Efficient Networks S120 Vector control with encoder, Benefits of vector control with an encoder

Vector control

4.2 Vector control with encoder

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Figure 4-3 Zero crossover for permanent-magnet synchronous motors

Function diagrams (see SINAMICS S List Manual)

●6730 Interface with Motor Module for induction motor (p0300 = 1)

●6731 Interface to the Motor Module (PEM, p0300 = 2)

Overview of key parameters (see SINAMICS S List Manual)

●p0305[0...n] Rated motor current

●r0331[0...n] Motor magnetizing current/short-circuit current (actual)

●p1610[0...n] Torque setpoint static (SLVC)

●p1611[0...n] Supplementary accelerating torque (SLVC)

●p1750[0...n] Motor model configuration

●p1755[0...n] Motor model changeover speed sensorless operation

●p1756 Motor model changeover speed hysteresis

●p1758[0...n] Motor model changeover delay time, open/closed-loop control

4.2Vector control with encoder

Benefits of vector control with an encoder:

●The speed can be controlled right down to 0 Hz (standstill)

●Constant torque in the rated speed range

118	Drive Functions
	Function Manual, (FH1), 07/2007 Edition, 6SL3097-2AB00-0BP4