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</style><article id="node-1124027" 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/4050992" rel="bookmark">RC Update</a>
</h1>
</header><div class="contextual-links-wrapper"><ul class="contextual-links"><li><a href="https://logbooks.jlab.org/entry/4050992/edit?destination=email/send">Edit</a></li><li><a href="https://logbooks.jlab.org/entry/4050992/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/4050992" class="lognumber" data-lognumber="4050992">4050992</a>. Submitted by <a href="https://logbooks.jlab.org/user/bduran">bduran</a> on <time datetime="2022-10-04T10:54:26-0400" pubdate="pubdate"><a href="https://logbooks.jlab.org/entries?start_date=1664891666&end_date=1664898866&book=HCLOG">Tue, 10/04/2022 - 10:54</a></time>. </p>
<p class="last-update">
Last updated on <time datetime="2022-10-04T11:20:34-0400" pubdate="pubdate">Tue, 10/04/2022 - 11:20</time></p>
<table class="field-vitals"><tr><th>Logbooks: </th><td><a href="https://logbooks.jlab.org/book/hclog">HCLOG</a></td></tr><tr><th>Entry Makers: </th><td>bduran</td></tr></table></div>
<div class="logentry node-content">
<p>Starting early Monday morning to midnight, the accelerator was down due to another magnet (MZA8S03) over temp. </p>
<p>We took a controlled access for Joe, Steve L., and Ellen to look into the SHMS Q2 magnet (which didn't fully ramp up to the MOL at 3465 A) and HMS rotation issues (throws a drive controller error around 21 degrees). See HCLOG entries by Ellen and Steve on the SHMS Q2 and HMS rotation <a href="https://logbooks.jlab.org/entry/4050566">https://logbooks.jlab.org/entry/4050566</a>, <a href="https://logbooks.jlab.org/entry/4050570">https://logbooks.jlab.org/entry/4050570</a>. The SHMS Q2 ramps up to the MOL at high momentum setting right now but Ellen noted that a new supply will be used for the replacement later when we get an opportunistic access. </p>
<p>When the beam was restored to the hall C last night, we resumed single arm data taking for the calibration and PID threshold checks which was completed early morning today. When the SHMS was rotated to the 8 degrees this morning for the SHMS hodoscope paddle test this morning, it went below 8 deg (7.98 deg) and hit the limit switch. This angle is good enough for us to perform the hodoscope paddle test so we proceeded with taking data. I talked to Joe Beaufait needs an access to the hall. We're planning to do it in an hour.</p>
<p>SHMS angle camera was dead just before we needed to rotate it to the 8 degrees for the paddle test. Dave G. took an escorted access to power cycle it which fixed the issue <a href="https://logbooks.jlab.org/entry/4050839">https://logbooks.jlab.org/entry/4050839</a>.</p>
<p>SHMS HB had an interlock around 10 am which wouldn't reset. Dave G. reached out to Steve L. who reset it remotely.</p>
<p>We will have an RC meeting at 11 am today. Here is the link:</p>
<p><a href="https://jlab-org.zoomgov.com/j/1607100885?pwd=ZFBsRTFsYm5Zb0laZ0tyZXNjcEE0QT09">https://jlab-org.zoomgov.com/j/1607100885?pwd=ZFBsRTFsYm5Zb0laZ0tyZXNjcE...</a></p>
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