Reports until 10:19, Monday 09 March 2026
H1 CDS
david.barker@LIGO.ORG - posted 10:19, Monday 09 March 2026 - last comment - 13:23, Monday 09 March 2026(89427)
h1sush12 LIGO-DAC replacement.

WP13077 Replace suspect first LIGO-DAC in h1sush12

Sheila, Marc, Erik, Dave:

We replaced the first LIGO-DAC in h1sush12's IO Chassis. Its ribbon cable and interface card were also replaced.

Replacement parts were removed from the DTS x7eetest1 system.

No DAQ restart was required.

Comments related to this report
ryan.short@LIGO.ORG - 10:57, Monday 09 March 2026 (89431)
Link

JM1 and JM3 moved after this restart because of some old values in SDF for their alignment sliders, so once things were brought back up, Sheila and I realigned the suspensions and I accepted their alignment offsets in SDF. Screenshot attached.

Images attached to this comment
erik.vonreis@LIGO.ORG - 13:23, Monday 09 March 2026 (89433)
Link

Old Serial numbers

DAC: S2500460

Interface card: S2500449

 

New serial numbers:

DAC: S2500445

Interface card: 34924