Mitsubishi Electric FR-A700 Instruction Manual page 672

Special operation
PD action
A combination of P action (P) and differential control action (D) for providing a manipulated var-
iable in response to deviation speed to improve the transient characteristic.
P action
D action
PD action
PID action
The PI action and PD action are combined to utilize the advantages of both actions for control.
P action
I action
D action
PID action
6 - 492
Set point
Deviation
Measured
value
Set point
Deviation
Measured
value
Fig. 6-238:
Operation example for proportional changes
of measured value
Fig. 6-239:
Operation example for proportional changes
of measured value
Parameter
I000046C
I001233E