Reports until 09:35, Tuesday 26 May 2026
H1 CDS (SEI)
filiberto.clara@LIGO.ORG - posted 09:35, Tuesday 26 May 2026 (90337)
Corner Station HEPI

WP 13259
ECR E2200043

The CS HEPI system is planned to be upgraded to a Beckhoff PLC system. Modifications to the motor control panels to readout the VRD readback signal completed. Cabling and panel connections cleaned up. Part of ECR E2200043.

Prior to starting work:

  1. All pump stations were locally powered off via the front panel OFF button
  2. Breakers to pump stations powered off
  3. An anti-static floor mat and a grounding wrist strap used when working on the control panels