INVT GD20-004G-2-EU, Руководство по эксплуатации

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Goodrive20-EU series VFD Function parameters
85
Function
code
Name Detailed instruction of parameters
Default
value
Modify
If the PID feedback changes 100% during the
time, the adjustment of integral adjustor (ignoring
the proportional effect and differential effect) is
the max. frequency (P00.03) or the max. voltage
(P04.31). Longer the integral time, stronger is the
adjusting.
Setting range: 0.00
– 10.00s
P09.07
Sampling cycle
(T)
This parameter means the sampling cycle of the
feedback. The modulator calculates in each
sampling cycle. The longer the sapling cycle is,
the slower the response is.
Setting range: 0.001
– 10.000s
0.100s
○
P09.08
PID control
deviation limit
The output of PID system is relative to the
maximum deviation of the close loop reference.
As shown in the diagram below, PID adjustor
stops to work during the deviation limit. Set the
function properly to adjust the accuracy and
stability of the system.
Output frequency
T
T
Feedback value
Bias limit
Reference value
Setting range: 0.0
– 100.0%
0.0%
○
P09.09
Upper limit of
PID output
These parameters are used to set the upper and
lower limit of the PID adjustor output.
100.0 % corresponds to max. frequency or the
max. voltage of (P04.31)
Setting range of P09.09: P09.10
– 100.0%
Setting range of P09.10: -100.0%
– P09.09
100.0%
○
P09.10
Lower limit of
PID output
0.0%
○
P09.11
Feedback
offline
detection value
Set the PID feedback offline detection value,
when the detection value is smaller than or equal
to the feedback offline detection value, and the
0.0%
○