1 select the control mode, Optimize the operating characteristic of the drive, Select the control mode – Lenze 8240 frequency inverters User Manual
Page 38: Commissioning
Commissioning
5-6
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5.4
Optimize the operating characteristic of the drive
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5.4.1
Select the control mode
Code
Name
Possible settings
IMPORTANT
Lenze
Selection
Info
C014
¿ Operating mode
-4-
-2-
Linear characteristic V~f
d
with
constant V
min
boost
-3-
Square characteristic V~f
d
2
with
constant V
min
boost
-4-
Motor-current control
Control modes
of the voltage
characteristic
Function
D
Under C014 you can set the control mode and the voltage characteristic.
D
The motor-current control enables a ”Sensorless Speed Control”. Compared with the V/f
characteristic control, the drive can operate with a considerable higher torque and consumes less
current during idle running.
C014 = -2-
Linear characteristic
C014 = -3-
Square-law characteristic (e. g. for pumps, fans)
100%
0
0
1
V
min
0
0
1
f
d
f
dN
V
min
V
out
100%
V
out
f
d
f
dN
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