3 defining current and speed limits, Defining current and speed limits, 5motor control (mctrl) – Lenze 8400 User Manual
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Lenze · 8400 protec HighLine · Reference manual · DMS 3.0 EN · 03/2013 · TD05
145
5
Motor control (MCTRL)
5.3
Defining current and speed limits
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5.3
Defining current and speed limits
Limitation of the speed setpoint
Parameterising the reference speed in
means that the drive must rotate at the set speed if
a speed setpoint of 100% is specified.
All speed setpoint selections are provided in % and always refer to the reference speed set in
.
Tip!
For reasons of achievable resolution and the accuracy involved, the reference speed should
be geared to the speed range required for the respective application.
Lenze recommendation: Reference speed (
) = 1500 ... 3000 rpm
Irrespective of the selected motor control, there are more limitation options:
Parameter
Info
Lenze setting
Value Unit
Max. positive speed
120 %
Max. negative speed
120 %
Max. positive output frequency
1000 Hz
Max. negative output frequency
1000 Hz
Note!
In the torque-controlled operation (bTorquemodeOn = TRUE), the limitation of the speed
setpoint does not have any effect! In this case, a permissible speed range can be defined
via speed limitation (nSpeedHighLimit and nSpeedLowLimit).