<html>
<head>
<meta http-equiv="Content-Type" content="text/html; charset=us-ascii">
<style type="text/css" style="display:none;"> P {margin-top:0;margin-bottom:0;} </style>
</head>
<body dir="ltr">
<div style="font-family: Calibri, Arial, Helvetica, sans-serif; font-size: 12pt; color: rgb(0, 0, 0); background-color: rgb(255, 255, 255);" class="elementToProof">
Thanks for your comments, also Steve's. My impression is that they do have the web app, as it's the same crate model, but we just don't know much about it. Something to improve on, for sure.</div>
<div style="font-family: Calibri, Arial, Helvetica, sans-serif; font-size: 12pt; color: rgb(0, 0, 0); background-color: rgb(255, 255, 255);" class="elementToProof">
<br>
</div>
<div style="font-family: Calibri, Arial, Helvetica, sans-serif; font-size: 12pt; color: rgb(0, 0, 0); background-color: rgb(255, 255, 255);" class="elementToProof">
Bob<br>
</div>
<div class="elementToProof"><br>
</div>
<div id="appendonsend"></div>
<hr style="display:inline-block;width:98%" tabindex="-1">
<div id="divRplyFwdMsg" dir="ltr"><font face="Calibri, sans-serif" style="font-size:11pt" color="#000000"><b>From:</b> Aaron Brown <ambrown@jlab.org><br>
<b>Sent:</b> Friday, January 20, 2023 3:19 PM<br>
<b>To:</b> Robert Michaels <rom@jlab.org>; Aaron Brown via Dsg-hallc_nps <dsg-hallc_nps@jlab.org><br>
<b>Subject:</b> Re: Can you consult on a HV control problem ?</font>
<div> </div>
</div>
<style type="text/css" style="display:none">
<!--
p
{margin-top:0;
margin-bottom:0}
-->
</style>
<div dir="ltr">
<div class="x_elementToProof"><span style="font-family:Calibri,Arial,Helvetica,sans-serif; font-size:12pt; color:rgb(0,0,0); background-color:rgb(255,255,255)">This appears to be the same problem we experienced with the nps-hv1 crate last week.</span></div>
<div class="x_elementToProof"><span style="font-family:Calibri,Arial,Helvetica,sans-serif; font-size:12pt; color:rgb(0,0,0); background-color:rgb(255,255,255)">The solution was the same. The EPICS service had to be disabled and restarted again.</span></div>
<div class="x_elementToProof"><span style="font-family:Calibri,Arial,Helvetica,sans-serif; font-size:12pt; color:rgb(0,0,0); background-color:rgb(255,255,255)">We also had to power cycle the crate.</span></div>
<div class="x_elementToProof"><span style="font-family:Calibri,Arial,Helvetica,sans-serif; font-size:12pt; color:rgb(0,0,0); background-color:rgb(255,255,255)">All of this was possible remotely via the web app.</span></div>
<div class="x_elementToProof"><span style="font-family:Calibri,Arial,Helvetica,sans-serif; font-size:12pt; color:rgb(0,0,0); background-color:rgb(255,255,255)">Is this not something that they have access to in Hall A?</span></div>
<div class="x_elementToProof"><span style="font-family:Calibri,Arial,Helvetica,sans-serif; font-size:12pt; color:rgb(0,0,0); background-color:rgb(255,255,255)">It appears that they had to do all of this in the hall.</span></div>
<div class="x_elementToProof"><span style="font-family:Calibri,Arial,Helvetica,sans-serif; font-size:12pt; color:rgb(0,0,0); background-color:rgb(255,255,255)"><br>
</span></div>
<div class="x_elementToProof"><span style="font-family:Calibri,Arial,Helvetica,sans-serif; font-size:12pt; color:rgb(0,0,0); background-color:rgb(255,255,255)">-- Aaron<br>
