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<p class="MsoNormal"><span style="font-size:12.0pt;mso-contextual-alternates:yes">Job well done Marc!<o:p></o:p></span></p>
<p class="MsoNormal"><span style="font-size:12.0pt;mso-contextual-alternates:yes"><o:p> </o:p></span></p>
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<p class="MsoNormal"><span style="font-size:11.0pt;color:black">-------------------------------------------<o:p></o:p></span></p>
<p class="MsoNormal"><span style="font-size:11.0pt;color:black"># Patrizia Rossi<br>
# Jefferson Lab <br>
# 12000 Jefferson Avenue<br>
# Suite 5<br>
# Newport News VA 23606 (USA)<br>
# e-mail: </span><span style="font-size:11.0pt"><a href="mailto:rossi@jlab.org"><span style="color:#0563C1">rossi@jlab.org</span></a><span style="color:black"><br>
# phone: +1 (757) 269 7740<br>
# fax: + 1 (757) 269 5800</span><o:p></o:p></span></p>
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<p class="MsoNormal"><span style="font-size:12.0pt;mso-contextual-alternates:yes"><o:p> </o:p></span></p>
<p class="MsoNormal"><span style="font-size:12.0pt;mso-contextual-alternates:yes"><o:p> </o:p></span></p>
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<p class="MsoNormal" style="margin-bottom:12.0pt"><b><span style="font-size:12.0pt;color:black">From:
</span></b><span style="font-size:12.0pt;color:black">Dsg-halla_ecal <dsg-halla_ecal-bounces@jlab.org> on behalf of Marc Mcmullen via Dsg-halla_ecal <dsg-halla_ecal@jlab.org><br>
<b>Date: </b>Saturday, September 9, 2023 at 12:15 AM<br>
<b>To: </b>dsg-halla_ecal@jlab.org <dsg-halla_ecal@jlab.org><br>
<b>Subject: </b>[Dsg-halla_ecal] Controls installation in Hall A<o:p></o:p></span></p>
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<p class="MsoNormal"><span style="font-size:11.0pt">Hi Mark, Bogdan, and Don,<o:p></o:p></span></p>
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<p class="MsoNormal"><span style="font-size:11.0pt"><o:p> </o:p></span></p>
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<p class="MsoNormal"><span style="font-size:11.0pt">The ECAL heater controls equipment for the six-supermodule teststand has been moved to Hall A. <o:p></o:p></span></p>
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<p class="MsoNormal"><span style="font-size:11.0pt"><o:p> </o:p></span></p>
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<p class="MsoNormal"><span style="font-size:11.0pt">A network cable has been connected to the cRIO and I have verified that I can remotely ping it. I still need to connect remotely from the DSG hall A computer to make sure I can monitor and control the system
remotely. Meanwhile, I have connected locally in order to continue the installation. <o:p></o:p></span></p>
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<p class="MsoNormal"><span style="font-size:11.0pt"><o:p> </o:p></span></p>
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<p class="MsoNormal"><span style="font-size:11.0pt">I have verified that the controls software is reading the connected temperature sensors used to control the five power supplies. <o:p></o:p></span></p>
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<p class="MsoNormal"><span style="font-size:11.0pt"><o:p> </o:p></span></p>
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<p class="MsoNormal"><span style="font-size:11.0pt">In addition to installing the equipment, I have installed a local power kill button which is part of the safety controls. When pressed it will remove coil power from the relays in the relay box, which will
open the contacts which supply power to all heaters. The power kill button is in series with the Omega process controller. The power kill button will lock in the safe position when pressed and has to be rotated to return to the unpressed position. <o:p></o:p></span></p>
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<p class="MsoNormal"><span style="font-size:11.0pt"><o:p> </o:p></span></p>
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<p class="MsoNormal"><span style="font-size:11.0pt">Monday I will continue the installation. The following tasks still need to be completed. <o:p></o:p></span></p>
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<p class="MsoNormal"><span style="font-size:11.0pt"><o:p> </o:p></span></p>
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<span style="font-size:11.0pt"> Connect the control voltage cable from the cRIO to the power supply disconnect box and test<o:p></o:p></span></li><li class="MsoNormal" style="mso-margin-top-alt:auto;mso-margin-bottom-alt:auto;mso-list:l0 level1 lfo1">
<span style="font-size:11.0pt">Test the safety controls<o:p></o:p></span></li><li class="MsoNormal" style="mso-margin-top-alt:auto;mso-margin-bottom-alt:auto;mso-list:l0 level1 lfo1">
<span style="font-size:11.0pt">Perform a low temperature system test<o:p></o:p></span></li><li class="MsoNormal" style="mso-margin-top-alt:auto;mso-margin-bottom-alt:auto;mso-list:l0 level1 lfo1">
<span style="font-size:11.0pt">Lower system into the radiation bunker <o:p></o:p></span></li></ol>
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<p class="MsoNormal"><span style="font-size:11.0pt">After the system has been fully tested I will set a meeting to go over the test setup. <o:p></o:p></span></p>
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<p class="MsoNormal"><span style="font-size:11.0pt"><o:p> </o:p></span></p>
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<p class="MsoNormal"><span style="font-size:11.0pt">Marc <o:p></o:p></span></p>
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<p class="MsoNormal"><span style="font-size:11.0pt"><o:p> </o:p></span></p>
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