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As you all know, we have had trouble starting a measurement with a DGS error [[http://klog.icrr.u-tokyo.ac.jp/osl/?r=15567|klog#15567]]. In order to eliminate this confusion during the work, I make the following rules; * First, make sure that the VIS_OVERVIEW screen shows '''all green before you start working'''. * And after working, be sure to '''make everything green''' before finish your work. This is a kindness for the next operator. * The SDF will probably turn red as you work. This means that SDF has detected channel differences during your work. If you accept these differences, please '''take a screenshot and post it in klog''' (e.g. [[http://klog.icrr.u-tokyo.ac.jp/osl/?r=15553|klog#15553]]), but you don't have to post it to revert. That's all. |
Agenda/Minutes on 2020/12/4
CRY+VIS Interface Meeting
13:30-
Participants:
- Schedule: Upgrade work in IXV (2/22-3/10) will be swapped with the work in EXV (1/4-1/22). The connection of ITMX is available on 1/12.
- Jig for the FC painting.
Acceptance check items (Inspection document).
PF actuator: Measurement of coefficients --> calculation of the noise (by the end of Jan.).
VIS Meeting
14:00-
Participants:
Progress report
General
[Miyo] As you all know, we have had trouble starting a measurement with a DGS error klog#15567. In order to eliminate this confusion during the work, I make the following rules;
First, make sure that the VIS_OVERVIEW screen shows all green before you start working.
And after working, be sure to make everything green before finish your work. This is a kindness for the next operator.
The SDF will probably turn red as you work. This means that SDF has detected channel differences during your work. If you accept these differences, please take a screenshot and post it in klog (e.g. klog#15553), but you don't have to post it to revert.
That's all.
Type-A
Type-B
Type-Bp
Type-C
- Set up the old OSTM suspension in the OMC both.
[Miyo] We (mainly Ikeda-san) made Type-C guardian. Now we can use ALIGN state. In this state, we only engage the APTICALIGN with ramp time not engage the OpLev DC control according to Nakano-san's advices. klog#15578
Controls
[Miyo]
Electronics
- Tested the modified LVDT card. This modification (#14 pin grounded) will be applied to 16 cards.
Towards O4
- Type-B remedy work is on going.
- Type-A team will start modification of ACCs.
- Schedule.
Upgrade work in IXV (2/22-3/10) will be swapped with the work in EXV (1/4-1/22). (Chart)
- Procedure documents.
- Criteria in the acceptance test.
Safety
Discussion
- Mechanical resonances of SRM.
Travel Plans
The week from 12/7
- Takahashi: 12/7-11
- Hirata: 12/7-11
- Yano: 12/7-11
The week from 12/14
- Takahashi: 12/14-18
- Hirata: 12/14-18
- Yano: 12/14-18
(F2F Meeting in 12/17-18)
Next meeting
- On 2020/12/11(Fri)