</span></div>
<div id="x_appendonsend"></div>
<hr tabindex="-1" style="display:inline-block; width:98%">
<div id="x_divRplyFwdMsg" dir="ltr"><font face="Calibri, sans-serif" color="#000000" style="font-size:11pt"><b>From:</b> Robert Michaels <rom@jlab.org><br>
<b>Sent:</b> Friday, January 20, 2023 3:10 PM<br>
<b>To:</b> Aaron Brown <ambrown@jlab.org>; Aaron Brown via Dsg-hallc_nps <dsg-hallc_nps@jlab.org><br>
<b>Subject:</b> Re: Can you consult on a HV control problem ?</font>
<div> </div>
</div>
<style type="text/css" style="display:none">
<!--
p
{margin-top:0;
margin-bottom:0}
-->
</style>
<div dir="ltr">
<div class="x_x_elementToProof x_x_ContentPasted1" style="font-family:Calibri,Arial,Helvetica,sans-serif; font-size:12pt; color:rgb(0,0,0); background-color:rgb(255,255,255)">
Ralph Marinaro and a small team fixed this in hall A. Here is their log entry</div>
<div class="x_x_elementToProof"><span class="x_x_ContentPasted0" style="font-family:Calibri,Arial,Helvetica,sans-serif; font-size:12pt; color:rgb(0,0,0); background-color:rgb(255,255,255)"><a href="https://logbooks.jlab.org/entry/4113839" id="LPlnk447314">https://logbooks.jlab.org/entry/4113839</a><br>
</span></div>
<div class="x_x_elementToProof" style="font-family:Calibri,Arial,Helvetica,sans-serif; font-size:12pt; color:rgb(0,0,0); background-color:rgb(255,255,255)">
<br>
</div>
<div class="x_x_elementToProof" style="font-family:Calibri,Arial,Helvetica,sans-serif; font-size:12pt; color:rgb(0,0,0); background-color:rgb(255,255,255)">
Largely what's happened here is that the CAEN HV units are fairly new to hall A</div>
<div class="x_x_elementToProof" style="font-family:Calibri,Arial,Helvetica,sans-serif; font-size:12pt; color:rgb(0,0,0); background-color:rgb(255,255,255)">
(we had LeCroy before), and Steve Wood implemented an EPICS controls, but then</div>
<div class="x_x_elementToProof" style="font-family:Calibri,Arial,Helvetica,sans-serif; font-size:12pt; color:rgb(0,0,0); background-color:rgb(255,255,255)">
retired. Steve did leave a legacy of Wiki instructions. And I asked Ralph to review</div>
<div class="x_x_elementToProof" style="font-family:Calibri,Arial,Helvetica,sans-serif; font-size:12pt; color:rgb(0,0,0); background-color:rgb(255,255,255)">
possible improvements to that Wiki. I know that the DSG group has experience</div>
<div class="x_x_elementToProof" style="font-family:Calibri,Arial,Helvetica,sans-serif; font-size:12pt; color:rgb(0,0,0); background-color:rgb(255,255,255)">
with these HV crates -- I believe its the same kind as NPS has -- so that's why</div>
<div class="x_x_elementToProof" style="font-family:Calibri,Arial,Helvetica,sans-serif; font-size:12pt; color:rgb(0,0,0); background-color:rgb(255,255,255)">
I reached out. But then Ralph and his team were quick to fix things.</div>
<div class="x_x_elementToProof" style="font-family:Calibri,Arial,Helvetica,sans-serif; font-size:12pt; color:rgb(0,0,0); background-color:rgb(255,255,255)">
<br>
</div>
<div class="x_x_elementToProof" style="font-family:Calibri,Arial,Helvetica,sans-serif; font-size:12pt; color:rgb(0,0,0); background-color:rgb(255,255,255)">
yours</div>
