laura.nuttall@LIGO.ORG - posted 13:27, Monday 08 May 2017 - last comment - 23:10, Monday 08 May 2017(36091)
Long duration software saturations since Friday's storm
Since Friday's storm every lock shows software saturations in NGN-CS_CBRS_RY_PZT1/2_CTRL. These channels seem to saturate for about 85 seconds, then stop saturating for about 50 seconds before saturating again. This trend has continued throughout the weekend. Here's the summary page link: https://ldas-jobs.ligo-wa.caltech.edu/~detchar/summary/day/20170505/detchar/software_saturations/
The CBRS was disconnected a few weeks ago, so this is probably due to the guardian node getting restarted after the lightning storm on the 4th. Probably no one has looked at it since then. The BRS is physically disconnected, so this probably isn't hurting anything.