How to acquire encoder have z low A & amp; High B?

I'm working on Labview with NI USB-6259 8.5 and I have a quadratic encoder where Z is low and A - B are secondary, I realized that Labview can acquire A and B High or Low but not impulses for z is there a way to solve this problem?

As matter of fact also that Z pulse saturated at 1.7 volts and on to 0 volt. B and A are always zero and the suite is 5 volts.

Thank you

Tryphene back

Hello

As I understand it, you have labVIEW acquiring A pulse and B to your quadrature encoder, but it does not detect the entrance of Z.

Otherwise, take a look at this article,

Page 7 of the Datasheet USB-6259 he says also that the minimum input high voltage 2 .2V, then your pulse of 1.7 v Z is not enough to meet the specification! Is likely to not work, then I suggest a circuit at the translation level your 1.7 v to 5 v signal, then you could detect it have more luck

I hope this helps!

Tags: NI Hardware

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