Commissioning
Before switching on
6
77
EDS84DG752 EN 5.0
Tip!
In the Lenze setting, the ”linear V/f characteristic” operating mode is set as
motor control. The parameter settings are preset so that if the frequency
inverter and the 50 Hz asynchronous machine match in terms of power, the
controller is ready for operation without any further need for parameterisation
and the motor operates satisfactorily.
Recommendations for the following application cases
ƒ If the frequency inverter and the motor differ strongly in terms of
power
– Set code C00022 (I
max
limit in motor mode) to 2.0 I
N(motor)
.
ƒ If a high starting torque is required
– When the motor is idling, set the code C00016 (V
min
boost) so that a
rated motor current flows with a field frequency f = 3 Hz (C00058).
ƒ For noise reduction
– Set code C00018 to the value ”3” (switching frequency 16 kHz
sin var
).
ƒ If a high torque without feedb a ck is to be available at low speeds, we
recommend the ”vector control” mode.
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