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ID Date Author Type Category Subjectup Text Attachments
  17088   Wed Aug 17 11:10:51 2022 ranaUpdateComputersc1teststand rack mounting for CDS upgradewe want to be able to run SimPlant on the
teststand, test our new controls algorithms,
test watchdogs, and any other software upgrades.
  
  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 
  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
  
  16271   Fri Aug 6 13:13:28 2021 AnchalUpdateBHDc1teststand subnetwork now accessible remotelyc1teststand subnetwork is now accessible
remotely. To log into this network, one needs
to do following:
  
  16273   Mon Aug 9 10:38:48 2021 AnchalUpdateBHDc1teststand subnetwork now accessible remotelyI had to add following two lines in the
/etc/network/interface file to make the special
ip routes persistent even after reboot:
  
  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
  
  14239   Tue Oct 9 16:05:29 2018 gautamConfigurationASCc1tst deleted, c1asy deployed.Setting up c1asy:


Backed up old c1tst.mdl
as c1tst_old_bak.mdl in /opt/rtcds/userapps/release/cds/c1/models
Copied
 CDSoverview_ASY.png 
  14507   Tue Apr 2 14:53:57 2019 gautamUpdateCDSc1vac added to burtI deleted references to c1vac1 and c1vac2
(which no longer exist) and added c1vac to
the autoburt request file list at 
  
  14641   Tue May 28 09:51:33 2019 gautamUpdateVACc1vac hard-rebootedThe vacuum itself was fine - CC1 gauge
reported a pressure of 1.3e-5 torr. Note
to self: the C1:Vac-CC1_HORNET_PRESSURE channel,
 Screen_Shot_2019-05-31_at_12.44.54_PM.png 
  14640   Mon May 27 11:37:13 2019 gautamUpdateVACc1vac is unresponsiveI've been monitoring the status of
the pumpdown remotely with ndscope lookbacks
of C1:Vac-CC1_pressure. Today morning, I
  
  17081   Mon Aug 15 18:06:07 2022 AnchalUpdateGeneralc1vac issues, 1 pressure gauge died[Anchal, Paco, Tega]


Disk full issue:

c1vac
was showing /var disk to be full. We moved
  
  17082   Mon Aug 15 20:09:18 2022 KojiUpdateGeneralc1vac issues, 1 pressure gauge died- Disk Full: Just use the usual /etc/logrotate
thing

- Vacuum gauge
  
  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
  
  14279   Tue Nov 6 23:19:06 2018 gautamUpdateVACc1vac1 FAIL lights on (briefly)Jon and I stuck a extender card into the
eurocrate at 1X8 earlier today (~5pm PT),
to see if the box was getting +24V DC from
 Screenshot_from_2018-11-06_23-18-23.pngScreenshot_from_2018-11-06_23-19-26.png 
  14281   Wed Nov 7 08:32:32 2018 SteveUpdateVACc1vac1 FAIL lights on (briefly)...checkedThe vacuum and MC are OK




 Vac_MC_OK.png 
  14207   Fri Sep 21 16:51:43 2018 gautamUpdateVACc1vac1 is unresponsiveSteve pointed out that some of the vacuum
MEDM screen fields were reporting "NO
COMM". Koji confirmed that this is a
  
  14215   Mon Sep 24 15:06:10 2018 gautamUpdateVACc1vac1 reboot + TP1 controller replacement[steve, gautam]

Following the procedure in this
 beforeReboot.pngafterReboot.pngCC1.png 
  14278   Tue Nov 6 19:41:46 2018 JonOmnistructure c1vac1/2 replacementThis afternoon I started setting up the
Supermicro 5017A-EP that will replace c1vac1/2.
Following Johannes's procedure in 
  
  1505   Mon Apr 20 23:27:59 2009 ranaSummaryVACc1vac2 rebooted: non-functional for several monthsWe found several problems with the framebuilder
tonight. The first symptom was that it was
totally out of
  
  5989   Wed Nov 23 16:48:39 2011 SureshUpdateGeneralcable cleanup[Koji Suresh]
As part of the general lab clean
up we removed many unused BNC cables (long
  
  875   Mon Aug 25 10:23:53 2008 steveHowToGeneralcable killerRack 1Y7 double violation:

BNC cables left to be jammed by door
 cablkill.pngcablkll2.png 
  7873   Thu Jan 3 19:19:59 2013 ranaHowToElectronicscable racksToday I found 3 power cables in the
orange Pomona cable tray, put in
so that the cables were 
  
  4390   Wed Mar 9 16:07:42 2011 kiwamuUpdateVIDEOcable session[Koji, Steve, Suresh, Kiwamu]
The following video cables have been
newly laid down :
  
  11659   Fri Oct 2 15:11:08 2015 SteveUpdatePEMcable squashedCable numbered #53 from Accelerometer 4
to 1X7 / DAQ input c26 was squased while
removing network card from Sun Fire x4600
  
  7807   Tue Dec 11 08:53:52 2012 SteveHowToPEMcables needs careHow NOT
to:
The
 IMG_1839.JPG 
  7809   Tue Dec 11 10:09:04 2012 AyakaHowToPEMcables needs care

    

       
            
  
  3996   Tue Nov 30 12:33:27 2010 kiwamuSummaryIOOcabling of in-vac PZT mirrors     
  10066   Wed Jun 18 22:34:44 2014 ericqUpdateIOOcaget frusrtation

    

       
            
  
  10077   Thu Jun 19 22:04:23 2014 ericqUpdateComputer Scripts / Programscaget/caput now return in reasonable timeI think I've fixed the caget/caput issue.
Rana's observation that pinging the IP directly
was faster than pinging the hostname set
  
  6931   Fri Jul 6 14:10:31 2012 yutaSummaryLSCcalculation of FPMI using ALSFrom calculation, phase fluctuation of
reflected beam from length stabilized arm
is not disturbing MI lock.
  
