Sebastian,
 
Hopefully you will get a chance to check your email occasionally.
 
Anyway, after asserting the enables on the two configured stepper motors, I now get the motors effectively in a run-away condition until shutdown with a following error.
 
At initialization the stepgen pins have the following values:
 
counts          0
enable          false
position-cmd  0
position-fb     -0
velocity-cmd  0
velocity-fb     -0
 
If I clear the e-stop (asssert the enable) then after shutting down with a following error I get:
 
counts          1004
enable          false
position-cmd  -0.502
position-fb     -0.502
velocity-cmd  -6.25
velocity-fb     -0
 
Is there anything other than a difference in the commanded position and the actual (fb) position or demanded and actual velocities which generates a pulse stream? Why is the commanded position and velocity opposit in sign with the fb position and velocity, even though both are zero?
 
Regards,
Eric
 
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