National Instruments NI 9411 Getting Started Guide

Tip Refer to the device datasheet at ni.com/manuals
for the digital logic levels.
Connecting an Encoder to the NI 9411
An encoder has phase A, phase B, and index signals. Use the
phase A signals to measure rotational speed. Use the phase B
signals to measure direction. Use the index signals to measure the
number of rotations. You can connect differential and single-
ended encoders to the NI 9411.
NI 9411 Getting Started Guide | © National Instruments | 15

National Instruments NI 9411 Specifications

General

Brand	National Instruments
Model	NI 9411
Category	Control Unit
Language	English