11 Driver Function
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75
11.1.2.4
S Curve (S-curve acceleration/deceleration)
S curve generates an S shape speed curve according to linear increase/decrease of drive
acceleration/deceleration. It smoothly increases and reduces speed when starting and stopping,
and helps achieve smoother operation.
a, b, c=Acceleration Time
d, e, f=Deceleration Time
S curve occurs at the a, c, d, f zones during the set
“S Curve Time”.
When
“S Curve Time” is set the half of “ Acceleration Time (=Deceleration Time)”, it
operates S curve without b, e (trapezoidal zone).
Precautions for S curve acceleration/deceleration drive
In a fixed pulse S curve acceleration/deceleration drive, you cannot change speed while
driving.
At S-curve acceleration/deceleration fixed pulse drive,
“S Curve Time (S-curve
acceleration/deceleration time)
” is set 1/2 of “Acceleration Time (=Deceleration Time)”.
If it is set over 1/2, the drive pulse ends during deceleration before arriving the start drive
speed or it outputs the left drive pulses as start drive speed and does not stop even though
arriving the start drive speed.
During S curve operation, acceleration/deceleration time should be set as same.
If it is set differently, deceleration time is set same as acceleration time.
Содержание AiC Series
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