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Hence why the humidity interlock for S4 has been disabled.</div>
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If it'd be better, during the next downtime, I can remove that logic from the S4 cRIOs.</div>
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In the mean time, I can remove those enable controls from EPICS.</div>
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<div id="divRplyFwdMsg" dir="ltr"><font face="Calibri, sans-serif" style="font-size:11pt" color="#000000"><b>From:</b> Valery Kubarovsky <vpk@jlab.org><br>
<b>Sent:</b> Friday, July 1, 2022 1:30 PM<br>
<b>To:</b> George Jacobs <jacobsg@jlab.org>; Tyler Lemon <tlemon@jlab.org>; dsg-hallb_rich@jlab.org <dsg-hallb_rich@jlab.org><br>
<b>Subject:</b> Re: RICH hardware interlock.</font>
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We need only alarm for humidity sensors.</div>
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<div id="x_divRplyFwdMsg" dir="ltr"><font face="Calibri, sans-serif" color="#000000" style="font-size:11pt"><b>From:</b> George Jacobs <jacobsg@jlab.org><br>
<b>Sent:</b> Friday, July 1, 2022 13:21<br>
<b>To:</b> Tyler Lemon <tlemon@jlab.org>; Valery Kubarovsky <vpk@jlab.org>; dsg-hallb_rich@jlab.org <dsg-hallb_rich@jlab.org><br>
<b>Subject:</b> Re: RICH hardware interlock.</font>
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I have a question about the humidity HV/LV interlock. What is the purpose of the humidity HV/LV interlock? Would a high humidity alarm be more useful?</div>
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<div>-- <br>
George Jacobs<br>
<span style="font-family:"Times New Roman",Times,serif">Jefferson Lab (TJNAF)</span><br>
<span style="font-family:"Times New Roman",Times,serif">STE 12</span><br>
<span style="font-family:"Times New Roman",Times,serif">12000 Jefferson Ave.</span><br>
<span style="font-family:"Times New Roman",Times,serif">Newport News, VA 23606</span><br>
<span style="font-family:"Times New Roman",Times,serif">(office) 757-269-7021</span><br>
<span style="font-family:"Times New Roman",Times,serif">(email) jacobsg@jlab.org</span></div>
<div><span style="font-family:"Times New Roman",Times,serif">(url) https://userweb.jlab.org/~jacobsg<br>
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<div id="x_x_divRplyFwdMsg" dir="ltr"><font face="Calibri, sans-serif" color="#000000" style="font-size:11pt"><b>From:</b> dsg-hallb_rich <dsg-hallb_rich-bounces@jlab.org> on behalf of Tyler Lemon <tlemon@jlab.org><br>
<b>Sent:</b> Friday, July 1, 2022 1:07 PM<br>
<b>To:</b> Valery Kubarovsky <vpk@jlab.org>; dsg-hallb_rich@jlab.org <dsg-hallb_rich@jlab.org><br>
<b>Subject:</b> Re: [dsg-hallb_rich] RICH hardware interlock.</font>
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Hi Valery and Amrit,<br>
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The detector until today what we've been calling RICH-1 (the old RICH) is in sector 4.</div>
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The RICH sector 4 humidity sensors do work, their reading is just so low that the sensor outputs a zero. We can also see this in the nitrogen volume sensors in RICH sector 1.</div>
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Since the interlocks for the humidity are not enabled, we're essentially only monitoring the humidity.<br>
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For Sector 4, if the humidity interlock is enabled, it will turn off LV and HV.</div>
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For Sector 1, it will only alert.</div>
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This difference exists because of the difference in how DSG did hardware interlock systems for RICH S4 vs RICH S1.</div>
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How should the screens be laid out? Like RICH S4? Or RICH S1?</div>
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-Tyler<br>
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<div id="x_x_x_divRplyFwdMsg" dir="ltr"><font face="Calibri, sans-serif" color="#000000" style="font-size:11pt"><b>From:</b> Valery Kubarovsky <vpk@jlab.org><br>
<b>Sent:</b> Friday, July 1, 2022 1:00 PM<br>
<b>To:</b> Tyler Lemon <tlemon@jlab.org>; dsg-hallb_rich@jlab.org <dsg-hallb_rich@jlab.org><br>
<b>Subject:</b> Re: RICH hardware interlock.</font>
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Hi Tyler,</div>
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I attached current status of the RICH hardware interlock. Some remarks.</div>
