Reports until 18:36, Wednesday 26 February 2014
H1 SEI
jameson.rollins@LIGO.ORG - posted 18:36, Wednesday 26 February 2014 - last comment - 10:12, Thursday 27 February 2014(10364)
HAM2/3 ISI filter file updates in preparation for guardian deployment

In prepartation for tomorrows guardian deployment on ISI HAM2/3, I checked the configurations of the filter modules in the HAM2/3 ISIs, to make sure they are configured as needed for the guardian.  I found a couple of discrepencies that I've tried to sort out.

The BLEND configuration is not currently touched by the guardian code, so we're not working about their configuration for the moment.

The configuration of the DAMP filter modules seems to be as expected (FM1 loaded only with 'Damp').

The ISO modules were a different story.  ISI_HAMX expects the following filter banks to be populated for the vaious isolation levels:

HAM2/3 has nothing in FM3/5/6/7.  I therefore added unity gain filters into those banks, and gave them the appropriate names.

The Boost_* filters also didn't have the 5 second ramp times that we decided we needed during the HAM4 testing.  I added those ramps as well.

I have saved the filter files, but I have not yet loaded them into HAM2/3.  I will load them when I start my tests tomorrow morning.

Comments related to this report
brian.lantz@LIGO.ORG - 10:12, Thursday 27 February 2014 (10374)
There is a typo in the HIGH -
HIGH uses FM 4,5,6, possibly 7, and boosts with FM8
(using the 1-10 numbering)