Re: unknown

>    From: "yours_salman2002 <salman1250@...>"
> <salman1250@...> Subject: (
>
> i want to run bridgeport own original drive cards through step and
> directions pulses from my software.
>  
> so any one can help me how i trace out step and directions inputs for
> bridgeport original drive cards?.
>
> this is stepper type(sigma) machine 56 volt 8 amp .

If I remember right, these stepper drivers did not use step and
direction. I think they used some sort of gray code or more complex set
of signals. I know that someone was playing with the EMC code a year or
more ago to make the signals for these.

Ray