Agenda/Minutes of the VIS Meeting on 2016/11/11

2016/11/11 13:30 -

Participants: Shoda, Kasuya, Akutsu, Mark, Hirata, Okutomi, Aso, Fujii, Sato, Ishizaki, Tanaka, Ohishi

Progress report

Schedule Chart (PDF,MPP) To Be Updated

Type-A (Takahashi)

• Minutes of Type-A Meeting

• Installation: Asking a company the cost and schedule for transportation of Type-A items from the center area to the 2F of Y-end.
• Pre-isolator: Assembly work will be concentrated to the next week. The PI for SRs will be transported on 21st from Akeno. 5 ACCs were measured at the site.
• EQ stop, release sensor, dummy payload: Production is on going.
• BF damper: Open bidding was on 9th. A production company was decided.
• Maraging wire: Asking the company a quotation. The company is checking procurement of the material.

Type B (Mark)

• Type B Past Week Summary
  • Mark and Hirata-san at Mitaka
    • Gathered parts for cable making.
  • Mark and Hirata-san at Kamioka:
    • Replaced the floor panels that had been taken from the PR2 area (filling in the hole in the floor) and found/installed two new panels to act as bridges near the BS assembly frame.
    • Installed two more LPCDs and the stepper motor driver in the PR2 rack.
    • Ran cables from the rack to the second and third sat amps (for the IRM OSEMs).
    • Added a second DIO card in the rack and connected it to the BIO inputs and outputs of the new LPCDs.
    • Started making extension cables for RM-H2 and -H3 OSEMs but gave up due to complicated grounding arrangement.
    • Washed four 40-cm D-Sub-9 ribbon cables to use as temporary extensions (maybe also for H1/H4).
    • Added extension to the IM pico cable for the BF yaw pico.
    • Made LVDT adapter cable.
  • Mark worked on schedule.

Type-Bp (Shoda)

• Please put a report here

IMMT (Ohishi)

• Put a report here

Watchdog system (Tanaka)

• Schematic and PCB designJGW-E1605760-v2(PDF)

• Wearing a terminating resistor(for OSEM sensor deferential out) on both sides.
  • And the value of terminating resistor is changed from 3k to 30k.

• Design and preparation(investigation of procurement) for production.JGW-E1605791-v4(PDF)

Safety

• Any issue ?
• Foreseen risks

Discussion

• JPS/ASJ meetings
• PR3 accident

Site work plan for the next week

• Mon:
• Tue:
• Wed:
• Thu:
• Fri:

Travel Plans

• Travel (Week of 11/14):
  • Takahashi:
  • Shoda:
  • Mark:
  • Fabian:
  • Okutomi:
  • Fujii:
  • Ishizaki:
  • Hirata:
  • Sato:
  • Enzo:
  • Ohishi:
• Travel (Week of 11/21):
  • Takahashi: 21 Akeno
  • Shoda:
  • Mark:
  • Fabian:
  • Okutomi:
  • Fujii:
  • Ishizaki:
  • Hirata:
  • Sato:
  • Enzo:
  • Ohishi:

Next meeting

On 2016/11/18(Fri) in Mitaka

VIS F2F: Nov. 18, Dec. 2