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Sounds good.</div>
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The computer is not yet set up. When I went to pick it up, it was set up to use regular CUE login creds which of course will not work for a controls computer with multiple users. I clarified that we needed a common user setup so they are in the process of setting
up the halla_ecal user on it. I will let you know when they are done so we can get the tests going.</div>
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-Don</div>
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Donald Jones</div>
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Hall A/C Staff Scientist</div>
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Jefferson Lab</div>
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Newport News, VA</div>
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<div id="divRplyFwdMsg" dir="ltr"><font face="Calibri, sans-serif" style="font-size:11pt" color="#000000"><b>From:</b> Marc Mcmullen <mcmullen@jlab.org><br>
<b>Sent:</b> Monday, October 16, 2023 12:32 PM<br>
<b>To:</b> dsg-halla_ecal@jlab.org <dsg-halla_ecal@jlab.org>; Donald Jones <jonesdc@jlab.org><br>
<b>Subject:</b> Re: thermocouple</font>
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Hi Don,</div>
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I'll look over your document and discuss it with the group. We will determine an appropriate channel count and let you know what will be needed to monitor that.</div>
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The original controls temperature monitoring numbers and control (~50 channels) is covered by the initial procurement of the controls system.</div>
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Have you set up your controls and monitoring laptop in the counting house yet and put it on the Hall subnet? If so send me the PC name so I can upload your controls and monitoring GUI.</div>
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Marc<br>
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<div id="x_divRplyFwdMsg" dir="ltr"><font face="Calibri, sans-serif" color="#000000" style="font-size:11pt"><b>From:</b> Dsg-halla_ecal <dsg-halla_ecal-bounces@jlab.org> on behalf of Donald Jones via Dsg-halla_ecal <dsg-halla_ecal@jlab.org><br>
<b>Sent:</b> Monday, October 16, 2023 11:24 AM<br>
<b>To:</b> dsg-halla_ecal@jlab.org <dsg-halla_ecal@jlab.org><br>
<b>Subject:</b> [Dsg-halla_ecal] thermocouple</font>
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Hi Marc,</div>
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I have built a spreadsheet with a map of all the control and monitoring thermocouples I plan to install in ECal. The spreadsheet has 3 sheets: </div>
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<li style="list-style-type:"1. "">the front aluminum plate that you will use for temperature control. I will install two thermocouples in each zone for redundancy (total 96), but you only have to readout or connect to one in each zone if you want. If you prefer
to average two, we will just need more channels.</li><li style="list-style-type:"2. "">the crystal temperatures will be monitored at front and back. I will install 49 thermocouples on the front of the crystals and 49 on the back. Some of these are for redundancy, so we can substantially reduce the actual number
being read out. </li><li style="list-style-type:"3. "">the light guide temperatures to ensure the PMTs don't overheat. I would like to read out all 39 of these.</li></ol>
<div>Let's discuss how many channels of readout is reasonable and work to reduce the connections to that number. The remaining thermocouple will be available to be swapped in in the event of failures. </div>
<div>-Don</div>
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CrystalMonitoring Thermocouple position #,Thermocouple x,y position,Front TC Label,Rear TC Label 1,(3, 2),F(3, 2),R(3, 2) 2,(3, 10),F(3, 10),R(3, 10) 3,(6, 4),F(6, 4),R(6, 4) 4,(6,13),F(6,13),R(6,13) 5,(9, 4),F(9, 4),R(9, 4) 6,(9, 16),F(9, 16),R(9, 16) 7,(12,
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Donald Jones</div>
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Hall A/C Staff Scientist</div>
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Jefferson Lab</div>
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