[Dsg-hallb_magnets] cernox sensors

[Amrit Yegneswaran]

thanks peter and tyler. 


From: "Peter Bonneau" <bonneau at jlab.org> 
To: "Amrit Yegneswaran" <yeg at jlab.org> 
Sent: Thursday, February 9, 2017 2:16:49 PM 
Subject: cernox sensors 

Hi Amrit, 

I looked at the LV cRio code with Tyler. 

They don't seem to know if the excitation chassis is the problem or the 
conversions, etc in the code. 

The data is sent to cRio as text via serial communications then 
immediately changed to a number for the calculations & lookup table. 

We've seen a lot of errors in serial communications in other 
instrumentation. 

I suggested to Tyler that we latch the received text numbers V1 and V2 
when this error occurs before the conversion to numbers. 

That will tell us if the excitation chassis is not sending or we're not 
receiving the raw data correctly. 

Thanks, 

Peter 
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