IACDRIVE I5000 Series Operation Manual page 49

Sensorless vector control inverter
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speed control. Properly adjusting this parameter can effectively restrain the static speed bias.
Function
Code
P3.07
This parameter is used to limit the torque current output by speed regulator. Torque limit value
0.0-200% is the inverter's rated current percentage.
6.5 P4 Group-- V/F Control
Function
Code
V/F curve
P4.00
selection
0: Linear curve. It is applicable for normal constant torque load.
1: Torque_stepdown curve. It is applicable for variable torque load, such as blower, pump and so
on. Please refer to following figure.
Function
Code
P4.01
Torque boost
Torque boost
P4.02
Torque boost will take effect when output frequency is less than cut-off frequency of torque boost
(P4.02). Torque boost can improve the torque performance of V/F control at low speed.
Name
Torque limit
Name
0:Linear curve
1: Torque_stepdown curve
(2.0 order)
Figure6.8 V/F curve diagram.
Name
0.0%~50.0% (motor
cut-off
rated frequency)
Description
Setting Range
0.0~200.0%
Description
Description
0.0%: (auto)
0.1%~10.0%
47
Factory
Setting
0.0~200.0
150.0%
Setting
Factory
Range
Setting
0~1
Setting
Factory
Range
Setting
0.0~10.0
0.0%
0.0~50.0
20.0%
0

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