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  5. Industrial Communication Buses

Industrial Communication Buses

NI industrial communication buses support protocols like DeviceNet, CANopen, Serial, and I2C/SPI, enabling seamless integration with DUTs and third-party equipment. They connect NI systems to factory networks for HIL testing, real-time monitoring, and deterministic control, with NI  software like LabVIEW and VeriStand simplifying automation and analysis.

View DeviceNet products
View Fieldbus products
View I2C/SPI products
USB-8452 I²C/SPI Interface Device

What Industrial Communication Bus Hardware Is Right for You?

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CANopen

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An NI Partner is a business entity independent from NI and has no agency or joint-venture relationship and does not form part of any business associations with NI. 

NI-9871 C Series Serial Interface Module

Options for CANopen, DeviceNet, Fieldbus, Serial and I2C/SPI Standards

NI industrial communication bus hardware includes options for common industrial standards, including CANopen, DeviceNet, Fieldbus, Serial, and I2C/SPI. Choose options with up to four ports and baud rates up to 3.68 Mbits/s.

USB-8452 I²C/SPI Interface Device

Board-Only Options

NI provides board-only options without the enclosure to accommodate OEM applications where you can create your own custom device housing. You can select a non-enclosed option to purchase a board-only option.

DeviceNet
Fieldbus
I2C/SPI
Serial
GPIB, Serial, and Ethernet
Vehicle Communication Buses
Avionics Communication Buses
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Instrument Fundamentals Guide

Get the most out of your measurements by adopting these best practices in acquiring, generating, and interpreting analog and digital signals.
Download the guide

Industrial Communication Buses Fundamentals

Terminology

Comparison of FOUNDATION Fieldbus and Traditional Systems
Specifications Explained: C Series Modules

Benefits of Choosing PXI

Overview of PXI
NI PXI Timing and Synchronization Design Advantages

NI Software for Industrial Communication Buses

Selecting Industrial Communication Bus Software


NI industrial communication bus hardware includes a driver that includes APIs for NI LabVIEW and other text-based programming languages. 

NI LabVIEW

NI LabVIEW is a graphical programming environment that provides unique productivity accelerators for test system development, such as an intuitive approach to programming, connectivity to any instrument, and fully integrated user interfaces.


Industrial Communication Bus Resources

Download NI-FBUS Configurator Software

Download driver for NI Fieldbus devices

Download NI-845x Driver Software

Download driver for NI-845x models

Download NI-Industrial Communications for CANopen

Download driver for NI CANopen interfaces

Fieldbus

FOUNDATION Fieldbus Operational Modes
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Get Help from an NI Partner

The NI Partner Program offers domain, application, and overall test development expertise to help your team get ahead and stay ahead. Connect with our global community of trusted NI Partners ready to give your business a competitive edge.
Find a partner

Frequently Asked Questions About Industrial Communication Bus Products

  • Industrial communication buses are used to link test systems with factory equipment, sensors, and controllers so data can flow between them. In test and measurement, these buses let engineers monitor machine performance, validate control logic, and automate processes. Protocols like OPC UA ensure reliable, real-time communication for accurate testing.

  • When choosing an industrial communication bus, engineers should look at the protocols they need to support (like OPC UA), the required data speed, and whether the bus can handle real-time communication for control or simulation. Integration with test software, scalability for future expansion, and compatibility with existing equipment are also key factors.

  • NI industrial communication buses make it easier to connect test systems with factory equipment and third-party devices. They support common protocols like OPC UA, so you don’t need to write custom code. These solutions feature straightforward integration with NI software like LabVIEW and VeriStand, helping you automate tests, monitor systems in real time, ensure reliable data exchange, and maintain performance for accurate results.

Download NI-Industrial Communications for DeviceNet

Download driver for NI DeviceNet interfaces

Download NI CompactRIO

Download driver for NI serial interfaces
Add USB-8486 Support by Updating Firmware Using NI-FBUS 15.0 and Earlier
Introduction to FOUNDATION Fieldbus Scaling