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ID Date Authordown Type Category Subject Text Attachments
  16282   Wed Aug 18 20:30:12 2021 AnchalUpdateASSFixed runASS scriptsLate elog:
Original time of work Tue Aug 17 20:30 2021


I locked the arms yesterday
  
  16283   Thu Aug 19 03:23:00 2021 AnchalUpdateCDSTime synchornization not runningI tried to read a bit and understand the
NTP synchronization implementation in FE
computers. I'm quite sure that NTP synchronization
  
  16285   Fri Aug 20 00:28:55 2021 AnchalUpdateCDSTime synchornization not runningI added ntpserver as a known host name
for address 192.168.113.201 (fb1's address
where ntp server is running) in the martian
  
  16286   Fri Aug 20 06:24:18 2021 AnchalUpdateCDSTime synchornization not runningI read on some stack exchange that 'NTP
synchornized' indicator turns 'yes'
in the output of command timedatectl only
  
  16291   Mon Aug 23 22:51:44 2021 AnchalUpdateGeneralTime synchronization effortsRelated elog thread: 16286


I didn't really achieve
anything but I'm listing what I've
  
  16292   Tue Aug 24 09:22:48 2021 AnchalUpdateGeneralTime synchronization working nowJamie 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
  
  16295   Tue Aug 24 22:37:40 2021 AnchalUpdateGeneralTime synchronization not really workingI 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
  
  16322   Mon Sep 13 15:14:36 2021 AnchalUpdateLSCXend Green laser injection mirrors M1 and M2 not responsiveI was showing some green laser locking
to Tega, I noticed that changing the PZT
sliders of M1/M2 angular position on Xend
  
  16330   Tue Sep 14 17:22:21 2021 AnchalUpdateCDSAdded temp sensor channels to DAQ list[Tega, Paco, Anchal]

We attempted to reboot fb1 daqd
today to get the new temperature sensor channels
  
  16337   Thu Sep 16 10:07:25 2021 AnchalUpdateGeneralMelting 2Put outside.




 PXL_20210916_170602832.jpg 
  16340   Thu Sep 16 20:18:13 2021 AnchalUpdateGeneralResetFridge brought back inside.




 PXL_20210917_031633702.jpg 
  16351   Tue Sep 21 11:09:34 2021 AnchalSummaryCDSXARM YARM UGF Servo and Oscillators addedI've updated the c1LSC simulink model
to add the so-called UGF servos in the XARM
and YARM single arm loops as well. These
  
  16354   Wed Sep 22 12:40:04 2021 AnchalSummaryCDSXARM YARM UGF Servo and Oscillators shifted to OAFTo reduce burden on c1lsc, I've shifted
the added UGF block to to c1oaf model. c1lsc
had to be modified to allow addition of an
  
  16365   Wed Sep 29 17:10:09 2021 AnchalSummaryCDSc1teststand problems summary[anchal, ian]

We went and collected some information
for the overlords to fix the c1teststand
 c1teststand_issues_summary.pdf 
  16367   Thu Sep 30 14:09:37 2021 AnchalSummaryCDSNew way to ssh into c1teststandLate elog, original time
Wed Sep 29 14:09:59 2021

We opened a new port (22220) in
  
  16368   Thu Sep 30 14:13:18 2021 AnchalUpdateLSCHV supply to Xend Green laser injection mirrors M1 and M2 PZT restoredLate elog, original date Sep 15th

We found that the power switch
of HV supply that powers the PZT drivers
  
  16372   Mon Oct 4 11:05:44 2021 AnchalSummaryCDSc1teststand problems summary[Anchal, Paco]

We tried to fix the ntp synchronization
in c1teststand today by repeating the steps
  
  16381   Tue Oct 5 17:58:52 2021 AnchalSummaryCDSc1teststand problems summaryopen-mx service is running successfully
on the fb1(clone), c1bhd and c1sus.

  
  16382   Tue Oct 5 18:00:53 2021 AnchalSummaryCDSc1teststand time synchronization working nowToday I got a new router that I used to
connect the c1teststand, fb1 and chiara.
I was able to see internet access in c1teststand
  
  16385   Wed Oct 6 15:39:29 2021 AnchalSummarySUSPRM and BS Angular Actuation transfer function magnitude measurementsNote that your tests were done with the
output matrix for BS and PRM in the compensated
state as done in 40m/16374.
  
