Industrial Process Automation-Control Systems Engineering

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