Overview of drive-related control modes

	V/f		VFC^PLUS				CFC		ELSM^®
Principle	Voltage controlled according to characteristic curve		Field-oriented, voltage-controlled, stator flux controller, torque controller				Field-oriented, current controller		Field-oriented, current controller
Motor	ASM	LSPMGuided startup in preparation.	ASM		RSM		ASM	SM	SM
Encoder	No	No	No	with	No	with	with	with	No
Dynamics	+	No specification.	+++	++++	+++	++++	+++++	+++++	++
Efficiency	+	No specification.	+++	+++	+++	+++	++	+++++	++++++
Motor parameter measurement		No specification.
Determination of load inertia	–	–
Flying start	In V/f flying start via DC braking.	No specification.
Flow optimization	–	–