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<li>The design is different for RICH in sector 1 and 4.</li><li style="font-family:Calibri,Arial,Helvetica,sans-serif; font-size:14pt; color:rgb(0,0,0); background-color:rgb(255,255,255)">
Humidity sensors in sector 4 (old RICH) don't work at all</li></ul>
<div>What happened if I switch on humidity sensor in case of interlock event?</div>
<div>I want only to get email notification but don't touch HV and LV.</div>
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<div><span dir="ltr" style="margin:0px; font-size:14.000000953674316px; color:rgb(87,6,6)">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.</span><br class="x_x_x_x_Apple-interchange-newline">
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<div>I prefer to leave it as is for a moment.</div>
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<div><span dir="ltr" style="margin:0px; font-size:14.000000953674316px; color:rgb(87,6,6)">To make sure I have it right:</span>
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<span style="color:rgb(87,6,6)">The old RICH will be relabeled to RICH Sector 4</span></div>
<span dir="ltr" style="margin:0px; font-size:14.000000953674316px; color:rgb(87,6,6)">The new RICH will be relabeled to RICH Sector 1</span><br class="x_x_x_x_Apple-interchange-newline">
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<div>This is correct.</div>
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<div>Thank you,</div>
<div>Valery</div>
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<div id="x_x_x_x_divRplyFwdMsg" dir="ltr"><font face="Calibri, sans-serif" color="#000000" style="font-size:11pt"><b>From:</b> Tyler Lemon <tlemon@jlab.org><br>
<b>Sent:</b> Friday, July 1, 2022 12:37<br>
<b>To:</b> Valery Kubarovsky <vpk@jlab.org>; dsg-hallb_rich@jlab.org <dsg-hallb_rich@jlab.org><br>
<b>Cc:</b> Valery Kubarovsky <vpk@jlab.org><br>
<b>Subject:</b> Re: RICH hardware interlock.</font>
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<div dir="ltr" style=""><span id="x_x_x_x_x_ms-outlook-ios-cursor"></span>Hi Valery,</div>
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<div dir="ltr" style="">I’ll work on changing the naming scheme to match what sector the detectors are in. </div>
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<div dir="ltr" style="">To make sure I have it right:</div>
<div dir="ltr" style="">The old RICH will be relabeled to RICH Sector 4</div>
<div dir="ltr" style="">The new RICH will be relabeled to RICH Sector 1</div>
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<div dir="ltr" style="">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. </div>
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<div dir="ltr" style="">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. </div>
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<div dir="ltr" style="">-Tyler</div>
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<div id="x_x_x_x_x_divRplyFwdMsg" dir="ltr"><font face="Calibri, sans-serif" color="#000000" style="font-size:11pt"><b>From:</b> Valery Kubarovsky <vpk@jlab.org><br>
<b>Sent:</b> Friday, July 1, 2022 12:09:18 PM<br>
<b>To:</b> Tyler Lemon <tlemon@jlab.org><br>
<b>Cc:</b> Valery Kubarovsky <vpk@jlab.org><br>
<b>Subject:</b> RICH hardware interlock.</font>
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Hi Tyler,</div>
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RICH hardware interlock has incorrect titles.</div>
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RICH-I is located in sector 4</div>
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RICH-II is located in sector 1.</div>
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Your title says that RICH-I is located in sector 1.</div>
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I prefer to remove old names RICH-I and RICH-II.</div>
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We have to call it: RICH in sector 1 and RICH in sector 4.</div>
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Shifters don't know what RICh was first and what RICH was second.</div>
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They know sector number.</div>
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Slow control uses sector based names as well.</div>
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Could you please edit GUI?</div>
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Thanks,</div>
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Valery</div>
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