Rockwell Automation Publication MOTION-UM003K-EN-P - January 2019 321
Out of Box Configuration for PowerFlex Drives Appendix B
Troubleshoot Axis Motion
This section helps you troubleshoot some situations that could happen while
you are running an axis.
Why Does My Axis Accelerate When I Stop It?
While an axis is accelerating, you try to stop it. The axis accelerates for a short
time before it starts to decelerate.
Example
You start a Motion Axis Jog (MAJ) instruction. Before the axis gets to its target
speed, you start a Motion Axis Stop (MAS) instruction. The axis continues to
speed up and then eventually slows to a stop.
Look For
Example Situation Page
Why Does My Axis Accelerate When I Stop It? 321
Why Does My Axis Overshoot Its Target Speed? 322
Why Is There a Delay When I Stop and Then Restart a Jog? 325
Why Does The Axis Reverse Direction When Stopped and Started? 327
S-Curve profile in the
instruction that starts the
motion
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