Chapter 12 Description of Parameter Settings
ME300
PD Control:
When deviation occurs, the system immediately generates an operation load that is greater than
the load generated only by the D action to restrain the deviation increment. If the deviation is small,
the effectiveness of the P action decreases as well. The control objects include applications with
integral component loads, which are controlled by the P action only. Sometimes, if the integral
component is functioning, the whole system may vibrate. In this case, use the PD control to reduce
the P action’s vibration and stabilize the system. In other words, this control is useful with no brake
function’s loading over the processes.
PID Control:
Use the I action to eliminate the deviation and the D action to reduce vibration; then combine this
with the P action for the PID control. Use the PID method for a control process with no deviations,
high accuracy, and a stable system.
Serial connection
Parallel connection
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