[dsg-hallb_rich] [New Logentry] Follow-up Re: Follow-up Re: RICH S1 airflow/pressure interlock error

Tyler Lemon tlemon at jlab.org
Thu Jun 5 18:15:55 EDT 2025


Hi Valery,

When you get a chance can you please double check the temperature interlock limits for RICH S1?

During today’s work, the interlock limits got overwritten to all zeros.
Marco M. found a screenshot of what the limits used to be so that’s what we used, but it seems like they’ve changed since that screenshot (hence his recent logbook entry about increasing the limit from 35 C to 39 C).

Thanks,
Tyler
________________________________
From: dsg-hallb_rich <dsg-hallb_rich-bounces at jlab.org> on behalf of mirazita--- via dsg-hallb_rich <dsg-hallb_rich at jlab.org>
Sent: Thursday, June 5, 2025 6:05:02 PM
To: dsg-hallb_rich at jlab.org <dsg-hallb_rich at jlab.org>; Valery Kubarovsky <vpk at jlab.org>
Subject: [dsg-hallb_rich] [New Logentry] Follow-up Re: Follow-up Re: RICH S1 airflow/pressure interlock error

Follow-up Re: Follow-up Re: RICH S1 airflow/pressure interlock error<https://logbooks.jlab.org/entry/4391455>

Lognumber 4391455<https://logbooks.jlab.org/entry/4391455>. Submitted by mirazita<https://logbooks.jlab.org/user/mirazita> on Thu, 06/05/2025 - 18:03<https://logbooks.jlab.org/entries?start_date=1749157427&end_date=1749164627&book=DSGLOG&book=HBLOG&book=RICH>.

Logbooks:       DSGLOG<https://logbooks.jlab.org/book/dsglog> HBLOG<https://logbooks.jlab.org/book/hblog> RICH<https://logbooks.jlab.org/book/rich>
Entry Makers:   Marco Mirazita
References:     4391420 - Follow-up Re: RICH S1 airflow/pressure interlock error<https://logbooks.jlab.org/entry/4391420>

RICH 1 interlock turned off the LV because temperature T4 exceeded the limit of 35 deg.
I increased the limit to 39 (same limit of T1,T2).
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