Firmware ≤ 11.00 - DMS 8.0 EN - 10/2011 L 121
8400 StateLine C | Reference manual
Motor control (MCTRL)
Selecting the control mode
5.2.1 Selection help
To ease the selection of the motor control mode, the two following tables contain
recommendations and alternatives to standard applications.
[5-1] Standard applications without speed feedback
[5-2] Standard applications with speed feedback
Application recommended Alternatively
Single drives
With constant load VFCplus: V/f linear SLVC or SLPSM
With extremely alternating loads VFCplus: V/f linear SLVC
With high starting duty SLVC VFCplus: V/f linear
Torque limitation SLVC SLPSM
With torque limitation (power control) VFCplus: V/f linear SLPSM
Three-phase reluctance motor VFCplus: V/f linear -
Three-phase sliding rotor motor VFCplus: V/f linear -
Three-phase AC motors with permanently assigned
frequency/voltage characteristic
VFCplus: V/f linear -
Pump and fan drives with quadratic load characteristic VFCplus: V/f quadratic
From version 10.00.00:
VFCplusEco
SLVC or SLPSM
Simple hoists VFCplus: V/f linear -
Group drives (several motors connected to controller)
Identical motors and loads VFCplus: V/f linear -
Different motors and/or alternating loads VFCplus: V/f linear -
Application recommended Alternatively
Single drives
With constant load VFCplus: V/f linear SLVC
With extremely alternating loads VFCplus: V/f linear SLVC
With high starting duty VFCplus: V/f linear SLVC
With speed control (speed feedback) VFCplus: V/f linear -
With high dynamic performance e.g. for positioning and
infeed drives
VFCplus: V/f linear -
Torque limitation VFCplus: V/f linear SLVC
With torque limitation (power control) - -
Winder with dancer position control VFCplus: V/f linear -
Unwinder with dancer position control VFCplus: V/f linear -
Three-phase reluctance motor - -
Three-phase sliding rotor motor - -
Three-phase AC motors with permanently assigned
frequency/voltage characteristic
--
Pump and fan drives with quadratic load characteristic - -
Simple hoists VFCplus: V/f linear -
Group drives (several motors connected to controller)
Identical motors and loads VFCplus -
Different motors and/or alternating loads VFCplus -
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