Re: [CAD_CAM_EDM_DRO] Re: Linux EMC, Stepper motors only move in one direction?

wwashington2k wrote:

>If I change the limit switch polarities and start tkemc, the program
>issues a dialog box telling me the limit is reached.
>
>One thing I forgot to mention is the program updates the axis
>positions as though everything is normal. The debug messages in the
>console window also appear normal. I simply don't get any clock
>pulses at the parport. I don't believe the direction pins change
>either, but that could be related to the missing step clocks.
>
>
>

Have you looked at these signals with an oscilloscope or DVM?
Which motion module are you using? Are you using backlash
compensation?

Jon