Re: Parallel Port Problems ?

check your lead assignemnts. are you step on line 4 and dir on line
5 ? or step on 3 and dir on 5 ? make sure your software is connected
to the correct port pins.

If you are sending step commands on dir pins, nothing moves.

Dave



--- In CAD_CAM_EDM_DRO@yahoogroups.com, "acplt2000
<marc.thomson@s...>" <marc.thomson@s...> wrote:

> Hi Guys,
>
> I just hooked up my Xylotex driver board and only my Y axis works
> correctly and reliably. My X axis will move but only CW regardless
> whether I select a + move or a - move. The Y axis works correctly
> only occasionally but usually like the X.
>
> I'm using Master 5.
>
> I tested my entire set-up on my friends computer , including the
> cable, and it worked fine.
>
> I've seen some references to PC parallel ports sometimes not

working

> out. I am using a Compaq Presario 650mhz with the parallel port on
> the motherboard. The output pin voltages are 3.36 volt if that is
> significant.
>
> Thanks for help with this most basic question !
>
> Marc Thomson
> Canada