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ID Date Authorup Type Category Subject Text Attachments
  16606   Thu Jan 20 17:21:21 2022 TegaUpdateSUSTemporary watchdogTemp software watchdog now operational
for LO1 and the remaining optics!

Koji helped me understand how to
  
  16611   Fri Jan 21 12:46:31 2022 TegaUpdateCDSSUS screen debuggingAll done (almost)! I still have not sorted
the issue of pitch and yaw gains growing
together when modified using ramping time.
 Custom_ADC_DAC_monitors.png 
  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 
  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 
  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 
  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 
  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)
  
  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 
  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
  
  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 
  16704   Sun Mar 6 18:14:45 2022 TegaUpdateVACOngoing work to get the FRG gauges readouts to EPICs channelsFollowing repeated failure to establish
communication between c1vac and the XGS600
controller via Perle IOLAN serial device
 iolan_xgs_comm_investigation.pdf 
  16706   Mon Mar 7 13:53:40 2022 TegaUpdateVACOngoing work to get the FRG gauges readouts to EPICs channelsSo it appears that my deduction from
the pictures of needing a cable swap was
correct, however, it turns out that the installed
 iolan_xgs_comm_live.pdf 
  16713   Tue Mar 8 12:08:47 2022 TegaUpdateVACOngoing work to get the FRG gauges readouts to EPICs channelsOMG, it worked! It was indeed a calibration
issue and all I had to do was press the "OK"
button after selecting the "CAL"
 XGS600_calibration.pdf 
  16747   Tue Mar 29 15:07:11 2022 TegaSummaryVACOpening of MC and ETM chambers[Anchal, Chub, Ian, Paco, Tega]

Today, we opened the MC chamber,
ETMX chamber and ETMY chamber.
  
  16751   Fri Apr 1 14:26:50 2022 TegaUpdateOptical LeversSimplified sketch on MC tableHere is an early sketch
of the MC table. 

 
 MC_Table.drawio.pdf 
  16755   Mon Apr 4 15:49:06 2022 TegaUpdateOptical LeversSimplified sketch on BS tableI have updated the BS table using feedback
from Koji and Paco and the attached
pdf document is the latest iteration.
 BS_Table.drawio.pdf 
  16773   Wed Apr 13 12:50:07 2022 TegaUpdateVACNew Pressure Gauge Install/Pump Spool Vent[Jordan, JC, Tega]

We have installed all the FRGs
and updated the VAC medm screens to display
 VAC_FRG_UPGRADE.png 
  16796   Thu Apr 21 16:36:56 2022 TegaUpdateVACcleanup work for vacuum git repogit repo - https://git.ligo.org/40m/vac

Finally incorporated the FRGs into
the main modbusIOC service and everything
  
  16800   Thu Apr 21 18:42:47 2022 TegaUpdateBHDPart V of BHR upgrade - Align LO and AS beams to BHD BS[Tega, Yuta, Paco]

We tried aligning the LO and AS
beams on to the BHD beamsplitter. During
  
  16803   Fri Apr 22 12:03:09 2022 TegaUpdateBHDAS1 UR OSEM problem localized in the chamber[JC, Tega, Ian, Paco]

We found that the UR cable was
clamped to the table by one of the ITMY OPLEV
  
  16830   Wed May 4 15:08:59 2022 TegaUpdateBHDXARM alignment to get flashing[Yuta, Tega]

We aligned the BS, ITMY, and ETMY
PIT and YAW to get the flashing on X-arm
 IFO_XY_ARMS_Flashing.png 
  16831   Wed May 4 18:52:43 2022 TegaUpdateBHDPOP beam too high at POP SM4 on the ITMX chamber[Yuta, Tega]

We needed to sort out the POXDC
signal so we could work on X-arm alignment.
 snnp_pr2_pr3_itmy_aligment.png 
  16833   Thu May 5 17:05:31 2022 TegaUpdateBHDIMC & X/Y-arm alignment[Yuta, Tega]

In order to setup POP camera and
RFPD on the ITMX table, we decided to first
 IFO_aligment_Y_locking_on.png 
  16838   Mon May 9 18:49:05 2022 TegaUpdateBHDRelocate green TRX and TRY PDs/cams/optics from PSL table to BS table[Paco, Tega]

Started work on the relocating
the green transmission optics, cameras and
 IMG_20220509_184439943.jpgIMG_20220509_184154722.jpg 
  16843   Tue May 10 16:31:14 2022 TegaUpdateBHDITMX optlev return beam steered to QPDFollowed the steps below to complete the
ITMX optlev installation. The ITMX optlev
return beam now reaches its QPD without being
  
  16848   Thu May 12 19:55:01 2022 TegaUpdateBHDAS path alignment[Yuta, Tega]

We finally managed to steer the
AS beam from ITMY chamber, through BS and
 AS.JPGOMCchamber.JPG 
  16867   Fri May 20 12:42:23 2022 TegaUpdateVACDoor installation on the end stations[JC, Tega, Chub]

Today we installed the 200 lbs
doors on the end station chambers.
  
