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M505.6PD Wait for Axes to stop: Accuracy and poll time question

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I have written a program in Labview to contorl an M505.6 PD linear stage.  After moving the stage, I notice that for a very small amount of time, the stage seems to be "settling" into the target position.  This settling occurs even after I have received a "true" value to the query  "stopped?". 

 

Increasing the Polling Cycle Time lowers the amount of "settling" that occurs after receiving a value of "true".

 

My question is, is there any place I can find more information about this settling that occurs or perhaps someone has encountered this before and has concluded the minimum polling cycle time required to prevent settling given some sort of parameter.

 

Please let me know if there is any more information I can give that would help.


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