  16391   Mon Oct 11 17:31:25 2021 AnchalSummaryCDSFixed mounting of mx devices in fb. daqd_dc is running now.

  
  16392   Mon Oct 11 18:29:35 2021 AnchalSummaryCDSMoving forward?The teststand has some non-trivial issue
with Myrinet card (either software or hardware)
which even teh experts are saying they don't
  
  16395   Tue Oct 12 17:10:56 2021 AnchalSummaryCDSSome more informationChris pointed out some information displaying
scripts, that show if the DAQ network is
working or not. I thought it would be nice
  
  16396   Tue Oct 12 17:20:12 2021 AnchalSummaryCDSConnected c1sus2 to martian networkI connected c1sus2 to the martian network
by splitting the c1sim connection with a
5-way switch. I also ran another ethernet
  
  16398   Wed Oct 13 11:25:14 2021 AnchalSummaryCDSRan c1sus2 models in martian CDS. All good!Three extra steps (when adding
new models, new FE):


Chris
pointed out that the sudo command in c1sus2
 CDS_screens_running.png 
  16407   Fri Oct 15 16:46:27 2021 AnchalSummaryOptical LeversVent PrepI centered all the optical levers on ITMX,
ITMY, ETMX, ETMY, and BS to a position where
the single arm lock on both were best aligned.
 Screen_Shot_2021-10-15_at_4.34.45_PM.pngScreen_Shot_2021-10-15_at_4.45.31_PM.pngScreen_Shot_2021-10-15_at_4.34.45_PM.pngScreen_Shot_2021-10-15_at_4.34.45_PM.png 
  16416   Wed Oct 20 11:16:21 2021 AnchalSummaryPEMParticle counter setup near BS ChamberI have placed a GT321 particle counter
on top of the MC1/MC3 chamber next to the
BS chamber. The serial cable is connected
 PXL_20211020_183728734.jpg 
  16417   Wed Oct 20 11:48:27 2021 AnchalSummaryCDSPower supple configured correctly.This was horrible! That's my bad, I
should have checked the configuration before
assuming that it is right.
  
  16420   Thu Oct 21 11:41:31 2021 AnchalSummaryPEMParticle counter setup near BS ChamberThe particle count channel names were changes
yesterday to follow naming conventions used
at the sites. Following are the new names:
 ParticleCountData20211021.pdf 
  16424   Mon Oct 25 13:23:45 2021 AnchalSummaryBHDBefore photos of BSC[Yehonathan, Anchal]

On thursday Oct 21 2021, Yehonathan
and I opened the door to BSC and took some
  
  16425   Mon Oct 25 17:37:42 2021 AnchalSummaryBHDPart I of BHR upgrade - Removed optics from BSC[Anchal, Paco, Ian]


Clean room etiquettes


Two
people in coverall suits, head covers, masks
 rn_image_picker_lib_temp_44cb790a-c3b4-42aa-8907-2f9787a02acd.jpgrn_image_picker_lib_temp_0fd8f4fd-64ae-4ccd-8422-cfe929d4eeee.jpg 
  16431   Wed Oct 27 16:27:16 2021 AnchalSummaryBHDPart II of BHR upgrade - Prep[Anchal, Paco, Ian]

Before we could start working on
Part II, which is to relocate TT2 to new
 OMCNorthBefore.jpegOMCNorthAfter.jpeg 
  16432   Wed Oct 27 16:31:35 2021 AnchalSummaryBHDPart III of BHR upgrade - Removal of PR2 Small SuspensionI went inside the ITMX Chamber to read
off specs from PR2 edge. This was required
to confirm our calculations of LO power for
  
  16433   Wed Oct 27 16:38:02 2021 AnchalSummaryBHDPart II of BHR upgrade - Relocation of TT2 and MMT1/2 alignment[Anchal, Paco]

We opened BSC and Injection Chamber
doors. We removed two stacked counterweights
  
  16438   Thu Oct 28 17:01:54 2021 AnchalSummaryBHDPart III of BHR upgrade - Adding temp fixed flat mirror for PR2[Anchal, Paco, Ian]


