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Hi Pablo,</div>
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I found the problem with the wiring of the CCR temps.</div>
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It is a slight mess - Vendor AET wired the two PT-102 sensors as a four wire and wires the diodes as a two wire at the connector internal to the CCR.</div>
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We can get together on Tuesday ( i am available all day) and work out how to re-terminate the wiring on the PLC side for the two cables.</div>
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Thank you for your checking of the wiring on the PLC side.<br>
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Steven<br>
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<div id="divRplyFwdMsg" dir="ltr"><font face="Calibri, sans-serif" style="font-size:11pt" color="#000000"><b>From:</b> Dsg-halla_magnets <dsg-halla_magnets-bounces@jlab.org> on behalf of Pablo Campero Rojas <campero@jlab.org><br>
<b>Sent:</b> Monday, July 18, 2022 10:08 AM<br>
<b>To:</b> dsg-halla_magnets@jlab.org <dsg-halla_magnets@jlab.org><br>
<b>Subject:</b> Re: [Dsg-halla_magnets] CLEO</font>
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Hello Steven,<br>
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Last week I checked the diode sensors<span style="font-size:12pt"> wiring from the connector at the CCR to the PLC ADC module and I did not find anything wrong.</span><span style="font-size:12pt"></span>
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I started looking to diode temperature sensor (named TD_He_Mag_Sup) and I noticed a high voltage read-back (measured ~ 6.3 V), which is out of the set/expected voltage range. Based on the Curve-10 for the diodes, the expected voltage at ambient temperature
is ~ 0.53 V. <br>
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I disconnected the Inst-A connector at the CCR side and I plugged a dummy resistor of 1 KOhms in the connector and measured the voltage in the control rack terminal blocks (measured ~0.01 V). I made sure the excitation current was correct (measured the expected
10uA coming out from the CCS board). <span style="font-family:Calibri,Arial,Helvetica,sans-serif; font-size:12pt; color:rgb(0,0,0)">
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Did you test the diode resistance at ambient temperature before?</div>
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Please confirm if the attached specs sheet corresponds to the diode sensors installed inside the CCR?</div>
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Today I'm working remotely on the FTView data logging model and making some changes to the Radial & Axial support expert screen.</div>
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I will at the lab tomorrow if you're available we can meet and go over these topics.<br>
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--Pablo <br>
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<div id="x_divRplyFwdMsg" dir="ltr"><font face="Calibri, sans-serif" color="#000000" style="font-size:11pt"><b>From:</b> Steven Lassiter <lassiter@jlab.org><br>
<b>Sent:</b> Monday, July 18, 2022 9:09 AM<br>
<b>To:</b> Pablo Campero Rojas <campero@jlab.org><br>
<b>Subject:</b> CLEO</font>
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Hello Pablo,</div>
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Will you be working on CLEO signals any today? <br>
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Also, would like to help on setting up and running the CLEO HMI on other computers. Seems I do not have access to some files.</div>
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Thanks</div>
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Steven<br>
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