NE200/300 Series Drive User Manual
128 Chapter 6 Parameter description
F3.27 Torque boost cut-off
frequency in torque control mode
Range: 0.00～15.00Hz【12.00Hz】
F3.28 Torque boost amount in
torque control mode
Range: 0.0～20.0%【15.0%】
This parameter is valid when vector torque control mode (F3.10 ≠0). It
is used to boost the given torque volume at low speed, i.e. the final given
torque value is calculated on given torque value, F3.27, and F3.28.
F3.31 Synchronous motor initial
position detection
Range: 0～2【2】
0：Drive runs without detecting the motor rotor initial position
1：In first-run after power on, the motor rotor initial position will be
detected. If it is not first-run, the motor rotor initial position will not be
checked.
2：Detect the motor rotor initial position at every run.
F3.32 Synchronous motor initial
position detection current
Range：50～120%【90%】
This is to set the detection current value for motor’s initial position. The
smaller the current value, the lower the detection noise; but too small
current value might cause incorrect detection.
F3.33 Initial position detection pulse
width
Range：0～1200us【0us】
When the setting value of this parameter is 0, the detection pulse width
of detection position is searched gradually from small pulse to larger pulse
according to preset detection current value. When this parameter is not 0,
the detection position pulse width will be calculated from this parameter and
thus decrease the initial position detection time. This parameter will be
automatically filled with actual pulse width after parameter tuning operation.
F3.34 Initial position detection pulse
width actual value
Range：0～1200us【0us】
This value is the actual pulse width in every time position detection.
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