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<a href="https://logbooks.jlab.org/entry/4337900" rel="bookmark">ECal heater test status 5:15AM</a>
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Lognumber <a href="https://logbooks.jlab.org/entry/4337900" class="lognumber" data-lognumber="4337900">4337900</a>. Submitted by <a href="https://logbooks.jlab.org/user/jonesdc">jonesdc</a> on <time datetime="2025-03-11T05:24:19-0400" pubdate="pubdate"><a href="https://logbooks.jlab.org/entries?start_date=1741681459&end_date=1741688659&book=HALOG">Tue, 03/11/2025 - 05:24</a></time>. </p>
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Last updated on <time datetime="2025-03-11T05:27:15-0400" pubdate="pubdate">Tue, 03/11/2025 - 05:27</time> </p>
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<tr><th>Logbooks: </th><td><a href="https://logbooks.jlab.org/book/halog">HALOG</a></td></tr>
<tr><th>Entry Makers: </th><td>jonesdc</td></tr>
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<p>Now 13 supermodule zones have reached their control 290 degC setpoints. With each new zone reaching its setpoint and the control voltage/current load reducing as a result, the output on the remaining power supplies continues to increase providing strong evidence that the CRIO is not able to output sufficient current to maintain the voltage at 10V even to the 36 remaining zones that are plugged into PID control. It seems clear to me that this needs to be solved. We don't want the control voltage to be a limitation on our output.<br />
Crystal temperatures are much slower rising (attachments 3-4). Light guide temperatures are higher than I would have expected (attachments 5,6).</p>
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