Lenze 8400 User Manual

Lenze · 8400 HighLine · Reference manual · DMS 12.0 EN · 06/2017 · TD23 153
5 Motor control (MCTRL)
5.2 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: U/f square-law
From version 10.00.00
onwards:
VFCplusEco
SLVC or SLPSM
Simple hoists VFCplus: V/f linear -
Group drives (several motors connected to inverter)
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 SC VFCplus / SLVC
With extremely alternating loads SC VFCplus / SLVC
With high starting duty SC VFCplus / SLVC
With speed control (speed feedback) SC VFCplus
With high dynamic performance e.g. for positioning and
infeed drives
SC -
Torque limitation SC SLVC
With torque limitation (power control) - -
Winder with dancer position control SC VFCplus
Unwinder with dancer position control SC VFCplus
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 inverter)
Identical motors and loads VFCplus -
Different motors and/or alternating loads - VFCplus

Lenze 8400 Specifications

General

Category	DC Drives
Series	8400
Protection class	IP20
Control Type	Vector control
Communication	CANopen, PROFIBUS, Ethernet
Protection Features	Overcurrent, overvoltage, undervoltage, overtemperature
Input Voltage	AC 230/400/480 V