FEBRUARY 2011 – PID TUNING FOR ALLEN-BRADLEY PLCS

A best-practices approach to understanding and tuning PID controllers.

In the Forward to his “PID Tuning Guide,” Control Station’s Dr. Robert Rice notes that the proportional-integral-derivative (PID) controller is here to stay. Although it remains the most widely used technology for maintaining control over business-critical production processes, the PID controller’s nuances continue to mystify practitioners.