On Thu, 9 Sep 2010, dave wrote:

> Date: Thu, 09 Sep 2010 07:14:19 -0700
> From: dave <dengv...@charter.net>
> 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] tool change component
> 
>
>
> On Thu, 2010-09-09 at 15:08 +0100, Andy Pugh wrote:
>> On 9 September 2010 14:36, Stuart Stevenson <stus...@gmail.com> wrote:
>>
>>> I could also move the zero trigger to create a trigger time difference
>>> my main question is - Why to I count 2 for every pot trigger?
>>
>> Is the edge detector in the same realtime thread as the toolchange comp?
>> Is the edge pulse width too long?
>> Perhaps try changing the order in which they are added to the thread?
>>
> If it is triggering on both edges I should think that a FF to divide by
> two would fix it.
>
> Or a  one shot that just masks the second pulse.
>
>
> Dave
>
Isn't there a debounce component just for this purpose?


Peter Wallace


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