Shenzhen Hpmont Technology Co., Ltd Chapter 6 Function Introduction
HD20 Series Inverters User Manual ―61―
No. Name Description Range
factory setting
F04.10 Bias limit 0.0
20.0 (reference)
2.0%
F04.10 defines the maximum deviation of the
output from the process PID reference.
• PID regulator stops operation when the
feedback value is within this range.
• Setting this parameter correctly is
instructive to improve the system output
accuracy and stability.
F04.11 PID regulator upper limit source selection 0
2
0
0: Set by F04.13.
1: Set by analogue value. Set by analogue input voltage, refer to Group F16.
2: Set by terminal pulse input.
F04.12 PID regulator lower limit source selection 0
2
0
It defines the setting source of PID regulator lower limit value.
0: Set by F04.14.
1: Set by analogue value. Set by analogue input voltage, refer to Group F16.
2: Set by terminal pulse.
F04.13 PID regulator upper limit value 0.00
upper limit
50.00Hz
It defines that the process PID regulator output digital setting value of upper limit.
F04.14 PID regulator lower limit value 0.00
upper limit
0.00Hz
It defines that the process PID regulator output digital setting value of lower limit.
F04.15 PID regulator characteristic 0,1
0
0: Positive. The motor speed is required to increase with the increase of the reference.
1: Negative. The motor speed is required to decrease with the increase of the reference.
F04.16 Integral regulation selection 0,1
1
0: Stop integral regulation when the frequency reaches the upper or lower limit.
1: Continue the integral regulation when the frequency reaches the upper or lower limit.
• It is recommended to disable the integral regulation when the frequency reaches the upper or
lower limit on condition that fast response is needed.
F04.17 PID output filter time 0.01
10.00
0.05s
It defines the filtering time of process PID output.
F04.18 PID output reverse selection 0,1
0
0: PID regulation disable reverse. When PID output is negative, 0 is the limit.
1: PID regulation enable reverse. When F00.18 = 1 (disable reverse), 0 is the limit.
F04.19 PID output reverse frequency’s upper limit 0.00
upper limit
50.00Hz
It defines the PID upper limit frequency when reverse. When F04.18 = 1 (PID regulation enable
reverse), it is enabled.
Time
Output frequency
F04.10
Time
Feedback value
Reference value
6
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