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11. PID control
■
◆PID control method selecting
Constant No.
Constant name
Settable range
Factory setting
Change during
operation
CE54 Select
PID
control
0 4 0 X
Description:CE55 is PID control method selecting, select as following:
0: invalid
1: PID output is inverter output, D control error.
2: PID output is inverter output, D control feedback.
3: PID output is adjustment of inverter output, D control error。
4: PID output is adjustment of inverter output, D control feedback.
◆PID target value setting methods
Target value setting methods as following:
Setting
method
Description Priority
Main
speed
frequency
Set analog input as feedback value, 10V is100%, use gain and
bias setting to adjust. Set Cd32/ 35/ 38=8.
1
Analog input
Set analog terminal input of encoder card as target value.
2
P.W.M. input
Set pulse input as target value.
3
Encoder
card
input
Set main frequency as target value, maximum frequency is 100%.
4
◆PID feedback value setting value
Feedback value setting methods as following:
Setting
method
Description Priority
Analog input
Set analog input as feedback value, 10V is100%, use gain and
bias setting to adjust. Set Cd32/ 35/ 38=7.
1
Encoder
card
input
Set analog terminal input of encoder card as target value.
2
Pulse input
Set pulse input as target value.
3