  16870   Tue May 24 10:37:09 2022 TegaUpdateVACadded FRG channels to slow channel ini file[Vacuum gauge sensors]

Paco informed me that the FRG sensor
EPICS channels are not available on dataviewer,
  
  16973   Wed Jul 6 15:28:18 2022 TegaUpdateSUSOutput matrix diagonalisation : F2P coil balancinggit repo : https://git.ligo.org/40m/scripts/-/tree/main/SUS/OutMatCalc

local dir: 
  
  16976   Wed Jul 6 22:40:03 2022 TegaSummaryCDSUse osem variance to turn off SUS damping instead of coil outputsI updated the database
files for the 7 BHD optics to separate
the OSEM variance trigger and the LATCH_OFF
  
  16979   Thu Jul 7 21:25:48 2022 TegaSummaryCDSUse osem variance to turn off SUS damping instead of coil outputs[Anchal, Tega]

Implemented
ramp down of coil bias voltage when
  
  16986   Mon Jul 11 17:25:43 2022 TegaUpdateVACfixed obsolete reference bug in serial_XGS600 serviceKoji noticed that the FRG sensors were
not updating due to reference to an
obsolete modbusIOC_XGS service, which was
  
  17025   Thu Jul 21 21:50:47 2022 TegaConfigurationBHDc1sus2 IPC updateIPC
issue still unresolved.

Updated shared memory tag so that
  
  17026   Fri Jul 22 15:05:26 2022 TegaConfigurationBHDc1sus2 shared memory and ADC fix[Tega, Yuta]

We were able to fix the shared
memory issue by updating the receiver model
 Screenshot_2022-07-22_15-04-33_DCPD.pngScreenshot_2022-07-22_15-12-19_models.pngScreenshot_2022-07-22_15-15-11_ERR.pngScreenshot_2022-07-22_15-32-19_GDS.png 
  17033   Mon Jul 25 17:58:10 2022 TegaConfigurationBHDc1sus2 IPC dolphin issue updateFrom the 40m
wiki, I was able to use the instructions
here
 Screen_Shot_2022-07-25_at_5.43.28_PM.pngScreen_Shot_2022-07-25_at_5.21.10_PM.pngScreen_Shot_2022-07-25_at_5.30.58_PM.pngScreen_Shot_2022-07-25_at_5.35.19_PM.png 
  17034   Mon Jul 25 18:09:41 2022 TegaConfigurationBHDBHD Homodyne Phase control MEDM screen[Paco, Tega, Yuta]

Today, we made a custom MEDM screen
for the BHD Homodyne Phase Control, which
 Screen_Shot_2022-07-25_at_6.12.08_PM.pngScreen_Shot_2022-07-25_at_6.18.09_PM.png 
  17044   Thu Jul 28 16:51:55 2022 TegaUpdateBHDShaking test for LO beam AS beam to BHD DCPDs[Yuta, Tega, Yehonathan]

To investigate the BHD power imbalance
and clipping issues, we did some shaking
 Screenshot_2022-07-28_16-58-34_LOandASShaking.pngScreenshot_2022-07-28_18-08-55_DCPDPOPSuspensionCoherence.png 
  17046   Fri Jul 29 18:24:53 2022 TegaUpdateBHDLO beam power improved by factor of 6 after LO and AS beam alignment[Yuta, Tega]

From our previous work (elog 17044)
 LO_and_oldAS_settings.pngBHD_fringe_settings.pngScreenshot_2022-07-29_19-37-39.pngFromTheLeft-AS-POP-LO.JPG 
  17052   Mon Aug 1 18:42:39 2022 TegaConfigurationBHDc1sus2 IPC dolphin issue update[Yuta, Tega]

We decided to give the dolphin
debugging another go. Firstly, we noticed
 c1sus2_dolphin.pngfb1_dxamin_status.pngdolphin_num_mem_init2.png 
  17054   Tue Aug 2 17:25:18 2022 TegaConfigurationBHDc1sus2 dolphin IPC issue solved[Yuta, Tega, Chris]

We did
 c1lsc_IPC_status.pngFE_lsmod_dependencies_c1sus2_b4_after_iop_unpdate.png 
  17058   Thu Aug 4 19:01:59 2022 TegaUpdateComputersFront-end machine in supermicro boxesKoji and JC looked around the lab today
and found some supermicro boxes which I was
told to look into to see if they have any
 IMG_20220804_184444473.jpgIMG_20220804_191658206.jpgIMG_20220804_185336240.jpgIMG_20220804_185023002.jpg 
  17066   Mon Aug 8 17:16:51 2022 TegaUpdateComputersFront-end machine setupAdded 3 FE machines - c1ioo, c1lsc, c1sus
-  to the teststand following the instructions
in elog15947.
 IMG_20220808_170349717.jpg 
  17073   Wed Aug 10 20:30:54 2022 TegaSummarySUSCharacterisation of suspension damping[Yuta, Tega]

We diagnosed the suspension damping
of the IMC/BHD/recycling optics by kicking
 12x 
  17074   Wed Aug 10 20:51:14 2022 TegaUpdateComputersCDS upgrade Front-end machine setupHere is a summary of what needs doing following
the chat with Jamie today.

 
 IMG_20220810_171002928.jpgIMG_20220810_171019633.jpg 
  17083   Tue Aug 16 18:22:59 2022 TegaUpdateComputersc1teststand rack mounting for CDS upgrade[Tega, Yuta]

I keep getting confused about the
purpose of the teststand. The view I am adopting
 IMG_20220816_180157132.jpgIMG_20220816_175125874.jpg 
  17086   Wed Aug 17 10:23:05 2022 TegaUpdateGeneralc1vac issues, pressure gauge replacement- Disk full

I updated the configuration file
'/etc/logrotate.d/rsyslog' to set
  
  17098   Mon Aug 22 19:02:15 2022 TegaUpdateComputersc1teststand rack mounting for CDS upgrade II[Tega, JC]

Moved the rack to the location
of the test stand just behind 1X7 and plan
 IMG_20220822_185437763.jpgIMG_20220822_131340214.jpgc1bhd.jpegc1lsc.jpeg 
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