CAD CAM EDM DRO - Yahoo Group Archive

Re: Encoder circuits for parallel port hookup?

on 2005-02-25 06:33:24 UTC
Check the files section and circuits and for a single chip solution.


74HC04, pwr cource is from the encoder power and all it does in fit
on a cable.

Not sure if it is perfect, but it sure looks neat !

Dave




--- In CAD_CAM_EDM_DRO@yahoogroups.com, "Abby Katt" <cnc@a...> wrote:
>
> > Yes, if its mechanical then debounce can be the problem.
Normally,
> encoders
> > are not debounced as it will
> > cause lost pulses. A small cap acrosss the line can help as well
as
> a 10K
> > resistor to ground on each line.
>
>
> Hmmm... maybe I need to change my wiring then, too.
> At the moment I have Gnd going to the common terminal, and the two
> outputs going to the parallel port pins. I'm assuming in order to
use
> the filter, I'd need to use positive to the common, then put the
> filters to ground respectively.
>
> If I was using positive instead, would I need a resistor before the
> common terminal?
>
> Thanks (you rock)
> ~Abby
>
>
>
>
>

Discussion Thread

tauscnc 2005-02-20 20:08:55 UTC k2cnc routers pierreandrada@s... 2005-02-21 09:23:35 UTC Re: [CAD_CAM_EDM_DRO] k2cnc routers Fred Smith 2005-02-21 10:51:07 UTC Re: k2cnc routers R Rogers 2005-02-21 11:04:03 UTC Re: [CAD_CAM_EDM_DRO] Re: k2cnc routers Hey Fred AbbyKatt 2005-02-21 11:19:58 UTC Encoder circuits for parallel port hookup? Fred Smith 2005-02-21 11:36:00 UTC Re: Xformers, was k2cnc routers Hey Fred turbulatordude 2005-02-22 18:31:42 UTC Re: Encoder circuits for parallel port hookup? art 2005-02-23 05:43:46 UTC Re: [CAD_CAM_EDM_DRO] Re: Encoder circuits for parallel port hookup? AbbyKatt 2005-02-24 14:55:34 UTC RE: [CAD_CAM_EDM_DRO] Re: Encoder circuits for parallel port hookup? cnc_4_me 2005-02-24 16:34:49 UTC Re: Encoder circuits for parallel port hookup? JCullins 2005-02-24 16:56:40 UTC Re: [CAD_CAM_EDM_DRO] Re: Encoder circuits for parallel port hookup? R Rogers 2005-02-24 17:32:09 UTC [CAD_CAM_EDM_DRO] Power supply surge above the Va rating? cnc_4_me 2005-02-24 18:03:13 UTC Re: Power supply surge above the Va rating? art 2005-02-25 05:02:12 UTC Re: [CAD_CAM_EDM_DRO] Re: Encoder circuits for parallel port hookup? R Rogers 2005-02-25 05:08:33 UTC Re: [CAD_CAM_EDM_DRO] Re: Power supply surge above the Va rating? Abby Katt 2005-02-25 05:54:11 UTC Re: Encoder circuits for parallel port hookup? turbulatordude 2005-02-25 06:33:24 UTC Re: Encoder circuits for parallel port hookup? cnc_4_me 2005-02-25 23:25:39 UTC Re: Power supply surge above the Va rating? turbulatordude 2005-02-26 04:59:00 UTC Re: Power supply surge above the Va rating? tauscnc 2005-02-27 00:38:28 UTC Re: k2cnc routers Fred Smith 2005-02-27 07:29:09 UTC Re: k2cnc routers pierreandrada@s... 2005-02-27 14:34:10 UTC Re: [CAD_CAM_EDM_DRO] Re: k2cnc routers tauscnc 2005-02-27 16:40:28 UTC Re: k2cnc routers Fred Smith 2005-02-28 15:16:57 UTC Re: k2cnc routers