Pid tuning calculator

1. How to calculate PID tuning parameters?
2. How do I manually PID tune?
3. How to tune a PID loop for dummies?

How to calculate PID tuning parameters?

The error (or PV) is multiplied with the proportional gain and added to the controller output. The P-action gives the output a 'kick' in the right direction. If the error value is zero, then the P action is zero. This implies that a controller with only P action needs a non-zero error to have a non-zero output.

How do I manually PID tune?

Manual PID tuning is done by setting the reset time to its maximum value and the rate to zero and increasing the gain until the loop oscillates at a constant amplitude. (When the response to an error correction occurs quickly a larger gain can be used. If response is slow a relatively small gain is desirable).

How to tune a PID loop for dummies?

The art of tuning a PID loop is to have it adjust its output (OP) to move the process variable (PV) as quickly as possible to the set point (responsive), minimize overshoot, and then hold the variable steady at the set point without excessive OP changes (stable).