On Wed, Mar 03, 2010 at 02:57:32PM +0100, Sven Wesley wrote:
> >
> If you really want to read some experienced info on the AMT's, look up my
> killer thread in the mail archive. Search for "Engrave.py cuts deeper and
> deeper". Enjoy.
> Conclusion: The AMT's do the work when other encoders fail.
That was one long thread! Boiling down what I've found, the take away
message seems to be that the original TTL output Z axis encoder was
prone to noise, and in your 14th post, you tried a differential encoder,
which happened to be a CUI. Unfortunately, the gmane search results (33
of your posts) ended without a statement of outcome. The last I can see
is a six point list of outstanding issues. (Now if gmane provided a
usable thread view [1], I'd know if the thread continued, under a new
subject, to provide enlightenment.
I'm grateful though, even for that 14th post, because there you say
"I've mounted a new CUI differential encoder ..."
The Digi-Key part 102-1788-ND, nominated on another thread, is "TTL
voltage output". (Perhaps that's what the -ND means.)
I'll go looking for a differential CUI encoder forthwith.
And if some way to view an old gmane thread exists, then I'll see if I
can work it out.
Erik
[1] Searching within the emc-user thread view throws me out to a dumb
list of 33 hits, devoid of thread context.
--
In the bathtub of history the truth is harder to hold than the soap,
and much more difficult to find." - Terry Pratchett
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