Reports until 09:56, Thursday 04 June 2026
H1 SEI (CDS, SEI)
patrick.thomas@LIGO.ORG - posted 09:56, Thursday 04 June 2026 (90480)
corner station HEPI pump control migrated to Beckhoff PLC
Patrick T., Filiberto C., Richard M., Dave B., Jonathan H., Jim W.

WP 13262.

The summary of the work is detailed in the permit. There were some additional code changes needed to fix a scaling issue and some others made to clean things up. The only thing that should be left is to restart the DAQ to remove three channels.

IOC code:
https://git.ligo.org/cds/software/ads/ads-utils 9b98c481d6f9ab129fa4bc54475e05383d304aa2
https://git.ligo.org/cds/software/ads/epics7-ads c72c97eb4d1558d9de5c03234e90c8c651aab99b (in container), 9e5a10a014beeb0cb7b021649c459a0fa0488be7 (used to generated EPICS db)

PLC code:
https://git.ligo.org/cds/ifo/beckhoff/io 65f59557c1fefc90f4befc9338bd29a1fb27d8e0
https://git.ligo.org/cds/ifo/beckhoff/lho-hepi 3fd31d58fafc08e4d5a84dce1d0d57dfd8b6b74e