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I'll at least restart some of the things (EPICS, maybe cRIO) that have been acting up to see if that recovers the ones that aren't reading out.</div>
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<b>From:</b> dsg-hallb_rich <dsg-hallb_rich-bounces@jlab.org> on behalf of Valery Kubarovsky via dsg-hallb_rich <dsg-hallb_rich@jlab.org><br>
<b>Sent:</b> Monday, July 14, 2025 11:31 AM<br>
<b>To:</b> Tyler Lemon <tlemon@jlab.org>; Christopher Dilks <dilks@jlab.org><br>
<b>Cc:</b> Marco.Mirazita@lnf.infn.it <Marco.Mirazita@lnf.infn.it>; Valery Kubarovsky via dsg-hallb_rich <dsg-hallb_rich@jlab.org><br>
<b>Subject:</b> Re: [dsg-hallb_rich] [EXTERNAL] Re: RICH S4 CRIO heartbeat stopped</div>
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Hi Tyler,</div>
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It seems like the cRIO spontaneously fixed itself; see <a href="https://logbooks.jlab.org/entry/4416371" id="OWAd2d7c970-4765-1e86-447f-13d6d159bfc9" class="x_OWAAutoLink" title="https://logbooks.jlab.org/entry/4416371" data-auth="NotApplicable" data-ogsc="" data-linkindex="0" style="margin: 0px; text-align: left;">
https://logbooks.jlab.org/entry/4416371</a></div>
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I am not sure that this is the real fix of the problem.</div>
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Are you going to take a look during maintenance day this Thursday?</div>
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Thanks,</div>
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Valery</div>
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<b>From:</b> Tyler Lemon <tlemon@jlab.org><br>
<b>Sent:</b> Monday, July 14, 2025 11:01<br>
<b>To:</b> Christopher Dilks <dilks@jlab.org>; Valery Kubarovsky <vpk@jlab.org><br>
<b>Cc:</b> Marco.Mirazita@lnf.infn.it <Marco.Mirazita@lnf.infn.it>; Valery Kubarovsky via dsg-hallb_rich <dsg-hallb_rich@jlab.org><br>
<b>Subject:</b> Re: [dsg-hallb_rich] [EXTERNAL] Re: RICH S4 CRIO heartbeat stopped</div>
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Hi Chris,</div>
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Brian saw that the EPICS part of the interlock program was hung up for some of the gas system PVs, so that might be the cause of those PVs appearing frozen.</div>
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We can remotely restart just the EPICS portion of the program, but I am hesitant to do that over the short access period since other PVs are still working.</div>
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-Tyler</div>
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<b>From:</b> Christopher Dilks <dilks@jlab.org><br>
<b>Sent:</b> Monday, July 14, 2025 10:50 AM<br>
<b>To:</b> Tyler Lemon <tlemon@jlab.org>; Valery Kubarovsky <vpk@jlab.org><br>
<b>Cc:</b> Marco.Mirazita@lnf.infn.it <Marco.Mirazita@lnf.infn.it>; Valery Kubarovsky via dsg-hallb_rich <dsg-hallb_rich@jlab.org><br>
<b>Subject:</b> Re: [dsg-hallb_rich] [EXTERNAL] Re: RICH S4 CRIO heartbeat stopped</div>
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Hi Tyler,</div>
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Thanks for taking a look! I can ask Nathan if there's anything we could do in EPICS.</div>
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By the way, Thursday Jul. 17<sup>th</sup> will be a maintenance day.</div>
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Cheers,</div>
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Chris</div>
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<span style="font-family: Aptos, Aptos_EmbeddedFont, Aptos_MSFontService, Calibri, Helvetica, sans-serif; font-size: 10pt; color: rgb(0, 0, 0);">Christopher Dilks</span></p>
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<span style="font-family: Aptos, Aptos_EmbeddedFont, Aptos_MSFontService, Calibri, Helvetica, sans-serif; font-size: 10pt; color: rgb(0, 0, 0);">Jefferson Lab Staff Scientist</span></p>
