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5 DATA USED FOR POSITIONING CONTROL
Pr.35 S-pattern ratio
Set the S-pattern ratio (1 to 100%) for carrying out the S-pattern
acceleration/deceleration process.
The S-pattern ratio indicates where to draw the acceleration/deceleration curve
using the Sin curve as shown below.
A
B
B/2
B/2
sin curve
S-pattern ratio = B/A
(Example)
Positioning
speed
Positioning
speed
100%
5 - 41
MELSEC-Q
V
When S-pattern ratio is 100%
V
b
b/a = 0.7
a
When S-pattern ratio is 70%
t
t
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