Reports until 15:40, Tuesday 04 March 2025
H1 SUS (OpsInfo)
oli.patane@LIGO.ORG - posted 15:40, Tuesday 04 March 2025 (83173)
Damping threshold for PI31 lowered

Since PI31 has been wanting to sit higher (83142) and has been regularly ringing up following the EY ring heater change (82962), I've lowered the threshold for turning the damping on on PI31. It previously would turn on once PI31 RMS went above 4, but I've lowered it to 3. This means starting about 4 hours into our locks, the damping on EY will be on almost continuously, but that's okay. This will hopefully stop the sudden ringups from happening every 30-45 minutes.