![]() Increase aggressiveness of this action until a point is reached where any more causes excessive overshoot or oscillation.ħ. gain less than 1, integral time much longer than the time constant of the process) and check the loop’s response to setpoint and/or load changes in automatic mode.Ħ. Set the dominant action to some safe value (e.g. Start tuning with all terms of the controller set for minimal response (minimal P, minimal I, no D).ĥ. Note: Aggressiveness mentioned in the table is limited by process tendency for oscillation.Ĥ. Consult the following chart for PV curve resulted from open-loop test:
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