28
Function
Code
Name
Description
Modi-
ability
Setting
Range
Default
Value
F15.04
PID Control
Maximum
Output
Frequency
The percentage of F00.03 maximum output
frequency value.
The target frequency obtained from PI
control cannot be higher than this set value.
100.0%
F15.05~
100.0
F15.05
PID Control
Minimum
Output
Frequency
The percentage of F00.03 maximum output
frequency value.
The target frequency obtained from PI
control cannot be lower than this set value.
0.0%
0.0~
F15.04
F15.06
KP1
Ratio coefficients 1 of target frequency PI
loop.
The larger the value, the faster the
adjustment.
1.00
0.00~
100.00
F15.07
KI1
Integral coefficients 1 of target frequency PI
loop.
The larger the value, the faster the
adjustment.
1.00
0.00~
100.00
F15.08
KP2
Ratio coefficients 2 of target frequency PI
loop.
The larger the value, the faster the
adjustment.
6.00
0.00~
100.00
F15.09
KI2
Integral coefficients 2 of target frequency PI
loop.
The larger the value, the faster the
adjustment.
6.00
0.00~
100.00
F15.10
PI Parameters
Switch Point
When the deviation between actual DC bus
voltage and reference voltage is larger than
this set value, PI loop adopts coefficients 2,
otherwise adopts coefficients 1.
50.0V
0.0~
6553.5
F15.11
Source Low
Enable
0: Invalid
1: Valid
1
0,1
F15.12
Software
Source Low
Protection
Power Point
0.0%: Invalid
0.1% ~ 100.0%: If the pump actual output
power is lower than this set value, the inverter
will carry out software source low protection.
1
0,1
F15.13
Source Low
Alert Delay
Time
Abnormal water level duration time before
source low alert.
Unit: second
5.0 s
0~
3600.0
F15.14
Source Low
Reset Start-up
Delay Time
Start-up delay time after water level returns
to normal.
Unit: second
600.0 s
0~
3600.0
F15.15
Overheat
Frequency
Drop Rate
When the radiator temperature is higher
0
than 75 C the reduction frequency of
0
maximum output frequency for every 1 C
increase.
0
Unit: Hz/ C
2.00
0
Hz/ C
0.00~
10.00
