Motion Control and Motor Drives

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wait for move complete not waiting for timeout

Hi,

I am running a small rotary stage with a 7358 motion controller. Occasionally when I command a new position, the "wait for move complete" seems to get triggered almost immediately even though the move is not complete. Since I have put in a "halt" downstream of this to cover the case where the move times out, the move stops immediately. The problems seems interrmittent but I haven't discovered a pattern yet except that is happens for more often when making a reverse move, i.e. I go to 1000 counts as a forward move and then back to 800 as a reverse.

 

Has anyone seen something similar?

 

Thanks,

Dave

David A. Taylor
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