<div class="x_x_elementToProof" style="font-family:Calibri,Arial,Helvetica,sans-serif; font-size:12pt; color:rgb(0,0,0); background-color:rgb(255,255,255)">
Bob</div>
<div class="x_x_elementToProof">
<div style="font-family:Calibri,Arial,Helvetica,sans-serif; font-size:12pt; color:rgb(0,0,0)">
<br>
</div>
</div>
<div id="x_x_appendonsend"></div>
<hr tabindex="-1" style="display:inline-block; width:98%">
<div id="x_x_divRplyFwdMsg" dir="ltr"><font face="Calibri, sans-serif" color="#000000" style="font-size:11pt"><b>From:</b> Aaron Brown <ambrown@jlab.org><br>
<b>Sent:</b> Friday, January 20, 2023 2:37 PM<br>
<b>To:</b> Aaron Brown via Dsg-hallc_nps <dsg-hallc_nps@jlab.org>; Robert Michaels <rom@jlab.org><br>
<b>Subject:</b> Re: Can you consult on a HV control problem ?</font>
<div> </div>
</div>
<style type="text/css" style="display:none">
<!--
p
{margin-top:0;
margin-bottom:0}
-->
</style>
<div dir="ltr">
<div class="x_x_x_elementToProof"><span style="font-family:Calibri,Arial,Helvetica,sans-serif; font-size:12pt; color:rgb(0,0,0); background-color:rgb(255,255,255)">I'd be interested to know how they fixed the problem.</span></div>
<div class="x_x_x_elementToProof"><span style="font-family:Calibri,Arial,Helvetica,sans-serif; font-size:12pt; color:rgb(0,0,0); background-color:rgb(255,255,255)">And what kind of HV crates they're trying to communicate with.<br>
</span></div>
<div id="x_x_x_appendonsend"></div>
<hr tabindex="-1" style="display:inline-block; width:98%">
<div id="x_x_x_divRplyFwdMsg" dir="ltr"><font face="Calibri, sans-serif" color="#000000" style="font-size:11pt"><b>From:</b> Dsg-hallc_nps <dsg-hallc_nps-bounces@jlab.org> on behalf of Robert Michaels via Dsg-hallc_nps <dsg-hallc_nps@jlab.org><br>
<b>Sent:</b> Friday, January 20, 2023 2:20 PM<br>
<b>To:</b> Aaron Brown via Dsg-hallc_nps <dsg-hallc_nps@jlab.org>; Robert Michaels <rom@jlab.org><br>
<b>Subject:</b> Re: [Dsg-hallc_nps] Can you consult on a HV control problem ?</font>
<div> </div>
</div>
<style type="text/css" style="display:none">
<!--
p
{margin-top:0;
margin-bottom:0}
-->
</style>
<div dir="ltr">
<div class="x_x_x_x_elementToProof" style="font-family:Calibri,Arial,Helvetica,sans-serif; font-size:12pt; color:rgb(0,0,0); background-color:rgb(255,255,255)">
It looks like the experimenters fixed their problems. So, there's no urgency now.</div>
<div class="x_x_x_x_elementToProof" style="font-family:Calibri,Arial,Helvetica,sans-serif; font-size:12pt; color:rgb(0,0,0); background-color:rgb(255,255,255)">
I've asked them to document the experience in the HALOG logbook.</div>
<div class="x_x_x_x_elementToProof" style="font-family:Calibri,Arial,Helvetica,sans-serif; font-size:12pt; color:rgb(0,0,0); background-color:rgb(255,255,255)">
<br>
</div>
<div class="x_x_x_x_elementToProof" style="font-family:Calibri,Arial,Helvetica,sans-serif; font-size:12pt; color:rgb(0,0,0); background-color:rgb(255,255,255)">
Sincerely, Bob<br>
</div>
<div class="x_x_x_x_elementToProof"><br>
</div>
<div id="x_x_x_x_appendonsend"></div>
<hr tabindex="-1" style="display:inline-block; width:98%">
<div id="x_x_x_x_divRplyFwdMsg" dir="ltr"><font face="Calibri, sans-serif" color="#000000" style="font-size:11pt"><b>From:</b> Dsg-hallc_nps <dsg-hallc_nps-bounces@jlab.org> on behalf of Robert Michaels via Dsg-hallc_nps <dsg-hallc_nps@jlab.org><br>
