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</style><article id="node-1383461" 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/4310411" rel="bookmark">Follow-up Re: Follow-up Re: TR8122A Flakey Readout</a>
</h1>
</header><div class="contextual-links-wrapper"><ul class="contextual-links"><li><a href="https://logbooks.jlab.org/entry/4310411/edit?destination=email/send">Edit</a></li><li><a href="https://logbooks.jlab.org/entry/4310411/delete?destination=email/send">Delete</a></li></ul></div>
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<p class="author-datetime">
Lognumber <a href="https://logbooks.jlab.org/entry/4310411" class="lognumber" data-lognumber="4310411">4310411</a>. Submitted by <a href="https://logbooks.jlab.org/user/beng">beng</a> on <time datetime="2024-06-10T16:14:52-0400" pubdate="pubdate"><a href="https://logbooks.jlab.org/entries?start_date=1718046892&end_date=1718054092&book=DSGLOG&book=HBTORUS">Mon, 06/10/2024 - 16:14</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/hbtorus">HBTORUS</a></td></tr><tr><th>Entry Makers: </th><td>ambrown</td></tr><tr><th>References: </th><td><a href="https://logbooks.jlab.org/entry/4308937">4308937 - Follow-up Re: TR8122A Flakey Readout</a></td></tr></table></div>
<div class="logentry node-content">
<p>Tried stopping and starting the VI running on the cRIO to recover the readout. Wasn't expecting this to work (and it didn't) but this can be done remotely so it was tried first.</p>
<p>Next Aaron power cycled LV chassis #1 via the switch on the back of the chassis. This brought back TR8122A, but all the relief valve temperatures were bad (~30K instead of ~300K).</p>
<p>The VI was stopped/started again (this is the functionally the same as power cycling the cRIO itself) which recovered all the channels.</p>
<p>In the future to recover bad sensor readouts both the LV chassis and the cRIO should be restarted in that order: LV chassis first then cRIO last.</p>
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<div class="image-wrapper"><img view_mode="elog_email" class="image-style-plentybig" src="https://logbooks.jlab.org/files/styles/plentybig/public/2024/06/4310411/Screenshot 2024-06-10 160417.png" width="960" height="518" alt="" title="myaPlot of TR8122A showing bad readout (spike off scale is reset)" /></div> <div class="image-wrapper"><img view_mode="elog_email" class="image-style-plentybig" src="https://logbooks.jlab.org/files/styles/plentybig/public/2024/06/4310411/Screenshot 2024-06-10 160456.png" width="960" height="520" alt="" title="livePlot of TR8122A showing correct temperature readout" /></div> </div>
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