We added a Y1-2037-0 mirror
(former IPPOS SM2 mirror) on a fixed mount
  
  16440   Fri Oct 29 14:39:37 2021 AnchalSummaryBHD1Y1 cleared. IY3 ready for C1SUS2 I/O and FE.[Anchal, Paco]

We cleared 1Y1 rack today removing
the following items. This stuff is sitting
 RemovedStuff.jpeg1Y1.jpeg1Y3.jpeg 
  16450   Fri Nov 5 12:21:16 2021 AnchalSummaryBHDPart VI of BHR upgrade - Removal of ITMYC opticsToday I opened the ITMY chamber and removed
the following optics and placed them in Xend
flow bench (See attachment 1-3 for updated
 XendFlowBenchLeftEnd.jpgXendFlowBenchMiddle.jpgXendFlowBenchRightEnd.jpg 
  16463   Tue Nov 9 19:02:47 2021 AnchalSummaryBHD1Y0 Populated and 1Y1,1Y0 powered[Anchal, Paco]

Today we populated 4 Sat Amp boxes
for LO1, Lo2, AS1, and AS4, 2 BO boxes for
  
  16474   Wed Nov 17 17:37:53 2021 AnchalUpdateGeneralPlaced Nodus and fb1 on UPS powerToday I placed nodus and fb1 on UPS battery
backed supply. Now power glitches should
not hurt our cds system.
  
  16476   Thu Nov 18 15:16:10 2021 AnchalUpdateGeneralMoved Chiara to 1X7 above nodus powered with same UPS[Anchal, Paco]

We moved chiara to 1X7 above nodus
and powered with same UPS from a battery
  
  16479   Mon Nov 22 17:42:19 2021 AnchalUpdateGeneralConnected Megatron to battery backed ports of another UPS[Anchal, Paco]

I used the UPS that was providing
battery backup for chiara earlier (a APS
  
  16480   Tue Nov 23 18:02:05 2021 AnchalUpdateIMCMC autolocker shifted to python3 script running in dockerI finished copying over the current autolocker
bash script functionality into a python script
  
  16509   Wed Dec 15 16:11:38 2021 AnchalSummaryBHDPart VIII of BHR upgrade - Placed LO1[Anchal, Yehonathan, Paco]


Today we opened ITMX chamber
and removed the following optics and placed
 signal-2021-12-15-161437.jpeg 
  16512   Thu Dec 16 12:21:16 2021 AnchalUpdateBHDCoil driver test failed for S2100619-v1Today I found one of the coil driver boards,
S2100619
failed the test on CH2. There appears to
 D1100687_S2100619-v1_TF_CH2_Not_Matching.pdf 
  16514   Thu Dec 16 15:32:59 2021 AnchalUpdateBHDFinished Coil driver (odd serial number) units testsWe have completed modifications and testing
of the HAM Coil driver D1100687 units with
serial numbers listed below. The DCC
  
  16517   Thu Dec 16 17:57:17 2021 AnchalUpdateBHDFinished Coil driver (odd serial number) units testsS2100619 was fixed
by Koji and it passed the test after
that.
  
  16525   Sun Dec 19 07:52:51 2021 AnchalUpdateSUSRemaining task for 2021The I/O chassis reassigns the ADC and DAC
indices on every power cycle. When we moved
it, it must have changed it from the order
  
  16527   Mon Dec 20 14:10:56 2021 AnchalUpdateBHDAll coil drivers ready to be used, modified and testedKoji found some 68nF caps from Downs and
I finished modifying the last remaining coil
driver box and tested it.
  
  16530   Tue Dec 21 16:52:39 2021 AnchalSummaryElectronicsIn-air Sat Amp to Vacuum Flange cables laid for 7 new SOS[Anchal, Yehonathan, Chub]

We today laid down 14 70 ft long
DB25 cables from 1Y1 (6), 1Y0 (8) to ITMY
  
  16533   Wed Dec 22 17:40:22 2021 AnchalSummaryCDSc1su2 model updated with SUS damping blocks for 7 SOSs[Anchal, Koji]

I've updated the c1su2 model
today with model suspension blocks for the
  
ELOG V3.1.3-