[Dsg-hallb_magnets] Hall B Solenoid - temperature sensors

[Ruben Fair]

Hi Pablo, 

Scot has disconnected all the cables temporarily. 

We should re-connect them within the next 15 mins. 

Also, there is a broken wire on Feed thru 8604 which Scot is trying to fix. 

Ruben 



From: "Pablo Campero Rojas" <campero at jlab.org> 
To: "Ruben Fair" <rfair at jlab.org> 
Cc: "dsg-hallb magnets" <dsg-hallb_magnets at jlab.org> 
Sent: Monday, July 17, 2017 5:23:02 PM 
Subject: Re: Hall B Solenoid - temperature sensors 

Hello Ruben, 

I checked the sensors that is reading back 0.0 K 

TR8671 
TR8673 
TR8611 
TR8672 
TR8674 
TR8610 

The mentioned sensors are read by the Cryocon Units, so I have to go and check the cryocon units readouts and also make sure that the mentioned temperature sensors are physically connected in the Solenoid Service Tower. 
PLC is reading 0.0 K values because the Cryocon Unit is reading a real zero (which we know is not possible at this moment) or it has a ''clip'' readback on its channels where the temperature sensors is connected (Most probably for now). 


Best Regards, 
Pablo 



From: "Ruben Fair" <rfair at jlab.org> 
To: "Pablo Campero Rojas" <campero at jlab.org>, "Probir Ghoshal" <ghoshal at jlab.org> 
Cc: "Scot Spiegel" <spiegel at jlab.org> 
Sent: Monday, July 17, 2017 4:35:26 PM 
Subject: Hall B Solenoid - temperature sensors 

Pablo, Probir, 

All the temperature sensors are now installed and the connectors are still plugged in. 

Please review all the sensors on EPICS and see if they are all reading what you expect. 

If not, please work with each other to assign correct calibration curves. 

I shall disconnect the cables first thing tomorrow morning at 7am as welding will start shortly after. 

Regards 

Ruben 

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