 Tue Jul 23 13:50:43 2019, Yusuke, Patricia, Problem Fixed, , Reboot Flywheel PLC,
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Regarding the problem on the Flywheel PLC (see here), we entered UC1 under the supervision of Daniel
M. and Koji (11:16 local time).
First we checked the LEDs of the black Ethernet cable. LINK in green was constantly ON and ACT in orange was blinking. |
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Tue Feb 26 20:47:15 2019, Drive Team- Ino&Thierry, Telescope Operations, General, Polaris point for mirrors aligment,
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Pointing to polaris ==>
Azimuth = 0.808
Elevation = 59.941 + 1 degree (correction) |
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Wed Feb 27 20:33:17 2019, Drive Team- Ino&Thierry, Telescope Operations, General, Polaris point for mirrors aligment,
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| Same operations as yesterday ==> pointing to Polaris with the same coordinates |
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Thu Feb 28 20:01:44 2019, Drive Team- Ino&Thierry, Telescope Operations, General, Polaris point for mirrors aligment,
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| Same operations as yesterday ==> Polaris position |
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Fri Jul 5 23:23:57 2019, Dirk, Moritz, Telescope Operations, General, Park-in report,
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On park-in command, telescope went to the right position 95/-1, but did not recognise that it was there.
Pushed Park-In again
Acknowledged one error
Then everything fine.
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Sat Jul 6 23:17:54 2019, Moritz, Dirk, Telescope Operations, , Park-in problems,
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When parking in the telescope, accidently hit "Shutdown" button instead of "Parkin" in Drive Semi-epert GUI. Nothing seem to happen
for minutes despite telling command in progress "Shutdown"
Texted Drive experts, they told to just hit again the correct "Parkin" button. |
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Tue Jul 9 00:46:52 2019, Mitsunari, Yukiho, Noah, Moritz, Telescope Operations, Issues, Park-in problems,
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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 errors both in the Drive
cointainer and the GUI. We texted the experts. After 15 minutes, we pressed again "ParkIn" (without having touched the fuse). After nothing happend
in the GUI, we called the experts. They authorized us to switch back the fuse. After that, still heavy intervention by the experts was needed, who finally |
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Thu Jun 27 12:19:02 2019, Ino, Problem Fixed, General, PLC Status,
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During this weeks we solve this problems:
_ Park In: Sometimes the final locking position was too limit and the "In Position" sensor was lost during the locking witch put the
sytems in bad state vs safety constaint (we can't unlock if the sensor In Position is not active). So now the final poition is now adjusted dynamically |
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Thu Apr 18 09:10:29 2019, Ino, PLC Software and Configuration, Hardware, Offset of the Zero Azimuth,
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After pointing Polaris yesterday, it seems that the zero position of the telescope was incorrect but It's never had been calibrated (zero was equals
to parking position towards center of tower).
So I shift the zero position of telescope by 0.869°. |
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Mon Apr 1 07:43:23 2019, Drive Team- Ino&Thierry&Armand, Problem Fixed, Hardware, LST Parking control,
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On Wenesday morning (27/03/19) :
With Holger and Robert (MPI) , many telescope "park in/park out" operations have been
performed in order to refine the positionning in the acces tower and at the elevation locking bolt
Holger and Robert applied many mechanical modifications on the acces tower to make the telescope park operations very smooth |
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Tue Jan 22 09:37:03 2019, Ino Monteiro, PLC Software and Configuration, Software, Installation new PLC version,
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| Installation of the new PLC code and re-initilalisation of the system. |
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Fri Jan 18 10:14:51 2019, Thierry Le Flour, Software Installation, General, Initlisation of the DRIVE logbook,
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| Here is the first entry in the DRIVE ELOG logbook |
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Tue Mar 5 14:42:22 2019, Drive Team- Ino&Thierry, Telescope Operations, General, High speed drive tests,
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. Fisrt day of the high speed drive tests with IFAE team.
Tests for tuning and generating motor plots at 10% (0.0234 Rad/s) of the maximal speed (GRB alert speed)
Tuning of the
emergency stop from 0.05 Rad/s2 up to 0.2 Rad/s2
6 movements at 25% speed. (from -90 to 270)
repositionnning to -90 at 40%
movements |
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Fri Mar 8 09:20:29 2019, Drive Team- Ino&Thierry&Armand, Telescope Operations, General, High speed drive tests,
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On Thrusday :
new movements at 45% from -90 to 270 have been done.
No possible movement at 60% because the FW and UPS
issues are not solved yet
Ino will back on site when HITACHI team will be on site for FW maintenance
Tests at 60% will
be done to validate (or not) the correction applied by Hitachi team.
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Thu Mar 28 10:34:41 2019, Drive Team- Ino&Thierry&Armand + Juli (IFAE), Telescope Operations, , High speed drive tests,
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new session of high speed drive tests after issues with Power Supply.
Tests of emergency stop (with a speed at 25% and 43 % GRB speed) with a modification of the jerk value from 0.08 to 0.2 ==> OK
Tests
of azimuth movements : (-90 to 270 degres)
at 60% of GRB speed. ==> Ok for 6 movements
at 80% of GRB speed
Ok |
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Sat Jan 26 09:49:34 2019, Drive Team, Telescope Operations, General, Goto Position tests,
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Many differents succesfull "goto position" operations ... MOS configuration file (XML) modified to aplly to correct Azimth and Elevation
ranges for secure movement
GotoPosition azimuth range : [-126..354]
GotoPosition elevation range : [0..75]
FastGotoPosition azimuth range |
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Sat Jul 27 11:11:08 2019, Yusuke, Satoshi, Tomo, Yoshiki, Other, , GUI stacked due to a wrong shutdown procedure,
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Drive GUI stacked due to a wrong shutdown procedure (Jul. 27th 01-02UTC). This was simply a human error.
First, we pushed ParkIn button as usual in the end of the night. We confirmed the telescope was in Locking Position in GUI, but most probably overlooked |
Mon Jul 22 23:07:20 2019, Yusuke, Daniel K., Mitsunari, Satoshi, Tomo, Juan Abel, Yoshiki, Telescope Operations, , Flywheel PLC down, 
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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"
The Drive, FSM and Command Statuses were "Parked", "in parking Area" and "No command in progress," respectively.
We closed&reopend the GUI and "Park Out" three times, but everytime got the same error. |
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Wed Jul 3 21:02:09 2019, Dirk, Taka, Mitsunari, Yukiho, Noah, Telescope Operations, Issues, Feedback from shiftcrew,
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(For Thierry with love <3 :-)
The semi-expert drive control panel uses various terms for the zenith angle: "Altitude (zenith angle)", "Elevation", "Angle".
"Zenith Angle". |
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Mon Jan 28 15:27:35 2019, Drive Team, Telescope Operations, Software, Error Tests ,
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Debugging of the "Parkout" sequence with errors ==>
MOS received the error and set the FSM in error state
User from
semi-expert GUI should acknowledge the error ==> MOS FSM acknowledge methosd is call (just authorized from the error state) to acknowledge the error
to the PLC.
PLC set up all the needed variables to inform the MOS and GUI of the result of the acknowlegment
Today, |
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