94 Rockwell Automation Publication 750-RM100A-EN-P - August 2019
Chapter 9 Reference Motion Planners
Initial accelerations can increase so much with respect to the approaching target velocity,
that there may only be time to decelerate past the new target, then reverse velocity back to
it. When this occurs, parameter 10/11:1939 [VRef Move Seg] = ‘Reversing’.
Figure 38 - Velocity Move that Reverses
-10
0
10
20
30
Accel
[rev/sec
2
]
0123456789
-20
-10
0
Jerk
[rev/sec
3
]
0123456789