super quick 7i77 encoder connection sanity check ?

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24 Apr 2018 21:51 #109565 by Lcvette
just a quick sanity check, making my connections and got slightly confused by the designators listed in the manual..

QA0 = A+
/QA0 = A-

is that right?

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25 Apr 2018 17:07 #109600 by PCW
"Right" is a rather nuanced word here.

Either way will work, if you swap the A+ and A- signals you will invert the A signal the FPGA sees
reversing the count direction (same as swapping B+ and B- or both As with both Bs)

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25 Apr 2018 23:37 #109623 by Lcvette

"Right" is a rather nuanced word here.

Either way will work, if you swap the A+ and A- signals you will invert the A signal the FPGA sees
reversing the count direction (same as swapping B+ and B- or both As with both Bs)


thanks!

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