Chapter 4 Parameters|
4-14 Revision May 2008, ME14, SW V3.04
4.2 Parameter Settings for Applications
Speed Search
Applications Purpose Functions
Related
Parameters
Windmill, winding
machine, fan and all
inertia loads
Restart free-
running motor
Before the free-running motor is
completely stopped, it can be restarted
without detection of motor speed. The
AC motor drive will auto search motor
speed and will accelerate when its
speed is the same as the motor speed.
Pr.32~Pr.35
DC Braking before Running
Applications Purpose Functions
Related
Parameters
When e.g. windmills,
fans and pumps rotate
freely by wind or flow
without applying power
Keep the free-
running motor at
standstill.
If the running direction of the free-
running motor is not steady, please
execute DC braking before start-up.
Pr.28
Pr.29
Energy Saving
Applications Purpose Functions
Related
Parameters
Punching machines
fans, pumps and
precision machinery
Energy saving and
less vibrations
Energy saving when the AC motor
drive runs at constant speed, yet full
power acceleration and deceleration
For precision machinery it also helps
to lower vibrations.
Pr.95
Multi-step Operation
Applications Purpose Functions
Related
Parameters
Conveying machinery
Cyclic operation by
multi-step speeds.
To control 7-step speeds and duration
by simple contact signals.
Pr.17~Pr.23
Pr.78~Pr.79
Pr.81~Pr.87
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