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6. APPLICATION FUNCTIONS
6.3.4 S-curve acceleration/deceleration (Sine acceleration/deceleration)
This is a method where acceleration/deceleration is performed gradually based on the Sin-curve. To make the
S-curve acceleration/deceleration valid, set the S-curve ratio (1 to 100%). At this time, the acceleration time
and deceleration time is the same as in the case of the linear acceleration/deceleration.
POINT
When using the S-curve acceleration/deceleration for JOG operation,
incremental feed operation and home position return, set the S-curve ratio in
S-curve ratio (parameter No.0221). For automatic operation and linear
interpolation operation, set the S-curve ratio in the point table.
API LIBRARY
When using the S-curve acceleration/deceleration for JOG operation,
incremental feed operation and home position return, use the
sscChange2Parameter/sscCheck2Parameter functions to set the S-curve
ratio (Parameter No.0221).
When using the S-curve acceleration/deceleration for automatic operation
and linear interpolation operation, set the S-curve ratio in the point table using
the sscSetPointDataEx function.
Speed
Speed limit value
Deceleration
time
Sin-curve
Command speed
Acceleration time
constant
Deceleration time
constant
Acceleration
time
Control parameters
Parameter
No.
Abbreviation Name
Initial
Value
Unit
Setting
range
Function
0221 SRATE S-curve ratio 0
%0 to
100
Set the S-curve ratio of the S-curve acceleration/deceleration
(Sine acceleration/deceleration).
0: S-curve acceleration/deceleration invalid
1 to 100: S-curve acceleration/deceleration
(Note 1) (Note 2)
Note 1. S-curve acceleration/deceleration is performed for the acceleration/deceleration selected in acceleration/deceleration method
(parameter No.0220).
2. The S-curve ratio set by this parameter is used in JOG operation, incremental feed operation and home position return. For
automatic operation and linear interpolation operation, set the S-curve ratio in the point table.