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Reports until 18:43, Wednesday 06 August 2014
H1 General (PSL)
sheila.dwyer@LIGO.ORG - posted 18:43, Wednesday 06 August 2014 (13251)
OPS overview screen is back, PSL ODC

This morning I spent sometime updating the ops overview screen, it is projected in the control room again.

There are two things that would be helpfull from operators on shift or anyone on site:

While I was doing this I noticed that the PSL ODC state bit was bad.  I toggled the noise eater switch to get rid of the NPRO relaxation oscillation, after which stefan readjusted the ISS setpoint.  The theory is that the setpoint was adjusted while the NPRO was oscillating, once the oscillation was gone the ISS could no longer lock at that set point. 

Lastly, the FSS mixer voltage has been around 0.8 since june 16, when the PSL came back from the maintence.  Peter King tells me the PD was swapped out durring that time, so I have raised the threshold for the ODC to 0.9V from 0.6V.  The PSL ODC bit is now green. 

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