How to Wire Encoders for NEMA 23 and NEMA 34 Motors

Updated Oct 27, 2020



  • Quadrature Encoder

I've recently bought a quadrature encoder for my NEMA stepper motor supplied by National Instruments and I was wondering what its pinout was?

The Wire Description and Quadrature Waveform for NI Part Number 780251-01 and 780252-02 are as follows:

Wire Description

Quadrature Waveform