<html>
<head>
<meta http-equiv="Content-Type" content="text/html; charset=us-ascii">
<style type="text/css" style="display:none;"><!-- P {margin-top:0;margin-bottom:0;} --></style>
</head>
<body dir="ltr">
<div id="divtagdefaultwrapper" style="font-size:12pt;color:#000000;font-family:Calibri,Helvetica,sans-serif;" dir="ltr">
<p style="margin-top:0;margin-bottom:0">>><span>There are some PVs listed as current lead flows, what do the Lx, Rx, N, and P mean in the PVs? </span></p>
<p style="margin-top:0;margin-bottom:0">"L"eft. "R"ight, "P"ositive, "N"egitive</p>
<p style="margin-top:0;margin-bottom:0"><br>
</p>
<p style="margin-top:0;margin-bottom:0">>><span>What are the units for the current lead flow?</span></p>
<p style="margin-top:0;margin-bottom:0">HMS <br>
</p>
<p style="margin-top:0;margin-bottom:0">Dipole L/hour</p>
<p style="margin-top:0;margin-bottom:0">Quads L/min</p>
<p style="margin-top:0;margin-bottom:0">SHMS</p>
<p style="margin-top:0;margin-bottom:0">L/min</p>
<p style="margin-top:0;margin-bottom:0"><br>
</p>
<p style="margin-top:0;margin-bottom:0">>><span>What are the units of valve position?</span></p>
<p style="margin-top:0;margin-bottom:0">Percent, -6 to 100%</p>
<p style="margin-top:0;margin-bottom:0"><br>
</p>
<p style="margin-top:0;margin-bottom:0">>>What are the PVs below monitoring?<br>
</p>
<div><span>echmst1......</span></div>
<p></p>
<p style="margin-top:0;margin-bottom:0"><br>
</p>
<p style="margin-top:0;margin-bottom:0">HMS transfer line temperatures, K</p>
<p style="margin-top:0;margin-bottom:0"><br>
</p>
<p style="margin-top:0;margin-bottom:0">>><span>What are the units for vacuum PVs?</span></p>
<p style="margin-top:0;margin-bottom:0">Torr</p>
<p style="margin-top:0;margin-bottom:0"><br>
</p>
<p style="margin-top:0;margin-bottom:0">>><span>What are the units for flow PVs?</span></p>
<p style="margin-top:0;margin-bottom:0">The flow values come from Cryo.<br>
</p>
<p style="margin-top:0;margin-bottom:0">grams/sec.<br>
</p>
<p style="margin-top:0;margin-bottom:0"><br>
</p>
</div>
<hr style="display:inline-block;width:98%" tabindex="-1">
<div id="divRplyFwdMsg" dir="ltr"><font face="Calibri, sans-serif" style="font-size:11pt" color="#000000"><b>From:</b> Dsg-hallc_epics <dsg-hallc_epics-bounces@jlab.org> on behalf of Tyler Lemon <tlemon@jlab.org><br>
<b>Sent:</b> Monday, December 10, 2018 11:29:02 AM<br>
<b>To:</b> dsg-hallc epics<br>
<b>Subject:</b> [Dsg-hallc_epics] Question on Hall C EPICS PV names and units</font>
<div> </div>
</div>
<style type="text/css" style="display:none">
<!--
p
{margin-top:0;
margin-bottom:0}
-->
</style>
<div dir="ltr">
<div id="x_divtagdefaultwrapper" dir="ltr" style="font-size:12pt; color:#000000; font-family:Calibri,Helvetica,sans-serif">
<p style="margin-top:0; margin-bottom:0">Hello,</p>
<p style="margin-top:0; margin-bottom:0"><br>
</p>
<p style="margin-top:0; margin-bottom:0">Looking at the PV list sent to us last Friday, I have some questions:</p>
<p style="margin-top:0; margin-bottom:0"><br>
</p>
<p style="margin-top:0; margin-bottom:0"><span>There are some PVs listed as current lead flows, what do the Lx, Rx, N, and P mean in the PVs? Some of the PVs with these letters are below.<br>
</span></p>
<p style="margin-top:0; margin-bottom:0"><span>ecDI_M_flow_Lx</span></p>
<p style="margin-top:0; margin-bottom:0"><span>ecDI_M_flow_Rx</span></p>
<p style="margin-top:0; margin-bottom:0"><span>ecQ1_m_flow_CL_N</span></p>
<p style="margin-top:0; margin-bottom:0"><span>ecQ1_m_flow_CL_P</span></p>
<div><br>
</div>
<div>What are the units for the current lead flow?</div>
<div><br>
</div>
<div>What are the units of valve position?</div>
<div><br>
</div>
<div>What are the PVs below monitoring?<br>
</div>
<div><span>echmst1</span></div>
<div><span>echmst2</span></div>
<div><span>echmst3</span></div>
<div><span>echmst4</span></div>
<div><span>echmst5</span></div>
<div><span>echmst6</span></div>
<div><span>echmst7</span></div>
<div><span>echmst8 </span><br>
</div>
<div><br>
</div>
<div>What are the units for vacuum PVs?</div>
<div><br>
</div>
<div>What are the units for flow PVs?<br>
</div>
<div><br>
</div>
<div>Best regards,</div>
<div>Tyler<br>
</div>
</div>
</div>
</body>
</html>