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Figure 2.3 Definition of acceleration/deceleration time
When the acceleration/deceleration time is set at 0.0 seconds, the inverter speed
increases or reduces within 0.1 seconds.
If the programmed value is shorter than the optimum acceleration/deceleration time
determined by load conditions, overcurrent stall or overvoltage stall function may make
the acceleration/deceleration time longer than the programmed time. If an even shorter
acceleration/deceleration time is set there may be an overcurrent trip or overvoltage trip
for inverter protection.
Note: See f518, f520, f519 and f521.
NO. Parameter Name Setting Range Default
f012 PWM carrier frequency 1.5 ~ 12.0 kHz varies by model
Increase of the switching frequency may reduce the magnetic noise of the motor.
However, enhancement of switching frequency will increase heat dissipation. In the
event of increase of switching frequency, the capacity of the inverter may require
corresponding derating.
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General