<html><head><meta http-equiv="Content-Type" content="text/html; charset=UTF-8"></head><body dir="auto"><div dir="auto">The IOC for BCAL chiller is called RESET PLC IOC or CRATE RESET IOC or something. There is no direct EPICS to chiller communication now. RESET is the name of the PLC in question.</div><div dir="auto">Rebooting this IOC will trip FDC chiller. </div><div dir="auto"><br></div><div dir="auto"><br></div><div dir="auto"><br></div><div id="composer_signature" dir="auto"><div style="font-size:12px;color:#575757" dir="auto">Sent from my Galaxy</div></div><div dir="auto"><br></div><div><br></div><div align="left" dir="auto" style="font-size:100%;color:#000000"><div>-------- Original message --------</div><div>From: Brian Eng via Halld-controls <halld-controls@jlab.org> </div><div>Date: 1/10/23 10:01 AM (GMT-05:00) </div><div>To: Scot Spiegel <spiegel@jlab.org>, halld-controls@jlab.org </div><div>Subject: Re: [Halld-controls] BCAL Chiller Comm. -PLC control troubleshoot </div><div><br></div></div>
<div class="elementToProof"><span style="font-family: Calibri, Arial, Helvetica, sans-serif; font-size: 12pt; color: rgb(0, 0, 0); background-color: rgb(255, 255, 255);">Hovanes,</span></div>
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I'm assuming that EPICS is trying to communicate with a PLC, do you know the hostname/IP for this?</div>
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I tried connecting to the US/DS BCAL PLCs but don't see any actual communications with a chiller, only an interlock signal.</div>
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<div dir="ltr" id="divRplyFwdMsg"><font color="#000000" style="font-size:11pt" face="Calibri, sans-serif"><b>From:</b> Scot Spiegel <spiegel@jlab.org><br>
<b>Sent:</b> Tuesday, January 10, 2023 9:00 AM<br>
<b>To:</b> Brian Eng <beng@jlab.org>; halld-controls@jlab.org <halld-controls@jlab.org><br>
<b>Cc:</b> Timothy Whitlatch <whitey@jlab.org>; Bobby Bunton <bunton@jlab.org><br>
<b>Subject:</b> Re: BCAL Chiller Comm. -PLC control troubleshoot</font>
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<div dir="ltr">Ok, just let me know. Thanks, Scot<br>
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<div dir="ltr" id="x_divRplyFwdMsg"><font style="font-size:11pt" color="#000000" face="Calibri, sans-serif"><b>From:</b> Brian Eng <beng@jlab.org><br>
<b>Sent:</b> Tuesday, January 10, 2023 8:58:36 AM<br>
<b>To:</b> Scot Spiegel <spiegel@jlab.org>; halld-controls@jlab.org <halld-controls@jlab.org><br>
<b>Cc:</b> Timothy Whitlatch <whitey@jlab.org>; Bobby Bunton <bunton@jlab.org><br>
<b>Subject:</b> Re: BCAL Chiller Comm. -PLC control troubleshoot</font>
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<div class="x_x_elementToProof"><span style="font-family:Calibri,Arial,Helvetica,sans-serif; font-size:12pt; color:rgb(0,0,0); background-color:rgb(255,255,255)">Just got my JLab account unlocked.</span></div>
<div class="x_x_elementToProof"><span style="font-family:Calibri,Arial,Helvetica,sans-serif; font-size:12pt; color:rgb(0,0,0); background-color:rgb(255,255,255)"><br>
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<div class="x_x_elementToProof"><span style="font-family:Calibri,Arial,Helvetica,sans-serif; font-size:12pt; color:rgb(0,0,0); background-color:rgb(255,255,255)">Let me see if I can connect with the computer on Hall D that has PLC software installed, I don't
think I've tested it with the BCAL stuff.</span></div>
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<div dir="ltr" id="x_x_divRplyFwdMsg"><font style="font-size:11pt" color="#000000" face="Calibri, sans-serif"><b>From:</b> Scot Spiegel <spiegel@jlab.org><br>
<b>Sent:</b> Tuesday, January 10, 2023 8:28 AM<br>
<b>To:</b> halld-controls@jlab.org <halld-controls@jlab.org>; Brian Eng <beng@jlab.org><br>
<b>Cc:</b> Timothy Whitlatch <whitey@jlab.org>; Bobby Bunton <bunton@jlab.org><br>
<b>Subject:</b> BCAL Chiller Comm. -PLC control troubleshoot</font>
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<div class="x_x_x_elementToProof"><span style="font-family:Arial,Helvetica,sans-serif; font-size:12pt; color:rgb(0,0,0); background-color:rgb(255,255,255)" data-spmtop="" data-propermenubar="true">Brian,</span></div>
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<div class="x_x_x_elementToProof"><span style="font-family:Arial,Helvetica,sans-serif; font-size:12pt; color:rgb(0,0,0); background-color:rgb(255,255,255)" data-spmtop="" data-propermenubar="true">I'm requesting some support in Hall D to TS the remote controls
of the BCAL chiller #3 temperature controller.</span></div>
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<div class="x_x_x_elementToProof"><span style="font-family:Arial,Helvetica,sans-serif; font-size:12pt; color:rgb(0,0,0); background-color:rgb(255,255,255)" data-spmtop="" data-propermenubar="true">Currently our Logix 5000 Laptop is in IT being updated. Would
you be available to help Bobby Bunton with this? </span></div>
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Thanks,</div>
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<span style="font-family:"Arial Black",Arial,sans-serif; font-size:11pt"><i style=""><b>Scot Spiegel</b></i></span></p>
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<b><span style="color:rgb(0,0,0); font-family:"Arial Black",Arial,sans-serif; font-size:11pt">Hall D Work Coordinator</span><span style="color:rgb(0,0,0); font-family:Arial,Helvetica,sans-serif; font-size:11pt"> </span></b></p>
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