How to Wire Encoders for NEMA 23 and NEMA 34 Motors

Updated Apr 8, 2019

Reported In


  • Quadrature Encoder

Issue Details

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