Chapter 5 Function Code Table
- 89 -
Function
Code
Parameter Name Description Setting Range Default
F3.02
Dead zone
compensation
mode selection
It rarely need be modied.
Try to use a different compensation mode only when
there is special requirement on the output voltage
waveform quality or oscillation occurs on the motor.
For large-power application, compensation mode 2 is
recommended.
0: No compensation
1: Compensation mode 1
2: Compensation mode 2
0 to 2 1
F3.03
Random PWM
depth
It aims at lowering the unpleasant motor noise and
reducing the electromagnetic interference.
0: Random PWM disabled
1 to 10
0 to 10 0
F3.04
Selection of fast
current limit
The fast current limit function helps to minimize
occurrence of AC drive overcurrent, ensuring
continuous running of the drive.
But if the AC drive stays in long-time fast current
limit state, the AC drive may be damaged due to
overheating. In this case, the AC drive reports the 40#
fault, indicating that the AC drive is overloaded and
must stop.
0: Disabled
1: Enabled
0, 1 1
F3.05
Current
detection delay
compensation
It is used to set the drive's current detection
compensation and rarely need be modied. Too large
setting may deteriorate the control performance.
0 to 100 5
F3.06
Undervoltage
threshold
It is used to set the voltage threshold for the 09# fault
(undervoltage). When the bus voltage is below the
value, the AC drive enters the unervoltage state but
continues to run.
210.0 to 630.0 350.0V
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