Yaskawa G7 Drive - Manual (Page 322)

Individual Functions
6-
105
„ PID Control Block
The following diagram shows the PID control block in the Drive.
Fig 6.60 PID Control Block
Option Card Serial Com Terminal A1
D1-01 D1-02 D1-16
Terminal A2 or A3 PID target value MEMOBUS communications register 06 H PID target value Frequency reference terminal A3 PID feedback
Z -1
b5-03
+
−
+
P
b1-01
0 1 2
3,4
Frequency reference using multi-step command
PID input volume (U1-36)
Set PID target value in multi-function analog input Set bit 1 of MEMOBUS register 0FH to 1
b5-01=2,4
b5-01=1,3
Proportional gain (P) b5-02
+
−
+
b5-17
Pulse input terminal RP
H6-01=2
Pulse input terminal RP
-1
Select multi-function inputs PID input characteristics
0
1
PID SFS Cancel
H6-01=1
H3-05 or H3-09=B
Output frequency
1 T
b5-05
− T
1 -1
PID output gain (b5-10)
Z -1
Z -1
Z -1
Frequency reference (U1-01)
PID command (U1-38)
Integral (I) time
b5-03
Store integral using multi-function inputs
I limit
b5-01=1,3
b5-01=2,4
Derivative time
Integral rset using multi-function inputs
PID limit b5-06 PID Limit
PID primary delay time constant
b5-08
PID offset adjustment (b5-07)
Select PID output characteristics selection (b5-09)
+ +
−
+
+
+
+ −
+ +
+
+
PID output monitor (U1-37)
b5-01=0
b5-01=3,4
b5-01=1,2
PID ON
PID OFF
Multi-function input PID control cancel signal is ON. PID is OFF under the following conditions: b5-01 = 0 During JDG command input
b5-11=0
b5-11=1
Enable/disable reverse operation when PI output is negative
Upper limit Fmax x109% Lower limit 0
Uppwer limit
Fmax x109%
Lower limit
-(Fmaxx109%)
+
+
0
+
1
1