PID Tuning Parameters

Suggested Initial PID Tuning Parameters 

                Service                                   P / Proportional   I / Integral              D / Derivative

                                                                K                              T1                            T2

                                                                                                minutes                  minutes

                Flow                                       0.3                          0.15                        -

                Level   (averaging)                1-2                          10-20                     -

                Level   (tight)                         2                              5-10                        -

                Pressure   (liquid)                  0.3                           0.2                          -

                Pressure   (gas)                      2-4                           5                              -

                Temperature   (heater)           2-5                           5                              0.1

                Temperature   (column)          2                              10                           0.2

It is always recommended  to have an appointed person (and their backups) responsible for tuning and keeping records of tuning parameters