Chapter 5 Parameter Introductions
137
Time(S)
Operation Freq.(Hz)
Run command
Time(S)
Actual Length
Preset length
Actual Length
clearing Command
Operation according to
inverter's preset
Dec time
Fig. 5-8-1 Fixed length control diagram
We can adjust the initial deceleration time of the inverter through setting the
deceleration point, reducing the deceleration point appropriately when the motor inertia
is large, thus the motor will decelerate ahead of schedule.
At the same time by setting the slide (P0.09 lower frequency limitation) to adjust the
frequency and deviation (P8.06). When the motor is overshoot, set P8.06 negative; and
if it cannot reach the setting then set P8.06 positive. Now suppose that one motor is
overshoot, after doing the corresponding parameter settings, the running process is as
shown in Fig.5-8-2.
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