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ID Date Author Type Category Subject Text Attachments
  4750   Thu May 19 17:53:03 2011 steveUpdateCDSAA filter box modified at 1X5

    

       
            
 P1070727.JPG 
  4749   Thu May 19 16:46:20 2011 kiwamuUpdateLSCc1lsc model : input channels rearangedAccording to Suresh's LSC rack design I
rearranged the input channels of the c1lsc
model such that the analog signals and the
 c1lsc.png 
  4748   Thu May 19 12:09:41 2011 josephbUpdateCDSAA filter box pulled from 1X5, optic suspensions currently off[Steve, Joe]
Steve pulled the top AA filter box
from 1X5 which handled some of the suspensions
  
  4747   Thu May 19 03:13:54 2011 kiwamuUpdateElectronicsREFL11 not working
 1305799561ZgerKtrd.gif 
  4746   Thu May 19 00:23:44 2011 ranaUpdateCDSdiagonalization of MC input matrix I've
moved all of my SOS peak fitting stuff into
  
  4745   Thu May 19 00:22:21 2011 ranaUpdateelogRestarted, Italian-style

    
        
  
  4744   Thu May 19 00:15:20 2011 JenneUpdateelogRestarted, Italian-styleAka, from a hotel in Pisa.   
  4743   Wed May 18 22:11:31 2011 ranaConfigurationLSCNew digital lockin added to LSC model/screen   Untitled.png 
  4742   Wed May 18 18:48:46 2011 kiwamuUpdateElectronicsidentification of RFPD interface cables[Haixing / Kiwamu]
 As a part of the Wednesday's
cabling work, we spent some times for identifying
  
  4741   Wed May 18 18:33:46 2011 AidanUpdateelogrestarted elog with script    
  4740   Wed May 18 17:06:39 2011 SureshUpdateRF SystemDC power supplies for the RF generation box in place 
I have checked the voltages on the
connector.  They are okay and I have
  
  4739   Wed May 18 16:52:23 2011 SureshUpdateRF SystemCables for AS11 PD are in place[Larisa, Suresh]
All the cables needed for the AS11
PD are in place... the heliax cable runs
 1Y2_Rack_Layout_short-term.png 
  4738   Wed May 18 15:54:50 2011 KojiUpdateRF SystemDC power supplies for the RF generation box in place[Koji, Steve]
DC power supplies for the RF generation
box are now in place. They are the top two
  
  4737   Wed May 18 07:18:15 2011 SureshUpdateRF SystemPOY55_Demod board Hardware change completedThe ~350 Hz noted in the elog below was
traced to an RF modulation of the 11 MHz
sideband.  This modulation was set up
  
  4736   Wed May 18 07:13:00 2011 SureshUpdateRF SystemDemod board measurementsI measured the amplitude and phase imbalances
of the demod boards which have been modified. 
This is just a basic health check. 
 Demod_Board_measurements.pngDemod_Board_measurements.png 
  4735   Tue May 17 22:50:00 2011 JamieConfigurationLSCNew digital lockin added to LSC model/screenI added a lockin to the LSC model, and
added it's corresponding control to the LSC
screen.  Here's is what I added to the
 lsc-mdl-lockin.pnglsc-screen-lockin.pnglsc-lockin-screen.png 
  4734   Tue May 17 19:38:32 2011 kiwamuUpdateSUSwrong connection on 1X5Today Steve was working around the 1X5
rack to strain relief the cable jungles and
the
 wrong.pngcorrect.png 
  4733   Tue May 17 18:09:13 2011 Jamie, KiwamuConfigurationCDSc1sus and c1auxey crashed, rebootedc1sus and
c1auxey crashed, required hard reboot
  
  4732   Tue May 17 17:01:22 2011 jamieConfigurationCDSUpdate LSC channels from _DAQ to _DQAs of RCG version 2.1, recorded channels
use the suffix "_DQ", instead of
"_DAQ".  I just rebuilt and
  
  4731   Tue May 17 16:53:22 2011 kiwamuUpdateSUSoplev sign was wrong on ETMYLast
night I found that the sign of the oplev
control of PITCH on ETMY was wrong.
  
  4730   Tue May 17 11:45:20 2011 JamieConfigurationCDSpurged non-c1 site files from rtcds checkout of cds_user_appsI purged all of the working copy checkouts
of site files for all sites that are not
c1 from the rtcds cds_user_apps working directory
  
  4729   Tue May 17 01:05:56 2011 kiwamuUpdateLSCAsymmetry measurement prep : recentering worksI
re-centered beams on several PDs and a camera
including :
  
  4728   Mon May 16 17:11:28 2011 steveUpdateElectronicsstrain relieved 1X11X1 is strain relieved in the back. I will
use similar approach on the rest of the racks
.
 P1070724.JPG 
  4727   Mon May 16 15:46:05 2011 KojiUpdateGeneraloptical layout viewable on the online version of autocadI have made my own AutoCAD WS account and
put the latest 40m layout.
AutoCAD WS is a free cloud service
  
  4726   Mon May 16 11:47:59 2011 kiwamuUpdateASSc1ass update part IIThe medm screen for c1ass started being
modified to be more user-friendly.
The modification is still 
 c1ass.png 
  4725   Mon May 16 11:14:36 2011 ranaUpdateIOOwiring diagram for IP-POSJust FYI, the 3113 is a 12-bit ADC, so
we won't get very good resolution out of
these. We should get one of those purple
  