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<span style="font-family: Aptos, Aptos_EmbeddedFont, Aptos_MSFontService, Calibri, Helvetica, sans-serif; font-size: 10pt; color: rgb(0, 0, 0);">Office: B122</span></p>
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<span style="font-family: Aptos, Aptos_EmbeddedFont, Aptos_MSFontService, Calibri, Helvetica, sans-serif; font-size: 10pt; color: rgb(0, 0, 0);">Phone: 757-269-7750</span></p>
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<span style="font-family: Aptos, Aptos_EmbeddedFont, Aptos_MSFontService, Calibri, Helvetica, sans-serif; font-size: 10pt; color: rgb(0, 0, 0);">Email: dilks@jlab.org</span></p>
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<b>From:</b> Tyler Lemon <tlemon@jlab.org><br>
<b>Sent:</b> Monday, July 14, 2025 09:48<br>
<b>To:</b> Christopher Dilks <dilks@jlab.org>; Valery Kubarovsky <vpk@jlab.org>; Tyler Lemon <tlemon@jlab.org><br>
<b>Cc:</b> Marco.Mirazita@lnf.infn.it <Marco.Mirazita@lnf.infn.it>; Valery Kubarovsky via dsg-hallb_rich <dsg-hallb_rich@jlab.org><br>
<b>Subject:</b> Re: [dsg-hallb_rich] [EXTERNAL] Re: RICH S4 CRIO heartbeat stopped</div>
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Hi Chris,</div>
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The raw voltage readback for those channels are updating.</div>
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Attached are two screenshots of the raw values taken about one minute apart.</div>
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AI0 is N2 flow</div>
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AI2 is Airflow 1</div>
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AI3 is Airflow 2</div>
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CH0 is air pressure</div>
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You can see that the values for the channels are different in the two screenshots.</div>
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So the cRIO is correctly monitoring the airflows, N2 flows, and air pressure. It might be something with an EPICS deadband making it look like those PVs aren't updating.</div>
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-Tyler</div>
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<b>From:</b> dsg-hallb_rich <dsg-hallb_rich-bounces@jlab.org> on behalf of Tyler Lemon via dsg-hallb_rich <dsg-hallb_rich@jlab.org><br>
<b>Sent:</b> Monday, July 14, 2025 9:06 AM<br>
<b>To:</b> Christopher Dilks <dilks@jlab.org>; Valery Kubarovsky <vpk@jlab.org><br>
<b>Cc:</b> Marco.Mirazita@lnf.infn.it <Marco.Mirazita@lnf.infn.it>; Valery Kubarovsky via dsg-hallb_rich <dsg-hallb_rich@jlab.org><br>
<b>Subject:</b> Re: [dsg-hallb_rich] [EXTERNAL] Re: RICH S4 CRIO heartbeat stopped</div>
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Hi Chris,</div>
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I‘m not sure if I will be able to make it around noon to go down to the hall.</div>
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I’m currently at the mechanic for my car and probably will be for most of the morning. </div>
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I can take a look remotely, though. </div>
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-Tyler</div>
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<b>From:</b> Christopher Dilks <dilks@jlab.org><br>
<b>Sent:</b> Monday, July 14, 2025 8:32:29 AM<br>
<b>To:</b> Valery Kubarovsky <vpk@jlab.org>; Tyler Lemon <tlemon@jlab.org><br>
<b>Cc:</b> Brian Eng <beng@jlab.org>; Marco.Mirazita@lnf.infn.it <Marco.Mirazita@lnf.infn.it>; Valery Kubarovsky via dsg-hallb_rich <dsg-hallb_rich@jlab.org><br>
<b>Subject:</b> Re: [EXTERNAL] Re: [dsg-hallb_rich] RICH S4 CRIO heartbeat stopped</div>
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Dear Tyler,</div>
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There will be a 20-30 minute access opportunity around noon today (for ECAL work). I'm not sure if that's enough time to take a look at the cRIO, but it is an access opportunity.</div>
