IMO HD2-3.7A-43 - Page 202

HD2 Series Inverter Function Parameter List
-193-
Function
code
Name
Description
Default
value
Modify
PID regulator, the larger the value of P, the
stronger the regulation intensity. If this parameter
is 100, it means when the deviation between PID
feedback and reference is 100%, the regulation
amplitude of PID regulator (ignoring integral and
differential effect) on output frequency command is
the max. frequency (ignoring integral and
differential actions).
Setting range: 0.00–100.00
P09.05
Integral time (Ti)
It determines the speed of integral regulation
made on the deviation between PID feedback and
reference by PID regulator. When the deviation
between PID feedback and reference is 100%, the
regulation of integral regulator (ignoring integral
and differential actions), after undergoing
continuous regulation during this time, can reach
Max. output frequency (P00.03)
The shorter the integral time, the stronger the
regulation intensity.
Setting range: 0.00–10.00s
0.90s
○
P09.06
Derivative time
(Td)
It determines the intensity of the regulation made
on the change rate of deviation between PID
feedback and reference by PID regulator. If
feedback changes by 100% during this period, the
regulation of differential regulator (ignoring integral
and differential actions) is Max. output frequency
(P00.03)
The longer the derivative time, the stronger the
regulation intensity.
Setting range: 0.00–10.00s
0.00s
○
P09.07
Sampling cycle
(T)
It means the sampling cycle of feedback. The
regulator operates once during each sampling
cycle. The larger the sampling cycle, the slower
the response.
Setting range: 0.001–10.000s
0.001s
○
P09.08
Limit of PID
control deviation
It is the max. allowable deviation of PID system
output value relative to closed-loop reference
value. Within this limit, PID regulator stops
regulation. Set this function code properly to
0.0%
○