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</style><article id="node-1264199" class="node node-logentry contextual-links-region article ia-n clearfix" role="article"><header class="node-header"><h1 class="node-title">
<a href="https://logbooks.jlab.org/entry/4191154" rel="bookmark">ECAL Six-supermodule test stand controls and monitoring</a>
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</header><div class="contextual-links-wrapper"><ul class="contextual-links"><li><a href="https://logbooks.jlab.org/entry/4191154/edit?destination=email/send">Edit</a></li><li><a href="https://logbooks.jlab.org/entry/4191154/delete?destination=email/send">Delete</a></li></ul></div>
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Lognumber <a href="https://logbooks.jlab.org/entry/4191154" class="lognumber" data-lognumber="4191154">4191154</a>. Submitted by <a href="https://logbooks.jlab.org/user/mcmullen">mcmullen</a> on <time datetime="2023-10-02T15:16:14-0400" pubdate="pubdate"><a href="https://logbooks.jlab.org/entries?start_date=1696270574&end_date=1696277774&book=DSGLOG&book=HALOG">Mon, 10/02/2023 - 15:16</a></time>. </p>
<table class="field-vitals"><tr><th>Logbooks: </th><td><a href="https://logbooks.jlab.org/book/dsglog">DSGLOG</a> <a href="https://logbooks.jlab.org/book/halog">HALOG</a></td></tr><tr><th>Entry Makers: </th><td>mcmullen</td></tr></table></div>
<div class="logentry node-content">
<p>Completed debug of the ECAL six-supermodule test stand monitoring thermocouples. All 16 thermocouples readback.</p>
<p>Installed a watchdog relay which monitors the controls software heartbeat and will remove power to the heaters if the controls heartbeat is not present for 30 seconds. The interlock is cleared when the software heartbeat returns. </p>
<p>This relay is independent of the cRIO controller and the Omega process controller (over-temp monitoring).</p>
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