[Dsg-rich] moisture transducer wiring in RICH cRIO chassis and LabVIEW changes

[Tyler Lemon]

Hi Valery, 

We're going to start the changes to the hardware interlock system shortly. 

I will turn off HV and LV soon. 

Logbook entries will be made and follow-up emails will be sent noting the changes to the system. 

Best regards, 
Tyler 



From: "Valery Kubarovsky" <vpk at jlab.org> 
To: "Tyler Lemon" <tlemon at jlab.org> 
Cc: "dsg-rich" <dsg-rich at jlab.org>, "Marco Contalbrigo" <mcontalb at fe.infn.it>, "Mirazita Marco" <marco.mirazita at lnf.infn.it> 
Sent: Monday, July 30, 2018 3:06:40 PM 
Subject: Re: [Dsg-rich] moisture transducer wiring in RICH cRIO chassis and LabVIEW changes 

Hi Tyler, 
You can turn OFF HV and LV using slow control GUI just in case. 
Valery 





From: "Tyler Lemon" <tlemon at jlab.org> 
To: "Valery Kubarovsky" <vpk at jlab.org> 
Cc: "dsg-rich" <dsg-rich at jlab.org>, "Contalbrigo Marco" <mcontalb at fe.infn.it>, "Marco Mirazita" <marco.mirazita at lnf.infn.it> 
Sent: Monday, July 30, 2018 2:32:04 PM 
Subject: Re: [Dsg-rich] moisture transducer wiring in RICH cRIO chassis and LabVIEW changes 




BQ_BEGIN

Hi Valery, 

Thank you for your reply. 

We'll plan to update the LabVIEW and, if needed, power off the cRIO chassis tomorrow morning. 

Should HV/LV be turned off before starting the hardware interlock changes? 

Beset regards, 
Tyler 


From: "Valery Kubarovsky" <vpk at jlab.org> 
To: "Tyler Lemon" <tlemon at jlab.org> 
Cc: "dsg-rich" <dsg-rich at jlab.org>, "Marco Contalbrigo" <mcontalb at fe.infn.it>, "Mirazita Marco" <marco.mirazita at lnf.infn.it> 
Sent: Monday, July 30, 2018 1:59:13 PM 
Subject: Re: [Dsg-rich] moisture transducer wiring in RICH cRIO chassis and LabVIEW changes 

Hello Tyler, 

The HV and LV of the detector are ON. As for my knowledge there are no plans to take some calibration data tomorrow. Just let me know when you will start and finish. 
regards, 
Valery 




BQ_BEGIN
From: "Tyler Lemon" <tlemon at jlab.org> 
To: "dsg-rich" <dsg-rich at jlab.org> 
Sent: Monday, July 30, 2018 11:44:10 AM 
Subject: [Dsg-rich] moisture transducer wiring in RICH cRIO chassis and LabVIEW changes 

BQ_END


BQ_BEGIN

Hello Valery and Marco Contalbrigo, 

This afternoon, we are planning to install the moisture transducer on the RICH N2 exhaust. N2 Flow to RICH will not be interrupted. 

To read the transducer on the cRIO, we may need to power the cRIO chassis down to wire the sensor to the 24 V supply. 

We will also need to modify the hardware interlock LabVIEW program on the cRIO to read out the sensor. 

Are there any presently ongoing RICH tests? We would like to make the necessary software and wiring changes tomorrow. 

Best regards, 
Tyler 

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BQ_END


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