Lenze E82xVxxxKxxxxx - Manual (Page 321)

Function library
Process controller
Set control loop properties
10
l
321 EDS82EV903 EN 3.0
Example of subtractive influence
The effective direction of the process controller output to the main setpoint is subtractive.
Settings
ƒ C0051 = Positive actual value
ƒ C0181 = select positive setpoint
ƒ C0238 = 1 (with frequency feedforward control)
ƒ Potentiometer terminals of the dancer
– End (E) = +10 V
– Start (A) = GND
Function
1. The dancer deflects to the bottom. The dancer control (V
T
) increases.
2. V1 decreases.
M
3~
8200
3
A
E
S
+10 V
0 V ... 10 V
~ V2
V2 V1
U
T
8200vec535
Fig. 10−14 Example: Dancer control with subtractive influence of the process controller