[dsg-hallb_rich] RICH hardware interlock.

[Valery Kubarovsky]

Hi Tyler,
I attached current status of the RICH hardware interlock. Some remarks.

  *   The design is different for RICH in sector 1 and 4.
  *   Humidity sensors in sector 4 (old RICH) don't work at all

What happened if I switch on humidity sensor in case of interlock event?
I want only to get email notification but don't touch HV and LV.

Would we ever plan to enable them? If not, would it be worth hiding the enable and limit set controls on EPICS to simplify screens? Something similar can also be done for the other sector if desired.

I prefer to leave it as is for a moment.


To make sure I have it right:
The old RICH will be relabeled to RICH Sector 4
The new RICH will be relabeled to RICH Sector 1

This is correct.

Thank you,
Valery



________________________________
From: Tyler Lemon <tlemon at jlab.org>
Sent: Friday, July 1, 2022 12:37
To: Valery Kubarovsky <vpk at jlab.org>; dsg-hallb_rich at jlab.org <dsg-hallb_rich at jlab.org>
Cc: Valery Kubarovsky <vpk at jlab.org>
Subject: Re: RICH hardware interlock.

Hi Valery,

I’ll work on changing the naming scheme to match what sector the detectors are in.

To make sure I have it right:
The old RICH will be relabeled to RICH Sector 4
The new RICH will be relabeled to RICH Sector 1


Also, I’ve noticed that for the detector formerly known as RICH-2, the interlocks for all humidity sensors and the N2 volume temperature sensors have never been enabled.

Would we ever plan to enable them? If not, would it be worth hiding the enable and limit set controls on EPICS to simplify screens? Something similar can also be done for the other sector if desired.

-Tyler
________________________________
From: Valery Kubarovsky <vpk at jlab.org>
Sent: Friday, July 1, 2022 12:09:18 PM
To: Tyler Lemon <tlemon at jlab.org>
Cc: Valery Kubarovsky <vpk at jlab.org>
Subject: RICH hardware interlock.

Hi Tyler,
RICH hardware interlock has incorrect titles.
RICH-I is located in sector 4
RICH-II is located in sector 1.
Your title says that RICH-I is located in sector 1.

I prefer to remove old names RICH-I and RICH-II.
We have to call it: RICH in sector 1 and RICH in sector 4.
Shifters don't know what RICh was first and what RICH was second.
They know sector number.

Slow control uses sector based names as well.

Could you please edit GUI?
Thanks,
Valery

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