<b>Sent:</b> Friday, January 20, 2023 1:57 PM<br>
<b>To:</b> Aaron Brown via Dsg-hallc_nps <dsg-hallc_nps@jlab.org><br>
<b>Subject:</b> [Dsg-hallc_nps] Can you consult on a HV control problem ?</font>
<div> </div>
</div>
<style type="text/css" style="display:none">
<!--
p
{margin-top:0;
margin-bottom:0}
-->
</style>
<div dir="ltr">
<div class="x_x_x_x_x_elementToProof" style="font-family:Calibri,Arial,Helvetica,sans-serif; font-size:12pt; color:rgb(0,0,0); background-color:rgb(255,255,255)">
We're using the CAEN mainframes in Hall A. Steve Wood set up a lot of the</div>
<div class="x_x_x_x_x_elementToProof" style="font-family:Calibri,Arial,Helvetica,sans-serif; font-size:12pt; color:rgb(0,0,0); background-color:rgb(255,255,255)">
EPICS, I think they use CS Studio. Now, some hall A workers are having trouble.</div>
<div class="x_x_x_x_x_elementToProof" style="font-family:Calibri,Arial,Helvetica,sans-serif; font-size:12pt; color:rgb(0,0,0); background-color:rgb(255,255,255)">
See the logbook below. Are you able to consult on this ? It might be something</div>
<div class="x_x_x_x_x_elementToProof" style="font-family:Calibri,Arial,Helvetica,sans-serif; font-size:12pt; color:rgb(0,0,0); background-color:rgb(255,255,255)">
simple, but sadly we are ignorant, or at least I am.</div>
<div class="x_x_x_x_x_elementToProof" style="font-family:Calibri,Arial,Helvetica,sans-serif; font-size:12pt; color:rgb(0,0,0); background-color:rgb(255,255,255)">
<br>
</div>
<div class="x_x_x_x_x_elementToProof x_x_x_x_x_ContentPasted0" style="font-family:Calibri,Arial,Helvetica,sans-serif; font-size:12pt; color:rgb(0,0,0); background-color:rgb(255,255,255)">
<a href="https://logbooks.jlab.org/entry/4113783" id="LPlnk940049">https://logbooks.jlab.org/entry/4113783</a></div>
<div class="x_x_x_x_x_elementToProof x_x_x_x_x_ContentPasted0" style="font-family:Calibri,Arial,Helvetica,sans-serif; font-size:12pt; color:rgb(0,0,0); background-color:rgb(255,255,255)">
<br>
</div>
<div class="x_x_x_x_x_elementToProof x_x_x_x_x_ContentPasted0" style="font-family:Calibri,Arial,Helvetica,sans-serif; font-size:12pt; color:rgb(0,0,0); background-color:rgb(255,255,255)">
Contact me (757 782 7042) and I'll put you in contact with someone on</div>
<div class="x_x_x_x_x_elementToProof x_x_x_x_x_ContentPasted0" style="font-family:Calibri,Arial,Helvetica,sans-serif; font-size:12pt; color:rgb(0,0,0); background-color:rgb(255,255,255)">
the experiment if you can help.<br>
</div>
<div class="x_x_x_x_x_elementToProof">
<div style="font-family:Calibri,Arial,Helvetica,sans-serif; font-size:12pt; color:rgb(0,0,0)">
<br>
</div>
<div id="x_x_x_x_x_Signature">
<div>
<div id="x_x_x_x_x_divtagdefaultwrapper" dir="ltr" style="font-size:12pt; color:#000000; font-family:Calibri,Helvetica,sans-serif">
<p style="margin-top:0; margin-bottom:0">Dr. Robert Michaels</p>
<p style="margin-top:0; margin-bottom:0">Staff Scientist, Jefferson Lab</p>
<p style="margin-top:0; margin-bottom:0"><u></u><u></u><a href="http://userweb.jlab.org/~rom" class="x_x_x_x_x_OWAAutoLink">http://userweb.jlab.org/~rom</a><br>
</p>
</div>
</div>
</div>
</div>
</div>
</div>
</div>
</div>
</div>
</body>
</html>