[Dsg-hallb_magnets] Cryocon status

[Renuka Rajput-Ghoshal]

Thanks for the update Tyler.
Scot will not be able to come to the Hall B today, as he has some other higher priority work.

I am sure Nick can help you as much as Scot could. Please let me know if this is fine with you. Also, please send an update after you have implemented all the steps mentioned in your email.

Thanks
Renuka


----- Original Message -----
From: "Tyler Lemon" <tlemon at jlab.org>
To: "dsg-hallb magnets" <dsg-hallb_magnets at jlab.org>
Sent: Monday, November 28, 2016 5:15:37 PM
Subject: [Dsg-hallb_magnets] Cryocon status

Hello Renuka, 

Nick, Scot, Mindy Leffel, and I will be meeting in Hall B tomorrow morning to go over the reference grounding for the Cryo-con sensors. Mindy is a DSG member and she will be able to help me with any grounding or wiring if the same "clip" issue happens in the future. 

Today, I got the Cryo-con unit from the Radcon Survey table. We have used Christiana's adapter from the LV Excitation Chassis testing for a resistance load to ensure that the Cryo-con is reading the correct resistance for each channel. All channels A through H read the correct resistances when the test adapter is plugged in. Tomorrow, we will see if the resistance is correctly converted to temperature by loading a configuration curve for one of the Cernox sensors that are used. These steps were recommended by Guy in his reply email that you had forwarded last week. 

I have only been able to replicate the "clip" message if there is nothing plugged into the ports on the back of the Cryo-con unit or if the adapter is not properly plugged in. 

Best regards, 
Tyler 


From: "Renuka Rajput-Ghoshal" <renuka at jlab.org> 
To: "Tyler Lemon" <tlemon at jlab.org> 
Cc: "Christiana Wilson" <grenoble at jlab.org>, "Nicholas Sandoval" <sandoval at jlab.org> 
Sent: Monday, November 28, 2016 4:31:04 PM 
Subject: Cryocon status 

Hello Tyler, 
How is your work on Cryocon controller going on? 
I saw your email in the morning and Nick's reply to that. 

Could you please send me status update for this work tomorrow morning. 

Thanks 
Renuka 


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