Overview of the application-related control modes

 

V/f

 

VFCPLUS

 

CFC

ELSM®

Speed control

Open-loop speed control.

Torque control

Positioning

 

Without encoder

With encoder

Continuous standstill capacity

 

Without encoder

With encoder

Characteristics

Generic V/f characteristic, simple speed setting

Highest torque accuracy

 

Max. dynamics, high peak
torques

Max. energy
efficiency for
synchronous motors