Goodrive270 series VFD for fan and pump Function parameter list
-183-
Name Description Default
hannel cannot be duplicate. Otherwise,
effective PID control cannot be achieved.
P09.03
PID output
characteristics
selection
0: PID output is positive. When the feedback
signal is greater than the PID reference value,
the output frequency of the VFD will decrease to
balance the PID. Example: PID control on strain
during unwinding.
: PID output is negative. When the feedback
signal is greater than the PID reference value,
the output frequency of the VFD will increase to
balance the PID. Example: PID control on strain
during unwinding.
0 ƻ
P09.04
Proportional gain
(Kp)
The function is applied to the proportional gain P
of PID input.
P determines the strength of the whole PID
adjuster. The value 100 indicates that when the
difference between the PID feedback value and
given value is 100%, the range within which the
PID regulator can re
gulate the output frequency
command is the max. frequency (ignoring
integral function and differential function).
Setting range: 0.00±100.00
1.80 ƻ
P09.05 Integral time (Ti)
Used to determine the speed of the integral
adjustment on the deviation of PID feedback and
reference from the PID regulator.
When the deviation of PID feedback and
reference is 100%, the integral adjuster works
continuously du
ring the time (ignoring
proportional and differential function) to achieve
the max. output frequency (
P00.03) or the max.
P04.31). Shorter integral time indicates
Setting range: 0.00±10.00s
0.90s ƻ
P09.06
Used to determine the strength of the change
ratio adjustment on the deviation of PID feedback
and reference from the PID regulator.
If the PID feedback changes 100% during the
time, the adjustment of the differential regulator
0.00s ƻ
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