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VIX IM MICROSTEPPER INDEXER DRIVE USER GUIDE
64
RM Description
Reports a 1 if a registration move is being actioned.
RV Description
Reports the revision of software being used by the controller.
SC S-Curve configuration
To reduce the amount of jerk (rate of change of acceleration or deceleration) within a move,
enable SC. When enabled, this variable smoothes-out rapid changes of acceleration, as
shown in Figure 4-3.
Decel
Accel
Time
Decel
Velocity
Time
Accel
Time
Velocity
Time
Maximum Jerk
Less Jerk
Trapezoidal S-Curve
Figure 4-3. S Curve Correction of Moves
To achieve this type of S curve correction an average acceleration value is used which is set
at half the value of the maximum acceleration. In all cases, the value of AA will be used for
acceleration and deceleration. If a value of AD is set that is not equal to AA, then the value
of AA will be used for all acceleration and deceleration settings. Asymmetric move profiles
are not possible when using S-curve correction.
Since the peak acceleration will be twice that of AA, this needs taking account of when
performing any torque calculations.