On 10/23/2009 01:33 PM, Peter C. Wallace wrote:
> On Fri, 23 Oct 2009, Michael Haberler wrote:
>
>
>> Date: Fri, 23 Oct 2009 20:31:53 +0200
>> From: Michael Haberler<mai...@mah.priv.at>
>> 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] threading Z oscillation depends on encoder PPR
>>
>>
>> Am 23.10.2009 um 20:07 schrieb Peter C. Wallace:
>>
>>
>>>> I did search for such a knob,
>>>> http://www.linuxcnc.org/docs/devel/html/drivers_hostmot2.html
>>>> remains silent on the case
>>>>
>>>
>>> Set counter_mode true for x1 mode...
>>>
>> I assumed a q-decoder in x1-mode is still a q-decoder which gives
>> position *and* direction which is why ignored that option..
>>
>> instant stop of delight..
>>
>> - Michael
>>
>>
> Its still is a quadrature decoder but it only counts on one edge (rising edge
> of A in this case, state of B on rising edge of A determines direction)
>
OK, here come stupid question of the day...
Why does it matter if the encoder tells the computer which direction
the spindle is turning?? Or is this just a side effect of quadrature.
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