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40m Log |
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Tue Jul 16 16:00:01 2019, gautam, Update, CDS, c1iscaux Supermicro setup
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Wed Jul 17 21:22:41 2019, gautam, Update, CDS, CM board Latch Enable subtlety
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Sun Jul 21 12:55:38 2019, gautam, Update, CDS, CM board Latch Enable test script 
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Fri Aug 9 08:59:04 2019, gautam, Update, CDS, Prep for install of c1iscaux
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Sun Aug 11 11:47:42 2019, gautam, Update, CDS, Bench test of c1iscaux
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Mon Aug 12 17:36:04 2019, gautam, Update, CDS, More bench test of c1iscaux
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Mon Aug 12 21:25:19 2019, Koji, Update, CDS, More bench test of c1iscaux
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Tue Aug 13 08:07:09 2019, gautam, Update, CDS, P1--->P2
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Tue Aug 13 14:36:17 2019, gautam, Update, CDS, P1--->P2
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Fri Aug 16 16:40:04 2019, gautam, Update, CDS, 1Y3 work  
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Sat Aug 17 16:49:23 2019, gautam, Update, CDS, More 1Y3 work   
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Mon Aug 19 14:36:21 2019, gautam, Update, CDS, c1iscaux remaining work
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Tue Aug 20 19:05:24 2019, Koji, Update, CDS, MC1 (and MC3) troubleshoot 
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Thu Aug 22 12:54:06 2019, Koji, Update, CDS, MC1 glitch removed (for now) and IMC locking recovered 7x
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Thu Aug 22 20:56:51 2019, Koji, Update, CDS, MC1 glitch removed (for now) and IMC locking recovered
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Fri Aug 23 18:46:17 2019, Jon, Update, CDS, c1iscaux remaining work
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Sun Aug 25 14:18:08 2019, gautam, Update, CDS, c1iscaux remaining work
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Thu Jul 18 10:46:04 2019, gautam, Update, CDS, Database files made
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Thu Jul 18 19:58:56 2019, gautam, Update, CDS, Work on Acromag chassis  
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Fri Jul 19 19:44:03 2019, gautam, Update, CDS, Database file test
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Message ID: 14843
Entry time: Mon Aug 12 21:25:19 2019
In reply to: 14841
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Author: |
Koji |
Type: |
Update |
Category: |
CDS |
Subject: |
More bench test of c1iscaux |
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1.
> Looking through the manual, I found a recommendation (pg10) that the "IN-" terminal of the Acromag ADC units be tied to the "RTN" pins on the same units. I don't know if this preserves the differential receiving capability of the Acromag ADCs
I suppose, we loose the differential capability of an input if the -IN is connected to whatever defined potential. We should check if the channels are still working as a true differential or not.
2. If the multi bit operation is too complicated to solve, we can use EPICS Calc channels to breakout a value to bits and send the individual bits as same as the other individual binary channels.
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