  4402   Thu Mar 10 17:03:48 2011 Larisa ThorneConfigurationElectronicscalculations for passive low pass filter on X arm[Kiwamu, Larisa] 
 
We want to increase gain in the lower
  
  17160   Tue Sep 27 10:50:11 2022 PacoUpdateBHDcalibrated LO phase noiseLocked LO phase to ITMX single bounce beam
at the AS port, using the DCPD (A-B) error
point and actuating on LO1 POS. For this
 lo_phase_asd.pdf 
  17161   Wed Sep 28 16:37:26 2022 PacoUpdateBHDcalibrated LO phase noise; update[yuta, paco]

Update; the high frequency ( >
100 Hz) drop is of course not real and comes
 lo_phase_asd.pdf 
  17163   Wed Sep 28 21:54:08 2022 PacoUpdateBHDcalibrated LO phase noise; updateRepeated the LO phase noise measurement,
this time with the LO - ITMY single
bounce, and a couple of fixes Koji
 dcpd_phase_asd.pdflo_phase_asd.pdf 
  8248   Thu Mar 7 01:43:35 2013 yutaUpdateLSCcalibrated MI differential length spectraFree swing MI differential length is 86 nm
RMS and residual length when locked
 LSCMICHOLTF_MI.pngMImotion.png 
  6841   Wed Jun 20 18:43:57 2012 yutaUpdateLSCcalibrated POX error signal[Jenne, Yuta]

We did the same calibration for POX.
 LSCxarmTF_usingITMX.pngLSCxarm_HAover1plusG.pngPOXerrorcalibration.png 
  6834   Tue Jun 19 23:36:19 2012 yutaUpdateLSCcalibrated POY error signal[Jenne, Yuta]

We calibrated POY error signal(C1:LSC-POY11_I_ERR).
 LSCyarmTF_usingITMY.pngLSCyarm_HAover1plusG.pngPOYerrorcalibration.png 
  6835   Wed Jun 20 00:01:04 2012 JenneUpdateLSCcalibrated POY error signal[Yuta, Jenne]
We have measured the out of loop
residual motion of the Yarm while locked
 LSC_POY_11_I_ERR_calib_19June2012.pdfPOY_calib_19June2012_FiltBankSettings.png 
  8256   Fri Mar 8 03:07:19 2013 yutaUpdateLSCcalibrated PRM-ITMY length spectraMeasured free swing PRM-ITMY length was
230
nm RMS.
 LSCPRCLOLTF_PRITMY.pngPRITMYmotion.png 
  9606   Wed Feb 5 20:41:57 2014 DenUpdateLSCcalibrated spetra from OAF testWe did online adaptive filtering test with
IMC and arms 1 year ago (log
7771). In the 40m presentations I can
 oaf_cal.pdf 
  6938   Sun Jul 8 00:27:54 2012 yutaSummaryLockingcalibrating phase tracking mode scan dataFSR
for X/Y arm are 3.97 +/- 0.03 MHz and 3.96
+/- 0.02 MHz respectively. This
  
  6939   Sun Jul 8 00:58:08 2012 KojiSummaryLockingcalibrating phase tracking mode scan data

    

       
            
  
  6815   Wed Jun 13 17:39:13 2012 yutaUpdateGreen Lockingcalibrating the beatbox[Jenne, Yuta]

We put 0 dBm sine wave to the RF input
 ALS-BEATY_COARSE_I_IN1_DQ.pngALS-BEATY_COARSE_Q_IN1_DQ.pngALS-BEATY_FINE_I_IN1_DQ.pngALS-BEATY_FINE_Q_IN1_DQ.png 
  1185   Mon Dec 8 00:10:42 2008 carynSummaryGeneralcalibrating the jenne laserI apologize in advance for the long list of
numbers in the attachment. I can't seem to
make them hide for some reason. 
 IvsDCmax.pngdata.tar.gzjcal_dip_2_norm_log.pngjcal_flat_3_norm_log.png 
  1189   Tue Dec 9 10:48:17 2008 CarynSummaryGeneralcalibrating the jenne laser: impedance mismatch?
We sent RFout of network analyzer to a splitter,
with one side going back to the network analyzer
 reflection.png 
  8255   Fri Mar 8 02:17:04 2013 yutaUpdateLSCcalibration of PRM actuator[Manasa, Yuta]

We measured AC response of PRM actuator
 calibREFL55Q.pngactcalibPRM.pngOLTF_PRCL.png 
  5637   Sat Oct 8 00:44:42 2011 kiwamuUpdateLSCcalibration of SRM actuatorThe AC response
of the SRM actuator has been calibrated.
 actuators.png 
  7738   Wed Nov 21 21:06:13 2012 AyakaUpdateLSCcalibration of armsMotivation
In order to estimate whether we can
see acoustic coupling in arms or not, we
 7x 
  7739   Sat Nov 24 13:58:07 2012 ranaUpdateLSCcalibration of armsFor the loop diagnosis, its best
to use the method of "IN1/IN2",
rather than manipulate the close loop gain.
  
  7743   Mon Nov 26 10:42:06 2012 AyakaUpdateLSCcalibration of armsI uploaded a zip file that contains data
files used for the calibration.
OLTF_x/y.txt: the open loop transfer
 armcalib.zip 
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