R&D (FilterCavity)
YuhangZhao - 15:08, Friday 19 November 2021 (2742)
Broken camera driver and pico-motor driver channel found during TAMA blackout recovery

Michael and Yuhang

Yesterday, we finally aligned back filter cavity. During the recovery phase, we found the camera driver used for intra-arm second target is broken. We replaced it with a driver labelled with 'PRM surface'.(fig1,2,3)

We also found the motor C of END mirror picomotor is broken. This motor was used for adjusting END mirror pitch (fig.4). But we can use the motor B for pitch temporarily since these motors are just used for sending signals with particular IP address (fig.5). The signal to be sent to picomotor is decided by ourselves from LABVIEW.

Images attached to this report
2742_20211119070733_wechatimg20.jpeg 2742_20211119070752_wechatimg23.jpeg 2742_20211119070758_wechatimg22.jpeg 2742_20211119070809_wechatimg24.jpeg 2742_20211119070817_wechatimg21.jpeg
Comments related to this report
NaokiAritomi - 19:12, Thursday 20 January 2022 (2797)

I connected the END YAW to the motor A of driver although I don't know the motor A is working or not.

NaokiAritomi - 19:18, Tuesday 15 February 2022 (2843)

I tried to move END YAW with motor A, but it didn't move. Maybe the motor A is also broken.