Data Sheet

Closed Loop Relative and Tracking Position Modes
138 Advanced Digital Motor Controller User Manual V1.8 August 28, 2017
Loop Error Detection and Protection
The controller will detect large tracking errors due to mechanical or sensor failures, and
shut down the motor in case of problem in closed loop speed or position system. The
detection mechanism looks for the size of the tracking error (desired position vs. actual
position) and the duration the error is present. Three levels of sensitivity are provided in
the controller configuration:
1: 250ms and Error > 100
2: 500ms and Error > 250
3: 1000ms and Error > 500
When an error is triggered, the motor channel is stopped until the error has disappeared,
the motor channel is reset to open loop mode.
The loop error can be monitored in real time using the Roborun PC utility.