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ID Date Author Type Category Subject Text Attachments
  4766   Wed May 25 20:12:55 2011 JamieConfigurationLSCNew digital lockin added to LSC model/screen


   
        
            
 lsc-lockin-adl.png 
  4765   Wed May 25 19:19:11 2011 JamieConfigurationCDS!!!CHECK IN YOUR MODELS!!!!!!CHECK
IN MODEL CHANGES!!!
Today
I found three models that were modified,
  
  4764   Wed May 25 19:03:59 2011 JamieConfigurationCDSUpdate rtcds checkout of cds_user_apps with new top-level directory names.The top-level subsystem subdirectories
in the cds_user_apps source repository were
renamed today to be all lower case. 
  
  4763   Mon May 23 18:16:42 2011 KojiConfigurationLSCPOY55 installedThe DC Transimpedance of POP55 was increased
from 50 Ohm to 10010 Ohm. There is the offset
of 46mV. This should be cancelled in the
  
  4762   Mon May 23 18:10:41 2011 kiwamuUpdateLSCf2p filters on PRM : not goodDuring
the DRMI trial I noticed that the f2p filters
on PRM is not quite effective
 f2p_PRM.png 
  4761   Mon May 23 14:28:23 2011 kiwamuConfigurationLSCPOY55 installedLast
Saturday the POY55 RFPD (see
this entry
 POY55.png 
  4760   Mon May 23 12:27:26 2011 kiwamuUpdateLSCDRMI trial : details(PRMI
locking with slightly misaligned SRM)
 First I tried locking PRC and
  
  4759   Mon May 23 00:36:51 2011 kiwamuUpdateLSCDRMI trial : sucessEventually the
D
  
  4758   Sat May 21 17:02:38 2011 KojiUpdateElectronicsAlberto's 11MHz was modified to POP55MHz- Resonant at 55MHz. The transimpedance
is 258Ohm. That is about half of REFL55 (don't
know why).
 POP55_schematic_110520_KA.pdfPOP55_transimpedance.pdf 
  4757   Sat May 21 06:19:46 2011 kiwamuUpdateLSCDRMI trial : no luckI will try with POY55 that Koji prepared
today.
  
  4756   Fri May 20 11:37:44 2011 KojiUpdateElectronicsREFL11 fixed (REFL11 not working)- Found the inductor which shunts the positive
input of MAX4107 was not touching the ground.
 REFL11_transimpedance.pdf 
  4755   Fri May 20 05:41:22 2011 SureshUpdateRF SystemDemod board measurementsThe POP110 board which had the large Amplitude
and Phase unbalances was examined today. 
It turned out that there was some stray solder
  
  4754   Fri May 20 03:29:04 2011 kiwamuUpdateCDSBinary IO box on 1X5 : LEDs off[Steve / Kiwamu]
 When Steve was working on the
strain reliefs on 1X5 he found that 
 DSC_3050_small.jpg 
  4753   Fri May 20 03:01:17 2011 kiwamuUpdateLSClocking status(PRMI locking)
Since REFL11 has gone I tried locking
the PRMI with combination of REFL55 and AS55.
 Screen_shot_2011-05-20_at_2.50.00.png 
  4752   Fri May 20 01:02:50 2011 loose connection hunterUpdateSUSloose connection on ETMY rackThe
UL signal of the shadow sensor on ETMY went
to zero this evening. 
 ETMY_loose.png 
  4751   Thu May 19 19:41:17 2011 SureshUpdateRF SystemDAQ channel Assignments for RF PDs[Kiwamu, Suresh]
In trying to keep the wiring of the
LSC rack as neat as possible, we came up
 1Y2_Rack_Layout.png 
  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 
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