8400 BaseLine D | Software Manual
Motor control (MCTRL)
Selection of the operating mode
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L
Firmware 03.00 - DMS EN 5.0 - 07/2009
5.1.2.1
Sensorless vector control (SLVC)
The operating mode is based on the improved motor current control according to the Lenze
FTC method.
Compared to the V/f characteristic control without feedback you will obtain
a higher maximum torque over the whole speed range,
a higher speed accuracy,
a higher concentricity factor,
a higher efficiency,
the implementation of torque-controlled operation with speed limitation,
the limitation of the maximum torque in motor and generator mode for speed-
controlled operation.