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40m Log |
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Fri Mar 19 19:15:13 2021, Jon, Update, CDS, c1auxey assembly
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Thu Mar 25 12:11:53 2021, Yehonathan, Update, CDS, c1auxey assembly 
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Thu Mar 25 14:16:33 2021, gautam, Update, CDS, c1auxey assembly
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Tue Mar 30 17:27:04 2021, Yehonathan, Update, CDS, c1auxey assembly
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Wed Aug 25 11:48:48 2021, Yehonathan, Update, CDS, c1auxey assembly
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Mon Sep 13 14:32:25 2021, Yehonathan, Update, CDS, c1auxey assembly
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Wed Sep 15 11:27:50 2021, Yehonathan, Update, CDS, c1auxey assembly 
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Thu Apr 15 17:24:08 2021, Jon, Update, CDS, Updated c1auxey wiring plan
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Mon Apr 19 21:54:55 2021, Yehonathan, Update, CDS, Updated c1auxey wiring plan
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Wed Apr 28 18:56:57 2021, Yehonathan, Jon, Update, CDS, Updated c1auxey wiring plan
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Thu Apr 29 16:35:51 2021, Yehonathan, Update, CDS, Updated c1auxey wiring plan
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Thu Apr 29 19:55:45 2021, Yehonathan, Update, CDS, Updated c1auxey wiring plan
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Fri Apr 30 19:18:51 2021, Yehonathan, Jon, Update, CDS, Updated c1auxey wiring plan
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Mon May 3 20:36:46 2021, Yehonathan, Jon, Update, CDS, Updated c1auxey wiring plan
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Sun May 23 18:28:54 2021, Jon, Update, CDS, Opto-isolator for c1auxey
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Fri May 28 10:54:59 2021, Jon, Update, CDS, Opto-isolator for c1auxey
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Thu Jun 3 17:15:17 2021, Yehonathan, Update, CDS, Opto-isolator for c1auxey 
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Thu Jun 3 22:08:00 2021, Koji, Update, CDS, Opto-isolator for c1auxey
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Fri Jun 4 14:49:23 2021, Yehonathan, Update, CDS, Opto-isolator for c1auxey
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Fri Jun 4 17:46:25 2021, unYehonathan, Update, CDS, Opto-isolator for c1auxey
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Sun Jun 6 16:33:47 2021, Jon, Update, CDS, BI channels on c1auxey
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Mon Jun 7 13:14:20 2021, Yehonathan, Update, CDS, BI channels on c1auxey
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Tue Jun 8 11:54:39 2021, Yehonathan, Update, CDS, BI channels on c1auxey
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Sun Jun 6 03:02:14 2021, Koji, Update, CDS, Opto-isolator for c1auxey
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Sun Jun 6 12:15:16 2021, Jon, Update, CDS, Opto-isolator for c1auxey
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Sun Jun 6 15:59:51 2021, Yehonathan, Update, CDS, Opto-isolator for c1auxey
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Mon Jun 14 15:31:30 2021, Yehonathan, Update, CDS, Opto-isolator for c1auxey
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Tue Jun 15 21:48:55 2021, Koji, Update, CDS, Opto-isolator for c1auxey
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Wed Jun 16 17:24:29 2021, Yehonathan, Update, CDS, Opto-isolator for c1auxey
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Wed Jun 16 20:32:39 2021, Yehonathan, Update, CDS, Opto-isolator for c1auxey
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Fri Jul 9 18:35:32 2021, Yehonathan, Update, CDS, Opto-isolator for c1auxey
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Mon Jul 12 18:06:25 2021, Yehonathan, Update, CDS, Opto-isolator for c1auxey
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Wed Jul 28 12:47:52 2021, Yehonathan, Update, CDS, Opto-isolator for c1auxey  
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Wed Aug 11 12:06:40 2021, Yehonathan, Update, CDS, Opto-isolator for c1auxey
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Message ID: 16114
Entry time: Mon May 3 20:36:46 2021
In reply to: 16107
Reply to this: 16154
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Author: |
Yehonathan, Jon |
Type: |
Update |
Category: |
CDS |
Subject: |
Updated c1auxey wiring plan |
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It seemed like the BIO channels were not working, both the inputs and the outputs. The inputs were working on the windows machine though. That is, when we shorted the BIO channel to the return, or put 0V on it, we could see the LED turn on on the I/O testing screen and when we ramped up the voltage above 3 the LED turned off. This is the expected behavior from a sinking digital input. However, the EPICs caget didn't show any change. All the channels were stuck on Disabled.
We checked the digital outputs by connecting the channels to a fluke. Initially, the fluke showed 13V. We tried to toggle the digital output channels with caput and that didn't work. We checked the outputs with the windows software. For that, we needed to stop the Modbus. To our surprise, the windows software was not able to flip the channels either. We realized that this BIO Acromag unit is probably defective. We replaced it with a different unit and put a warning sticker on the defective unit. Now, the digital outputs were working as expected. When we turned them on the voltage output dropped to 0V. We checked the channels with the EPICs software. We realized that these channels were locked with the closed loop definition. We turned on the channels tied to these output channels (watchdog and toggles) and it worked. The output channels can be flipped with the EPICs software. We checked all the digital output channels and fixed some wiring issues along the way.
The digital input channels were still not working. This is a software issue that we will have to deal with later.
(Yehonathan) Rana noticed that the BNC leads on the chassis front panel didn't have isolation on them so I redid them with shrinking tubes. |