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Hi Steven,</div>
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We'll look into these hopefully later today, if not then tomorrow morning.</div>
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<div id="divRplyFwdMsg" dir="ltr"><font face="Calibri, sans-serif" color="#000000" style="font-size:11pt"><b>From:</b> Dsg-halla_magnets <dsg-halla_magnets-bounces@jlab.org> on behalf of Steven Lassiter <lassiter@jlab.org><br>
<b>Sent:</b> Tuesday, August 2, 2022 9:01 AM<br>
<b>To:</b> dsg-halla_magnets@jlab.org <dsg-halla_magnets@jlab.org><br>
<b>Subject:</b> [Dsg-halla_magnets] CLEO Controls wiring</font>
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Hello,</div>
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The following CLEO control rack wiring needs to be addressed.</div>
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1. HX PT thermometers. Cable 507-01 and 507-02 have crossed wires at the terminal strip HX-TS-01 in relationship to drawing A00000-16-03-0212 sht 2/2.</div>
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I can not tell which probe was the He gas vs the LN2 temperature probe. I made a guess on the calibration data for now, but the wiring needs to be addressed or the drawing updated.</div>
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2. Liquid level signals - are they mA or V signals? Drawing A00000-16-03-0220 shows pin 4 and 8 being used to feed directly into the I/O card #8.
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a. the cables 220-01 and 220-02 are wired just for pins 4 and 8. Pin 8 is not the ground for 4-20mA Pins 8 and 9 are the pins for the Loop power for using 4-20mA signals and pin 5 is the signal ground. Pin 3 (+) is the 0-10V signal option.</div>
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b. The A-B 1756-IF16 module is shown on drawing A00000-16-03-0308 as being configured just for single ended voltage, not current.</div>
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c. Choose a signal type - voltage or mA. <br>
i. if Voltage is chosen, then rewire the cable connector for 220-01 and 220-02 using pins 3 (+) and 5 (gnd) and add a Dataforth signal conditioners (10V in = 10V out) to the rack, along with cables.</div>
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ii. if mA is chosen, then rewire 220-01 and 220-02 using pins 4 and 5 and adding pins 8 and 9 to have power to energize the mA circuit. Then re-configure the 1756-IF16 module to accept mA signals for the Liquid level channels.
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<span> d. update drawings to match the option chosen.</span></div>
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<span>I will look into the problems with the radial strain gauges J, N an F later today, hopefully.<br>
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<span>Thanks</span></div>
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<span>Steven<br>
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