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Reports until 17:27, Friday 12 January 2018
H1 SQZ
daniel.sigg@LIGO.ORG - posted 17:27, Friday 12 January 2018 (40128)
SHG fast channels/TTFSS/DCPDs

Two problems prevented acquiring the SHG fast channels:

  1. The AA was not connected to the ADC
  2. The channel assignment in the model was wrong

Now fixed.

We found a loose cable inside TTFSS which prevented the readback of the LO monitor. We then tested the remote controls for the TTFSS and fixed a problem with the excitation enable logic and the gain slider calibration. The laser crystal temperature was also a factor of 5 too high, since the slow controls signal through the TTFSS implements a voltage divider. We also connected the fast channels. The only thing missing now is the HV.

Most of the DC PDs had the wrong configuration in TwinCAT. Now fixed.

Displaying report 1-1 of 1.