I have looked at these. The linearity is quite poor, see pg. 6 and 7
It looks like you might be up to 10 counts out at any position with an
optimally placed magnet.
Slotted encoders are usually out by a % of less than one count.
The parameters will also change as the bearings wear over time. I think they
are great for something like a butterfly valve or accelerator pedal where
lots of discrete steps are required, but their relative accuracy is not
important.
Regards
Roland
On 8 December 2010 15:00, Andrea Montefusco andrea.montefu...@gmail.comwrote:
Hi all,
Did anyone ever used this sensor ?
http://docs-europe.electrocomponents.com/webdocs/0d59/0900766b80d59dc8.pdf
on the paper it seems very interesting (1024 steps/turn up to 30K RPM).
BTW: how about using them as encoders in a small gantry router ?
*am*
-
Andrea Montefusco iw0hdvhttp://www.montefusco.com
tel: +393356992791 fax: +390623318709
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