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Reports until 08:03, Tuesday 30 September 2025
H1 CDS
david.barker@LIGO.ORG - posted 08:03, Tuesday 30 September 2025 - last comment - 08:47, Tuesday 30 September 2025(87212)
h1hpiham6 new model prepped and ready for restart.

WP12814

Jim, Erik, Dave:

I have rev-locked built and installed Jim's new h1hpiham6 model. This is an internal ADC rewiring of 4 channels, no DAQ restart needed. We will restart the model later this morning when Jim completes his chamber side wiring work.

Comments related to this report
david.barker@LIGO.ORG - 08:47, Tuesday 30 September 2025 (87216)

Jim put HEPI HAM6 into a safe state and we installed the new model at 08:40 PDT. No DAQ restart was required, I just had to clear the DAQ CRCs and DIAG_RESET the latched IPCs.

For a check, I was viewing the filter module MEDMs for WITNESS_P1 and 3DL4C_A_X. With the old code the witness was seeing around 700 counts and A_X zero, with the new code this was reversed, as expected.

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