Ok, I looked trough your previous posts. It appears that you are getting
7161.17 counts per spindle revolution. Your max frequency in that case
is (7161.17 * 3000) / 60 = 358058.5Hz. 358kHz is well within the range
of the 5i25.
What is your encoder filter set to?
Les
On 30/11/2017 04:41, Gene Heskett wrote:
Theres some ringing on the edges that my fauncy digital scope may be
counting. But your math is wrong, the way its hooked up its a
1000*7161.17=761,170 line/rev, * 3000=38,058,500 hz. I do believe thats
a bit much for a 5i25 to process.
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