[Dsg-hallb_magnets] Solenoid PV names

[Nicholas Sandoval]

Hi All,

It seems that there is confusion regarding the list that Pablo has sent out.  This information is internal to the PLC and only needed when a controls operator will change a PV (IE. type in a new variable for a control on EPICs).  

It allows lookup tables to work correctly when applying a process variable from one PLC to a control(valve, heater, etc) on another.  While a large majority of the PV's are real devices (pressure transducers, temperatures, etc) several are generated within the PLC based off of multiple devices and/or algorithms.  

The reason the initial names did not work was because the infrastructure was built using the same algorithms in the Torus and DBX, which only allowed the name to have 16 characters.  As the DBX and Torus were already fully functioning and commissioned I asked Pablo to work with Dave to lower the character count so that he can use the existing logic.

This is also why we must have different names for the solenoid PV's.  We are currently working on the operations manual which will describe this process in more detail, it should be available before the start of the fall run.  

Best Regards,

Nick



From: "Pablo Campero" <campero at jlab.org> 
To: "dsg-hallb magnets" <dsg-hallb_magnets at jlab.org> 
Sent: Tuesday, January 17, 2017 1:31:08 PM 
Subject: [Dsg-hallb_magnets] Solenoid PV names 

Hello Dave, 

I generated a table (see attached) with the proposed PV names, for all of those who exceed the 16 characters. 
Please check and let me know if you want to change these or use a different names, and also if you requires any other PV signal in that list, so that I can add. 


Best Regards 
Pablo Campero 


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