On Mon, 24 Mar 2008, Anders Wallin wrote:
> Date: Mon, 24 Mar 2008 12:04:58 +0200
> From: Anders Wallin <[EMAIL PROTECTED]>
> Reply-To: "Enhanced Machine Controller (EMC)"
> <emc-users@lists.sourceforge.net>
> To: "Enhanced Machine Controller (EMC)" <emc-users@lists.sourceforge.net>
> Subject: Re: [Emc-users] Jogger wheel + switches
>
>> So my question is it possible to make standard software inside of EMC2
>> that uses 4th connector on 5I20 and some kind standard board like MESA
>> Electronics made breaker board for axis motors. I think most jogger wheel
>> uses 6 connectors.
>
> I would love to be proved wrong, but amazingly my quick-and-dirty
> writeup of a simple jog-pendant test from Nov 2006 is one of the few
> online descriptions of how to do this:
> http://www.anderswallin.net/2006/11/jogging-emc2/
>
> Anders
BTW a 5 1/4" floppy step motor make a nice quadrature jogwheel input device.
200 CPR, ball bearings, a little detent torque and usually free... Just needs
a dual comparator with hysteresis (LM393) to translate to TTL levels. Also
with hysteresis the quadrature outputs stay put when the jogwheel is not
touched. This is for relative motion only (counts will be lost starting and
stopping)
>
Peter Wallace
Mesa Electronics
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