacoSummaryBHDPart IX of BHR upgrade - AS1 placed and OSEM tuned[Paco]

AS1 was installed in the ITMY chamber
today. For this I moved AS4 to its nominal
  
  16621   Tue Jan 25 10:55:02 2022 AnchalSummaryBHDPart VIII of BHR upgrade - LO2 input matrix diagonalization performed.The free swinging test was successful.
I ran the input matrix diagonalization code
(/opt/rtcds/caltech/c1/Git/40m/scripts/SUS/InMAtCalc/sus_diagonalization.py)
  
  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 
  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
  
  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
  
  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 
  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
  
  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.
  
  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 
  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
  
  16631   Fri Jan 28 11:30:52 2022 KojiSummaryBHDPart III of BHR upgrade - PR2 OSEM finalized, reinsall LO1 OSEMsAll
green! Great work, Team!
  
  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 
  
  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 
  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 
  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 
  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 
  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 
  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 
  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 
  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 
  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 
  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 
  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
  
  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
  
  16697   Thu Mar 3 15:37:40 2022 AnchalSummaryCDSc1teststand restructuredc1teststand has been restructured. There
is no port computer called 'c1teststand'
anymore. When you ssh into the c1teststand
  
  16700   Fri Mar 4 11:04:34 2022 AnchalSummaryCDSc1susaux2 system setup and runningI took the c1teststand computer from teststand
and converted it into c1susaux2. To do so,
I installed a fresh copy of debian 10 on
 40mBHD_C1SUSAUX2_Acromag_Chassis.pdf 
  16702   Sat Mar 5 01:58:49 2022 KojiSummaryCDSpaola rescueETMY end ThinkPad "paola" could
not reboot due to "Fan Error".
It seems that it is the failure of the CPU
 PXL_20220305_035255834.jpgPXL_20220305_034649120.MP.jpg 
  16712   Mon Mar 7 19:38:47 2022 AnchalSummaryCDSc1susaux2 slow controls issuesI tried to perform a simple enabling test
of coils using c1susaux2 modbus channels
but failed. I'm able to do the enabling
  
  16724   Mon Mar 14 12:20:05 2022 AnchalSummaryCDSc1susaux2 slow controls acromag chassis installed[Anchal, Yehonathan, Ian]

We installed c1susaux2 acromag
chassis in 1Y0 with c1susaux2 computer. We
 BHD_WatchDogs.png40mBHD_C1SUSAUX2_Acromag_Chassis.pdf 
  16726   Tue Mar 15 11:52:34 2022 AnchalSummaryCDSc1su2 model updated for sending Run/Acquire Binary Output to Binary Interface cardI routed the XXX_COIL_DW signals from the
7 SOS blocks in c1su2.mdl (located at /cvs/cds/rtcds/userapps/trunk/sus/c1/models/c1su2.mdl)
to the binary outputs from the FE model.
 c1su2.pdf 
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