8-9
H33: Enter the motor nameplate rated current.
H34: Enter the measured current when the motor is running at rated frequency after the load is
removed. Enter 50% of the rated motor current when it is difficult to measure the motor no load
current.
H36: Enter motor efficiency on the nameplate.
H37: Select load inertia based on motor inertia as shown below.
H37 [Load inertia
rate]
0
Less than 10 times motor
inertia
1
About 10 times motor
inertia
2
Greater than 10 times motor
inertia
As the loads are heavier, the speed gap between rated RPM and synchronous speed is
widening (see the figure below). This function compensates for this inherent slip.
Synchronous
speed
Motor rated
RPM
RPM
Load
Slip
compensation
8.7 PID control
Group Display Parameter Name Setting Range Default Unit
Function
group 2
H49 [PID Operation select] 1
0 ~ 1 0 -
H50
[PID Feedback select]
- 0 ~ 1 0 -
H51 [P gain for PID controller] - 0 ~ 999.9 300.0 %
H52
[Integral time for PID controller
(I gain)]
- 0.1~ 32.0 1.0 sec
H53
[Differential time for PID
controller (D gain)]
- 0.0~30.0 0 sec
H54 [PID mode select] - 0 ~ 1 0 -
H55 [PID output frequency high limit] - 0.1 ~ 400 60.0 Hz
H56 [PID output frequency low limit] - 0.1 ~ 400 0.50 Hz
H57 [PID reference select] - 0~4 0 Hz
H58 [PID unit select] - 0~1 0 -
H61 [Sleep delay time] - 0.0~2000.0 60.0 -
H62 [Sleep frequency] - 0.00~400 0.00 Hz
H63 [Wake-up level] - 0.0~100.0 35.0 %
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