Agenda/Minutes of the VIS Meeting on 2020/1/24

2020/1/24 14:00 -

Zoom Meeting

Participants:

VIS Commissioning Task List

Post-O3 task list

Schedule afetr O3

Procurement list in 2019FY

Progress report

Type-A

Past week report

• Payload damping filter modification (by M. Nakano and the Three CRY Musketeers, T. Ushiba, T. Yamada, T. Nishimoto)

  • ETMX: klog#12571, #12603

  • ITMY: klog#12572, #12590, #12599,

  • ITMX: klog#12574

• Coil driver replacement (by T. Yamada, K. Okutomi)
  • The coil driver for ITMY TM actuators has been replaced to the high-power one.
  • Now all the Type-A TM actuators have high power driving.
• GAS control status (by L. Trozzo, T. Yamamoto)

  • ITMX F2 GAS control got saturated due to temperature drift (klog#12611)

  • The limit values for the DAMP and COILOUTF filters have been increased to 30000 counts.
    • Because we don't have to take care of the analog WD tripping in the coil drivers.

Plan for coming weeks

Type B

Past week report

Plan for coming weeks

Type-Bp

Past week report

Plan for coming weeks

OMMT & OSTM

Past week report

• Released the bellows springs in the OSTM suspension.
• Recovered the cable for the OSEM in OMMT1.

Plan for coming weeks

VIS electronics

Past week report

Plan for coming weeks

Other site works

Safety

• Incidents:

Discussion

• Reconsideration on the replacement of PR2 and SR2 after O3 (Revised schedule).

Travel Plans

• Travel (Week of 1/27):
  • Takahashi:
  • Sato:
  • Hirata:
  • Shoda:
  • Fujii:
  • Tanaka:
• Travel (Week of 2/3):
  • Takahashi:
  • Sato:
  • Hirata:
  • Shoda:
  • Fujii:
  • Tanaka:

Next meeting

On 2020/1/31(Fri)