
MotionSuite™ Series Machine Controller Programming Manual Chapter 3: Advanced Programming Methods
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3.2.2 S-Curve Time Constant Change (SCC) Command
! Outline
The S-curve Time Constant Change (SCC) command sets up the S-curve accel/decel func-
tion parameter that suppresses machine vibration during accel/decel.
! Detailed Explanation
The SCC command method is shown as follows:
According to the above command, the S-curve time constant of each axis is changed;
however, that of the undesignated axis is not changed.
• When the SCC command is not sent, the S-curve time constant is determined by the
S-curve Time Constant setting parameter.
• The S-curve time constant changed by the SCC command is valid until being reset by
the next SCC command.
• A designating range of the SCC command is as indicated below.
S-curve Time Constant
SCC [axis1]—[axis2]—...;
V
MAX
V
t
After S-Curve Time Constant Change
V
MAX
t
Figure 3.18: S-Curve Time Constant (SCC) Change
Before S-Curve Time Constant Change
V
0 ~ 510[msec]
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