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Also, I noticed that some of the S4 PVs, namely airflow, air pressure, and N2 flow, look like they are frozen; the heartbeat is beating though.</div>
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Cheers,</div>
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Chris</div>
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<span style="font-family: Aptos, Aptos_EmbeddedFont, Aptos_MSFontService, Calibri, Helvetica, sans-serif; font-size: 10pt; color: rgb(0, 0, 0);">Christopher Dilks</span></p>
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<span style="font-family: Aptos, Aptos_EmbeddedFont, Aptos_MSFontService, Calibri, Helvetica, sans-serif; font-size: 10pt; color: rgb(0, 0, 0);">Jefferson Lab Staff Scientist</span></p>
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<span style="font-family: Aptos, Aptos_EmbeddedFont, Aptos_MSFontService, Calibri, Helvetica, sans-serif; font-size: 10pt; color: rgb(0, 0, 0);">Office: B122</span></p>
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<span style="font-family: Aptos, Aptos_EmbeddedFont, Aptos_MSFontService, Calibri, Helvetica, sans-serif; font-size: 10pt; color: rgb(0, 0, 0);">Phone: 757-269-7750</span></p>
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<span style="font-family: Aptos, Aptos_EmbeddedFont, Aptos_MSFontService, Calibri, Helvetica, sans-serif; font-size: 10pt; color: rgb(0, 0, 0);">Email: dilks@jlab.org</span></p>
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<b>From:</b> Christopher Dilks <dilks@jlab.org><br>
<b>Sent:</b> Saturday, July 12, 2025 06:43<br>
<b>To:</b> Valery Kubarovsky <vpk@jlab.org>; Tyler Lemon <tlemon@jlab.org><br>
<b>Cc:</b> Brian Eng <beng@jlab.org>; Marco.Mirazita@lnf.infn.it <marco.mirazita@lnf.infn.it>; Valery Kubarovsky via dsg-hallb_rich <dsg-hallb_rich@jlab.org><br>
<b>Subject:</b> Re: [EXTERNAL] Re: [dsg-hallb_rich] RICH S4 CRIO heartbeat stopped</div>
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Dear all,</div>
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It seems like the cRIO spontaneously fixed itself; see <a href="https://logbooks.jlab.org/entry/4416371" id="OWA72177380-41d4-c5b7-0f9a-83da16c1872d" class="x_OWAAutoLink" data-auth="NotApplicable">
https://logbooks.jlab.org/entry/4416371</a></div>
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Thanks,</div>
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Chris</div>
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<span style="font-family: Aptos, Aptos_EmbeddedFont, Aptos_MSFontService, Calibri, Helvetica, sans-serif; font-size: 10pt; color: rgb(0, 0, 0);">Christopher Dilks</span></p>
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<span style="font-family: Aptos, Aptos_EmbeddedFont, Aptos_MSFontService, Calibri, Helvetica, sans-serif; font-size: 10pt; color: rgb(0, 0, 0);">Jefferson Lab Staff Scientist</span></p>
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<span style="font-family: Aptos, Aptos_EmbeddedFont, Aptos_MSFontService, Calibri, Helvetica, sans-serif; font-size: 10pt; color: rgb(0, 0, 0);">Office: B122</span></p>
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<span style="font-family: Aptos, Aptos_EmbeddedFont, Aptos_MSFontService, Calibri, Helvetica, sans-serif; font-size: 10pt; color: rgb(0, 0, 0);">Phone: 757-269-7750</span></p>
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<span style="font-family: Aptos, Aptos_EmbeddedFont, Aptos_MSFontService, Calibri, Helvetica, sans-serif; font-size: 10pt; color: rgb(0, 0, 0);">Email: dilks@jlab.org</span></p>
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<b>From:</b> Marco Mirazita <Marco.Mirazita@lnf.infn.it><br>
<b>Sent:</b> Thursday, July 10, 2025 10:06<br>
<b>To:</b> Valery Kubarovsky <vpk@jlab.org><br>
<b>Cc:</b> Brian Eng <beng@jlab.org>; Christopher Dilks <dilks@jlab.org>; Tyler Lemon <tlemon@jlab.org>; Valery Kubarovsky via dsg-hallb_rich <dsg-hallb_rich@jlab.org><br>
