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Chapter 13 Control Sub Functions
When a speed change request or override request is given during S-curve
acceleration/ deceleration processing, S-curve acceleration/deceleration
processing begins at a speed change request or override request start.
When speed change
request is not given
Speed change (acceleration)
Command speed before speed change
Speed change request
Speed change (deceleration)
Fig. 13.47 Speed change during S-curve acceleration/deceleration processing
Set the required values for the "acceleration/deceleration method setting" in
the parameters shown in the following table, and write them to the Simple
Motion module.
The set details are validated when written to the Simple Motion module.
Setting item
Setting
value
Setting details
Factory-set
initial value
[Pr.34]
Acceleration/
deceleration
process selection
Set the acceleration/deceleration method.
0: Trapezoidal acceleration/deceleration processing
1: S-curve acceleration/deceleration processing
0
[Pr.35] S-curve ratio
Set the acceleration/deceleration curve when "1" is set
in "[Pr.34] Acceleration/deceleration process
selection".
100
: Refer to Section 5.2 "List of parameters" for setting details.
REMARK
Parameters are set for each axis.
It is recommended that the parameters be set whenever possible with GX Works2.
Execution by sequence program uses many sequence programs and devices. The
execution becomes complicated, and the scan times will increase.