  4724   Mon May 16 10:05:02 2011 kiwamuUpdatePhotosRe:ETMY optical benchYou are right. We should change or rotate
the mirror mount.  
Actually when Suresh and I were putting
  
  4723   Sun May 15 21:27:51 2011 JenneUpdatePhotosETMY optical benchI didn't notice it the other day when I
was working on putting in the trans QPD,
but do we need to 
  
  4722   Sun May 15 19:55:15 2011 kiwamuUpdatePhotosETMY optical benchJust for a record. This is the latest picture
of the ETMY optical bench.
I will upload this picture on the
 ETMY_ss.jpg 
  4721   Sun May 15 19:10:12 2011 kiwamuUpdateLSCCalibration of actuators : BS, ITMX and ITMYThe AC
response of the actuators on BS, ITMX and
 oltf.pngcalib_actuators.png 
  4720   Sun May 15 14:01:56 2011 kiwamuUpdateIOOwiring diagram for IP-POSHere is a wiring diagram which shows how
IP-POS (new official name is IB_POS)
is connected.
 ip_pos.png 
  4719   Sun May 15 12:42:29 2011 kiwamuUpdateSUSf2p ratio adjutment done for all the suspensionsThe f2p adjustment
for all the suspensions are done
 f2p_summary.pdf 
  4718   Sun May 15 03:58:19 2011 ranaUpdateCDSdiagonalization of MC input matrixThere has been some input matrix diagonalization
in the past by
Yuta and Kiwamu, but I find the automation
 mc1.png 
  4717   Sat May 14 14:50:21 2011 KojiUpdateLSC1Y2 5V Blown Fuse found -> FixedIncidentally,
a blown fuse on 5V line at 1Y2 rack was found
during the intallation of Sorensens.
 1Y2_5V_Fuse.JPG 
  4716   Sat May 14 14:12:16 2011 KojiUpdateRF SystemDC power supply on RF distribution box has been replaced.Key
points of the power supply installation


    We
 sorensen.png 
  4715   Fri May 13 23:04:58 2011 SureshUpdateRF SystemDC power supply on RF distribution box has been replaced.[Steve, Koji, Suresh]
   We shifted two Sorensen
power supplies from the Auxiliary rack next
 P5130120.JPG 
  4714   Fri May 13 22:45:37 2011 SureshUpdateRF SystemThe full set of 8 Demod boards is ready for testingWe have Completed the hardware changes
to the full set of 8 demod boards. 
The last one completed today is AS11. 
  
  4713   Fri May 13 17:20:48 2011 Leo SingerConfigurationSUSTuned bounce and roll mode of ETMY suspensionI tuned the bounce and roll mode bandstops
for ETMY, although it was difficult for me
to tell if there was improvement with the
  
  4712   Fri May 13 14:54:20 2011 Leo SingerUpdateComputersDiaggui fixed on pianosaI fixed diaggui on pianosa.  Previously,
it was not able to start because it depended
on libreadline5, whereas Ubuntu distributed
  
  4711   Fri May 13 01:51:56 2011 SureshUpdateRF SystemRF Status updateI have posted the attached RF status update
and 1Y2 rack layout to the svn.
 1Y2_Rack_Layout.pdfRF_Work_Status.pdf 
  4710   Fri May 13 01:42:35 2011 kiwamuUpdateLSCready for Schnupp asymmetry measurement[Valera / Kiwamu]
 We are able to lock each arm
  
  4709   Fri May 13 00:39:53 2011 valeraUpdateASSc1ass updateHere the status of the dither alignment
or c1ass:
- Both pitch and yaw centering on
 c1assqpds.jpg 
  4708   Thu May 12 23:50:10 2011 SureshUpdateRF SystemPOY55_Demod board Hardware change completedThe Demod board with S. No. 022 (being
used earlier as REFL11) has been modified. 
It now has SCLF-65 as its input LP filter
  
  4707   Thu May 12 23:41:47 2011 ranaUpdateCDSMEDM Snapshots not workingLooks like 2 different MEDM Snapshot
functiions (at least) are broken.
The regular update of the screens
  
  4706   Thu May 12 23:12:40 2011 kiwamuUpdateCDSc1lsc crashedThis
is my third time to crash a real-time machine.
This time I crashed c1lsc.
  
  4705   Thu May 12 22:54:20 2011 ranaUpdateDAQInput Beam Naming change (no more IP) We decided to rename the Input Beam
channels (while keeping temporary backwards
compatible aliases) as:
  
  4704   Thu May 12 18:21:19 2011 kiwamuUpdateIOOwelcome back IP_POSIP_POS
is back.  
  
  4703   Thu May 12 16:50:22 2011 SureshUpdateRF Systeminstallation of RF splitters in Demod boardsWe have no plan to change the AS11 PD.
 I was referring to the AS11 Demod board
which currently has the "Demodulator
  
  4702   Thu May 12 10:27:02 2011 ranaUpdateRF Systeminstallation of RF splitters in Demod boards

    

       
            
  
  4701   Thu May 12 09:00:23 2011 steveUpdateGeneraloptical table covers must be usedI found ITMX-ISCT and BS-ISCT ( IFO sensing-control
table)  not covered this morning. Please
do not leave tables open.
  
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