[dsg-hallb_rich] RICH S1 interlock system back up

[Tyler Lemon]

Hi Everyone,

The RICH S1 hardware interlocks are back up and running as normal.

I verified with a meter and through EPICS that the system disables HV and LV upon an interlock.

I'm not able use the EPICS user interface for S1 high voltage for resetting the external disable from the interlock system. It gives an error that my user account does not have write access to that control, so someone else will have to clear it.

A log book entry should be posted shortly. I'll also send out a final follow up email for S1 to act as a more detailed log of the system changes for future reference.



Today's maintenance period is scheduled to end in the early afternoon, so I will not have time to swap out the S4 cRIO for those humidity sensors. Since the humidity sensors are only monitored and we know there is still nitrogen flow to S4, that work will be complete next Wednesday (the next accelerator maintenance day).

-Tyler

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