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  LST1 Drive ELOG, Page 1 of 3  ELOG logo
ID Date Author Type Category Subject Status Text Attachments
  279   Mon Feb 10 14:57:56 2020 Ino + Gael + ThierryOtherHardwareAzimuth Locking System FixedLast week we put in sevice the new ALS
completly modified:

_ Main System with new reducer.
 14x 
  278   Thu Jan 16 22:06:39 2020 tions applied to solve this issue :Martin Will, Thierry Le FlourTelescope OperationsSoftwareSemi-Expert Drive GUI not connecting / MOS server not workingFixedIn the late afternoon shifters noticed
the semi-expert drive GUI was not updating,
several restarts did not help. Checking into
 IMG-20200116-WA0020.jpegIMG-20200116-WA0029.jpeg 
  277   Sat Dec 7 19:16:01 2019 Daniel Mazin, Koji NodaHardwareHardwareALS East: problem and preliminary solution On Dec 6, Dario, Frederic and Yuji showed
to Koji Noda and Daniel Mazin how to operate
the new ALS. The idea was to do an unlock
 6x 
  276   Wed Nov 27 21:27:29 2019 Mathieu David ArmandTelescope Operations CDM & SG images with alternative target     
  275   Tue Nov 26 21:37:03 2019 David Sanchez, Armand Fiasson, Mathieu De BonyTelescope Operations CDM bending model image 26-11-2019 The aim was to observe several stars with
different magnitude and check the sensitivity
of the CDM. We wanted to use a semi-automatic
  
  274   Mon Nov 25 22:53:22 2019 Mathieu David ArmandTelescope Operations CDM images 19/11/25 Mg=1.25

DenebDark 60x1s
RA-2

TestTracking 60x1s Displacement
from Deneb RA-2

Deneb 60x1s

DenebLed
  
  273   Sun Nov 24 19:33:56 2019 Mathieu David ArmandTelescope OperationsGeneralCDM images for bending model - CDM images at park out position.
Exposure 100ms.
OARL on.
  
  272   Thu Sep 19 19:10:39 2019 Martin, Ino, Thierry, Quentin, ThomasTracking Debugging Star images with various Az and Zd offsets We tracked stars at various zenith angles
and changed the Az and Zd offsets, taking
images with the PSF camera for each position.
  
  271   Mon Sep 16 08:59:41 2019 Drive Team- Ino&Thierry + Ievgen + Vitalii + Jean-LucPLC + Control Software debugging Test TCU<->Drive Thierry&Ino on site

Ievgen, Vitalli and Jean-Luc remotely.

TCU tests to perform the parkin-in
  
  270   Thu Sep 12 16:41:53 2019 Drive Team- Ino&ThierryPLC + Control Software debugging   Tuesday September 110th :


Tests park-in and park-out
to manage the different type of failures 
Tests
  
  269   Sat Jul 27 11:11:08 2019 Yusuke, Satoshi, Tomo, YoshikiOther GUI stacked due to a wrong shutdown procedure Drive GUI stacked due to a wrong shutdown
procedure (Jul. 27th 01-02UTC). This was
simply a human error.
  
  268   Tue Jul 23 13:50:43 2019 Yusuke, PatriciaProblem Fixed Reboot Flywheel PLC Regarding the problem on the Flywheel PLC
(see
here), we entered UC1 under the supervision of Daniel
  
  267   Mon Jul 22 23:07:20 2019 Yusuke, Daniel K., Mitsunari, Satoshi, Tomo, Juan Abel, YoshikiTelescope Operations Flywheel PLC down After finishing the normal start-up procedure,
we tried to park out by GUI, but got an error
(22:30 local time): "MSG_WARNINGPark_Out_TimeOut"
 IMG_0165.jpgIMG_0167.jpg 
  266   Fri Jul 19 23:06:13 2019 Mitsunari, Tomohiro, Satoshi, Moritz, YusukeTelescope OperationsIssuesTelescope stuck in strange state/lost control by Semi-Expert GUI Tonight, we tracked Vega to test (a correction
of) the pointing offset of the Drive.

Around 22:30UTC, we tried different
  
  265   Tue Jul 9 00:46:52 2019 Mitsunari, Yukiho, Noah, MoritzTelescope OperationsIssuesPark-in problems At parking in, the telescope got stuck
at 94.254°. We checked in the container
that fuse Q21 went off. We did not see any
  
  264   Sat Jul 6 23:17:54 2019 Moritz, DirkTelescope Operations Park-in problems When parking in the telescope, accidently
hit "Shutdown" button instead of
"Parkin" in Drive Semi-epert GUI.
  
  263   Sat Jul 6 22:47:38 2019 Dirk HoffmannTelescope OperationsGeneralCar flash from road above+ When checking the telescope visually outside,
while it was in the "park-out"
position, a car happened to pass by from
  
  262   Fri Jul 5 23:23:57 2019 Dirk, MoritzTelescope OperationsGeneralPark-in report On park-in command, telescope went to the
right position 95/-1, but did not recognise
that it was there.
  
  261   Fri Jul 5 08:58:42 2019 Dirk HoffmannProblem FixedSoftwareSmall problem with park-in When parking in yesterday, the telescope
drove to the nominal position (approx. 95°
zenith angle and -1° azimuth), but then
  
  260   Wed Jul 3 21:02:09 2019 Dirk, Taka, Mitsunari, Yukiho, NoahTelescope OperationsIssuesFeedback from shiftcrew (For Thierry with love <3 :-)

The semi-expert drive control panel
uses various terms for the zenith angle:
  
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