<b>Subject:</b> [EXTERNAL] Re: [dsg-hallb_rich] RICH S4 CRIO heartbeat stopped</div>
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<div style="direction: ltr; font-size: 11pt;">Hello,<br>
I agree with Valery, no reason to stop the data taking, but in case<br>
please be ready.<br>
Thank you,<br>
Marco<br>
<br>
<br>
Il 2025-07-10 16:04 Valery Kubarovsky via dsg-hallb_rich ha scritto:<br>
> I understand this, and I have no intention of interrupting data<br>
> taking. Nevertheless, if there is significant downtime, I would prefer<br>
> to take the opportunity to fix the cRio. Please be prepared.<br>
><br>
> -------------------------<br>
><br>
> From: Brian Eng <beng@jlab.org><br>
> Sent: Thursday, July 10, 2025 09:37<br>
> To: Valery Kubarovsky <vpk@jlab.org>; Christopher Dilks<br>
> <dilks@jlab.org>; Tyler Lemon <tlemon@jlab.org><br>
> Cc: Valery Kubarovsky via dsg-hallb_rich <dsg-hallb_rich@jlab.org><br>
> Subject: Re: RICH S4 CRIO heartbeat stopped<br>
><br>
> It can probably wait until the next planned maintenance window on<br>
> 7/17; at the very least I don't think this is something the beam<br>
> should be stopped for as troubleshooting can take longer than expected<br>
> if it isn't something obvious/simple.<br>
><br>
> Since we know there's still flow to S1, S4 should also be okay.<br>
><br>
> -------------------------<br>
><br>
> From: Valery Kubarovsky <vpk@jlab.org><br>
> Sent: Thursday, July 10, 2025 9:25 AM<br>
> To: Brian Eng <beng@jlab.org>; Christopher Dilks <dilks@jlab.org>;<br>
> Tyler Lemon <tlemon@jlab.org><br>
> Cc: Valery Kubarovsky via dsg-hallb_rich <dsg-hallb_rich@jlab.org><br>
> Subject: Re: RICH S4 CRIO heartbeat stopped<br>
><br>
> Hi Brian,<br>
> Thanks for the update. I will let you know when the access will be<br>
> available.<br>
> Regards,<br>
> Valery<br>
><br>
> -------------------------<br>
><br>
> From: Brian Eng <beng@jlab.org><br>
> Sent: Thursday, July 10, 2025 09:22<br>
> To: Christopher Dilks <dilks@jlab.org>; Tyler Lemon <tlemon@jlab.org>;<br>
> Valery Kubarovsky <vpk@jlab.org><br>
> Cc: Valery Kubarovsky via dsg-hallb_rich <dsg-hallb_rich@jlab.org><br>
> Subject: Re: RICH S4 CRIO heartbeat stopped<br>
><br>
> It looks like the sbRIO that was replaced 3 weeks ago is offline, or<br>
> at least isn't responding to pings.<br>
><br>
> There's nothing that can be done remotely so it would require an<br>
> access to further troubleshoot.<br>
><br>
> -------------------------<br>
><br>
> From: dsg-hallb_rich <dsg-hallb_rich-bounces@jlab.org> on behalf of<br>
> Valery Kubarovsky via dsg-hallb_rich <dsg-hallb_rich@jlab.org><br>
> Sent: Thursday, July 10, 2025 9:05 AM<br>
> To: Christopher Dilks <dilks@jlab.org>; Tyler Lemon <tlemon@jlab.org><br>
> Cc: Valery Kubarovsky via dsg-hallb_rich <dsg-hallb_rich@jlab.org><br>
> Subject: Re: [dsg-hallb_rich] RICH S4 CRIO heartbeat stopped<br>
><br>
> Hi Tyler,<br>
> Please take a look to the RICH cRIO sector 4.<br>
> Thank you,<br>
> Valery<br>
><br>
> -------------------------<br>
><br>
> From: Christopher Dilks <dilks@jlab.org><br>
> Sent: Thursday, July 10, 2025 02:15<br>
> To: Tyler Lemon <tlemon@jlab.org><br>
> Cc: Valery Kubarovsky <vpk@jlab.org><br>
> Subject: RICH S4 CRIO heartbeat stopped<br>
><br>
> Hi Tyler,<br>
><br>
> The heartbeat stopped around 1am:<br>
> <a href="https://logbooks.jlab.org/entry/4415043" id="OWA5a02688b-39ed-af0b-705e-952ab2efdb97" class="x_OWAAutoLink" data-auth="NotApplicable">
https://logbooks.jlab.org/entry/4415043</a><br>
><br>
> All Sector 4 N2 volume PVs are frozen. The frozen values look normal.<br>
><br>
> Can you take a look when you get this message? Meanwhile the shift<br>
> crew is calling engineering on-call (following the alarm guidance).<br>
><br>
> Thanks,<br>
> Chris<br>
><br>
>> Christopher Dilks<br>
>><br>
>> Jefferson Lab Staff Scientist<br>
>><br>
>> Office: B122<br>
>><br>
>> Phone: 757-269-7750<br>
>><br>
>> Email: dilks@jlab.org<br>
> _______________________________________________<br>
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