6-25
6-8 Soft Start
OMNUC G5-Series AC Servo Drives Users Manual (Built-in MECHATROLINK-II communications type)
6
Applied Functions
S-curve Acceleration or Deceleration Time
The function sets the S-curve time for the acceleration and deceleration time set by the Soft
Start Acceleration Time (Pn312) and the Soft Start Deceleration Time (Pn313). The S-curve
time is a duration around an inflection point during acceleration and deceleration.
ta td
ts ts
tsts
Rotation speed
[r/min]
Target speed
(Vc)
ta = Vc / Maximum motor rotation speed × Pn312 × 1 ms
td = Vc / Maximum motor rotation speed × Pn313 × 1 ms
ts = Pn314 × 1 ms
Note Be sure that ts is smaller than the values
obtained by the divisions of
and .
2
ta
2
td
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