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 * Cable preparation for yaw stepper motor [Sato]

  * The five cables requested will be ordered in early October. However, would you consider the following alternatives.

   * For four (50 cm , kapton, M-Dsub<>bundy plug) cables. We have six unused cables of different lengths with similar specifications.([[https://gwdoc.icrr.u-tokyo.ac.jp/cgi-bin/private/DocDB/ShowDocument?docid=3901|JGW-D1503901/24]])

   * For (2.5m, F-Dsub<>F-Dsub) cable. We have Type2-2m(Dsub F-F, kapton) and Type4-1m(Dsub F-M, kapton). Two cables can be connected and extended.

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  * [[https://gwdoc.icrr.u-tokyo.ac.jp/cgi-bin/private/DocDB/ShowDocument?docid=5500|Type-A tower]]
  * [[https://gwdoc.icrr.u-tokyo.ac.jp/cgi-bin/private/DocDB/ShowDocument?docid=11598|Limit switches]]		   * [[https://gwdoc.icrr.u-tokyo.ac.jp/cgi-bin/private/DocDB/ShowDocument?docid=5500|Type-A tower installation]]
  * [[https://gwdoc.icrr.u-tokyo.ac.jp/cgi-bin/private/DocDB/ShowDocument?docid=11598|Limit switches]], <-- revised
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 * Acceptance Test ([[http://gwwiki.icrr.u-tokyo.ac.jp/JGWwiki/KAGRA/Subgroups/VIS/Acceptance%20Test|Wiki page]]).
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 * [Ishizaki] GAS filter improvement for post O4.  * [Ishizaki] GAS filter improvement for post O4.[[attachment:slide.pdf]]

Agenda/Minutes of the VIS Meeting on 2020/8/28

2020/8/28 14:00 -

Zoom Meeting

Participants:

Progress report

General

Type-A

Type-B

  • Cable preparation for yaw stepper motor [Sato]
    • The five cables requested will be ordered in early October. However, would you consider the following alternatives.

      • For four (50 cm , kapton, M-Dsub<>bundy plug) cables. We have six unused cables of different lengths with similar specifications.(JGW-D1503901/24)

      • For (2.5m, F-Dsub<>F-Dsub) cable. We have Type2-2m(Dsub F-F, kapton) and Type4-1m(Dsub F-M, kapton). Two cables can be connected and extended.

Type-Bp

Type-C

Controls

Electronics

Towards O4

cf. Post Obs. task (Request), Task for O3c (Plan, Sheet), Task towards O4 (List)

Safety

Discussion

  • [Terrence] New features for the suspensions, type-A and type-B, as pre-O4 upgrades (II).

  • [Ishizaki] GAS filter improvement for post O4.slide.pdf

Travel Plans

Next meeting

  • On 2020/9/4(Fri)

KAGRA/Subgroups/VIS/VISMinutes20200828 (last edited 2020-08-28 16:24:02 by RyutaroTakahashi)