Re: [CAD_CAM_EDM_DRO] Re: Question for Mariss

I used some opto22 modules (ODC5) for this. They are very inexpensive (~$9
USD) and work great. I used a separate module for each 201 drive but I think
you could hook the ground from one drive (pin 12) and the pin 7s from all
the axes to one module.

Scott

----- Original Message -----
From: "mariss92705" <mariss92705@...>
To: <CAD_CAM_EDM_DRO@yahoogroups.com>
Sent: Saturday, May 18, 2002 12:14 PM
Subject: [CAD_CAM_EDM_DRO] Re: Question for Mariss


> Not a good idea. The voltage swing is 12V on that pin and connecting
> the port ground to term. 12 eliminates the benefit of opto-isolation.
>
> Use an opto-isolator or a 5VDC reed relay instead.
>
> Mariss
>
> --- In CAD_CAM_EDM_DRO@y..., "rsgoldner" <rgoldner@i...> wrote:
> > Can I connect a parallel port output pin directly to pin 7
> (disable)
> > on a Gecko 201 without smoking it? Would the PPort ground be
> > connected to pin 12?
>
>
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