Re: [CAD_CAM_EDM_DRO] Re: Encoders - API??? (possibly of interest only to programmers)

I must have missed something, I thought the thread was about encoders for
jogging an axis.

Would not think you would need 500 line for that.

Hugh
Possabily terminally confused today

----- Original Message -----
From: <mariss92705@...>
To: <CAD_CAM_EDM_DRO@yahoogroups.com>
Sent: Thursday, April 05, 2001 12:28 PM
Subject: [CAD_CAM_EDM_DRO] Re: Encoders - API??? (possibly of interest only
to programmers)


> Hi,
>
> Or you can go to the US Digital website and purchase a 500 line
> (2,000 counts per rev) quadrature modular encoder for $39 single
> quantity.
>
> Mariss
>
> --- In CAD_CAM_EDM_DRO@y..., "Hugh Prescott" <hugh@r...> wrote:
> > Unless I am missing something how about using a cheap rotary
> encoder such as
> > Grayholl, CTS, Panasonic make.
> >
> > Optical 32 cpr for $20.54 with a .250 shaft standard Quadature
> output.
> > Requires 5VDC
> >
> > DigiKey part num GH6102-ND Grayhill part 61C11-01-08-2
> >
> > Several manufactures are listed in the latest Digi-Key catalog or
> visit
> > www.didikey.com
> >
> > Hugh
> >
> >
> >
> > ----- Original Message -----
> > From: Ray <rehenry@u...>
> > To: <CAD_CAM_EDM_DRO@y...>
> > Sent: Thursday, April 05, 2001 9:08 AM
> > Subject: [CAD_CAM_EDM_DRO] Re: Re: Encoders - API??? (possibly of
> interest
> > only to programmers)
> >
> >
> > >
> > > From: Alan Marconett KM6VV <KM6VV@a...>
> > > Subject: Re: Encoders - API??? (possibly of interest only to
> programmers)
> > >
> > > Hi,
> > >
> > > <s>but if you are implementing a counter in the PIC, then the PIC
> would
> > > >have to know which direction too! I guess you could run a line
> from the
> > > >direction line going to each driver (step/dir).
> > >
> > > You could stack two pulse generators for each axis with outputs
> offset for
> > > quad but the hardware to do this may offset the cost advantage.
> > >
> > > Ray
> > >
> > >
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>
> Welcome to CAD_CAM_EDM_DRO@...,an unmoderated list for the
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