marc.pirello@LIGO.ORG - posted 10:54, Wednesday 08 April 2026 - last comment - 16:26, Monday 13 April 2026(89822)
IO Chassis Firmware and Sync Cable Upgrade
Per WP13110 we have upgraded the IO chassis listed below.
This link contains the asbuilt for all of the H1 IO Chassis: https://dcc.ligo.org/LIGO-D1301004
This link contains the ECR for the IO Chassis sync cable upgrade: https://dcc.ligo.org/LIGO-E2600069
This link is to the work in progress spreadsheet LHO Front Ends Upgrade Status
Corner:
SUSB2H34 has upgraded firmware and sync
SUSAUXB2H34 has upgraded firmware and sync
SEIH7 has upgraded firmware and sync
OMC0 has upgraded firmware and sync
OAF0 has upgraded firmware and sync
ASC0 has upgraded firmware and sync
LSC0 has upgraded firmware and sync
Here is the current IO Chassis upgrade status:
Completed the following upgrades today. While making rounds I took time to check the Kepco power supplies and found one failed but not tripped, EX-VDD2-U22-RHS Rotor Locked, +/-18V ISC_C1 S1203039. Will exchange at earliest convience.
EX:
H1SUSAUX_EX already had latest firmware, sync cable upgraded
H1SUS_EX already had latest firmware, sync cable upgraded *
H1ISC_EX already had latest firmware, sync cable upgraded
H1SEI_EX already had latest firmware, sync cable upgraded
* H1SUS_EX has 2 LD32 DAC's without heatsinks. It also has a 3rd fan installed.
MX:
H1MX already had latest firmware, sync cable upgraded
EY:
H1SUSAUX_EY already had latest firmware, sync cable upgraded
H1SUS_EY already had latest firmware, sync cable upgraded
H1ISC_EY already had latest firmware, sync cable upgraded
H1SEI_EY already had latest firmware, sync cable upgraded
MY:
H1MX already had latest firmware, sync cable upgraded
Started the day upgrading IO chassis:
Corner:
PSL0 has upgraded firmware and sync
SUSAUXH2 has upgraded firmware and sync
SUSAUXB13 has upgraded firmware and sync
SEIH16 has upgraded firmware and sync
SUSAUXH56 has upgraded firmware and sync
FCAV:
CDSH8 has upgraded firmware and sync
Mechanical Room Mezzanine:
SUSH6 has upgraded firmware and sync
SUSH7 has upgraded firmware and sync
CER:
SEIB1 has upgraded firmware and sync
SEIB2 has upgraded firmware and sync
SEIB3 has upgraded firmware and sync
SEIH23 has upgraded firmware and sync
SEIH45 has upgraded firmware and sync
SUSH56 has upgraded firmware and sync
SUSB13 already had latest firmware, sync cable upgraded
SUSH12 already had latest firmware, sync cable upgraded
All IO Chassis Upgraded, closing WP13110.
erik v, dave b, filiberto c, marc p.