4-66
PID block diagram
1、2
3、4
Positive
Negative
10-03
P(10-05)
I(10-06)
+
10-03
-
D
Target
10-00
Feedback
10-01
10-21
10-22
12-00, PID
Feedback Display
10-03=0
or external terminal
prohibit or stop
I Limiter
1、3
2、4
D(10-07)
+
+
Offset
(10-08
10-09)
+
Delay device
(10-10)
PID Communication
Read
Sleep /Wake
Function
PID Freq.
Output
2、4
1、
3
10-03
I Reset
PID Limit
PID target value selection
【0】: Potentiometer on Keypad
【1】: External AVI Analog Signal Input
【2】: External ACI Analog Signal Input
【3】: Target Frequency set by Communication method.
【4】: Set from keypad by parameter 10-02.
10-00 selections are only effective when frequency source selection is set to PID parameters 00-05\00-06=6.
PID feedback value selection
【0】: Potentiometer on Keypad
【1】: External AVI Analog Signal Input
【2】: External ACI Analog Signal Input
【3】: Communication setting Frequency
Note: Parameter 10-00 and 10-01 cannot be set to the same value.