Lenze 8200 motec frequency inverter 0.25kW-7.5kW - Manual (Page 123)

Function library
Process controller, current limitation controller
7−52
L
EDB82MV752 EN 5.2
Function
1. The dancer deflects to the bottom. The dancer control (V
T
) decreases.
2. V2 increases.
M
3~
8200
3
E
A
U
T
+10 V
0 V ... 10 V
~ V1
V1 V2
S
8200vec534
Fig. 7−13 Example: Dancer control with adding influence of the process controller
Example of subtractive influence
The effective direction of the process controller output to the main setpoint is subtractive.
Settings
·
C0051 = Positive actual value
·
C0181 = select positive setpoint
·
C0238 = 1 (with frequency feedforward control)
·
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. 7−14 Example: Dancer control with subtractive influence of the process controller