Activities in this week

Friday

• 15864, Friday, takafumi.ushiba, VIS/IX, Comment to Cabling for cryo-payload (Click here to view original report: 15860)

• 15866, Friday, ryutaro.takahashi, VIS/IX, Comment to Cabling for cryo-payload (Click here to view original report: 15860)

Sunday

• 15868, Sunday, kouseki.miyo, VIS/General, Some suspensions are not SAFE.

• 15869, Sunday, fabian.arellano, VIS/PR3, Comment to Gluing the mirror wire. (Click here to view original report: 15844)

• 15871, Sunday, kouseki.miyo, VIS/General, ISOLATED state is available with only LVDTs not blended sensors.

Monday

• 15872, Monday, ryutaro.takahashi, VIS/OMM, Comment to Modification of ACCs (Click here to view original report: 15617)

• 15873, Monday, kouseki.miyo, VIS/General, Comment to Relay Switch of Stepper Motor Driver (Click here to view original report: 15847)

• 15875, Monday, fabian.arellano, VIS/PR3, Comment to Gluing the mirror wire. (Click here to view original report: 15844)

• 15876, Monday, satoru.ikeda, VIS/PR2, Comment to The PR2-SF's stepper motor has stalled. (Click here to view original report: 15857)

• 15877, Monday, satoru.ikeda, VIS/General, Comment to We investigated the network connection. (Click here to view original report: 15737)

• 15878, Monday, takafumi.ushiba, CRY/Cryo-payload EX, EX payload upgrade

Tuesday

• 15880, Tuesday, satoru.ikeda, VIS/PR2, Comment to The PR2-SF's stepper motor has stalled. (Click here to view original report: 15857)

• 15881, Tuesday, takaaki.yokozawa, PEM/Center, IXC

• 15882, Tuesday, satoru.ikeda, VIS/PR2, Comment to The PR2-SF's stepper motor has stalled. (Click here to view original report: 15857)

• 15883, Tuesday, takayuki.tomaru, CRY/Cryostat IY, IYC test (temperature & frosting)

• 15884, Tuesday, rishabh.bajpai, CRY/Cryostat IY, Vibration Analysis

• 15886, Tuesday, satoru.ikeda, VIS/PR3, Driveable range of the PR3 GAS SF stepper motor

• 15888, Tuesday, kouseki.miyo, VIS/General, All payload models are in PAYLOAD_MASTER.mdl

• 15885, Tuesday, fabian.arellano, VIS/PR3, Comment to Gluing the mirror wire. (Click here to view original report: 15844)

• 15889, Tuesday, fabian.arellano, VIS/PR3, Traverser motor test and cabling.

• 15890, Tuesday, satoru.ikeda, VIS/PR3, Comment to Traverser motor test and cabling. (Click here to view original report: 15889)

• 15891, Tuesday, ryutaro.takahashi, VIS/EY, Setup of F3

Wednesday

• 15893, Wednesday, kouseki.miyo, VIS/EY, Comment to Setup of F3 (Click here to view original report: 15891)

• 15894, Wednesday, kouseki.miyo, VIS/EY, Comment to Setup of F3 (Click here to view original report: 15891)

• 15905, Wednesday, tatsuki.washimi, PEM/General, Bird watching (Ondotori maintenance) 2021

• 15906, Wednesday, kouseki.miyo, VIS/EY, Comment to Setup of F3 (Click here to view original report: 15891)

• 15908, Wednesday, takafumi.ushiba, CRY/Cryo-payload EX, Comment to EX payload upgrade (Click here to view original report: 15878)

• 15911, Wednesday, satoru.ikeda, VIS/PR3, Comment to Traverser motor test and cabling. (Click here to view original report: 15889)

• 15910, Wednesday, kouseki.miyo, VIS/EY, TF measurement for F3 GAS filter

• 15912, Wednesday, kouseki.miyo, VIS/EY, Comment to Setup of F3 (Click here to view original report: 15891)

• 15913, Wednesday, takayuki.tomaru, CRY/Cryostat IY, IYC cooler no.3

• 15918, Wednesday, ryutaro.takahashi, VIS/EY, Comment to Setup of F3 (Click here to view original report: 15891)

• 15919, Wednesday, ryutaro.takahashi, VIS/EY, Setup of BF

• 15920, Wednesday, satoru.ikeda, VIS/PR3, Comment to Traverser motor test and cabling. (Click here to view original report: 15889)

• 15921, Wednesday, fabian.arellano, VIS/SR3, Oplev installation.

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Agenda/Minutes on 2021/2/5

Zoom Meeting

CRY+VIS Interface Meeting

13:30-

Participants:

Post O3 Upgrade portal

Copy from previous meeting

• Schedule for IX: Connection is scheduled in the week of 2/8.
• Schedule for IY: Disconnection is scheduled on 3/11.
• Schedule for EX: Connection is scheduled in the week of 3/15.
• Corrugate tube fixing jig: Re-measurement is planed in 2/26-3/1 at IYV.
• Commissioning in vacuum: Two phased commissioning will be tried in IX at beginning. After that, one phase is default.
• Acceptance check: Cryo-payload in IX and Type-A tower in EY are on going.
• Jig for FC painting: Under manufacturing.
• PF actuator: by the end of January.

VIS Meeting

14:00-

Participants:

Progress report

General

Type-A

Type-B

Type-Bp

Type-C

Controls

Electronics

Towards O4

• Type-B/Bp remedy work is on going.
• Installation of Type-A is on going in EY.
• Schedule.

  • Chart

• Procedure documents.

  • Type-A tower installation

  • Limit switches

  • Limit switch connecting guide

  • Replacement of TF blades

  • Wire gluing in PR3

  • Type-B remedying work

• Criteria in the acceptance test.

  • Inspection document (sample)

Safety

Discussion

Travel Plans

The week from 2/8

• Takahashi: 2/8-12
• Sato: 2/8-12
• Hirata: 2/8-12
• Yano: 2/8-12

The week from 2/15

• Takahashi: 2/15-19
• Sato: 2/15-19
• Hirata: 2/15-19
• Yano: 2/15-19

Next meeting

• On 2020/2/12(Fri)