Hello Andrew,
Thank you for the reply. I have been contacting tech support to work on this issue and have the following update:
The issue with the runtime error was caused because the controller was trying to run the loop right as the PID server finished the autotune process. The issue has been corrected by adding an inverted contact to prevent the PID run loop from running while autotune is in progress. I can now autotune the PID loop using PID server. However, I am still unable to run the autotune directly from the controller. When I attempt to do so, the CV remains at it's minimum value. I have verified that no other part of the program is attempting to write to the CV. Any other sugestions?
Corrected Run PID net.pdf