phase of implementation until the certification

PROFINET - The Leading Industrial Ethernet Protocol

With its real-time communication capabilities PROFINET is the leading Industrial Ethernet protocol for communication between devices in industrial automation systems. It ensures reliable data transmission, supports various network topologies, and provides device configuration and diagnostics. 

PROFINET enhances productivity, efficiency, and flexibility in industrial processes. Be part of our community.
nodes in total
new nodes

as of 2023

PROFINET Community Forum!

Connect with experts, exchange ideas, and explore industrial connectivity. Join the discussions regarding automation challenges with our international PROFINET community. Ask your questions, in English or your local language, and drive forward the revolution in industrial connectivity today! 

Most Discussed Topics


Join the PROFINET Community Forum!

phase of implementation until the certification

PROFINET Explained

Explore PROFINET, the leading Industrial Ethernet standard. Understand how it works, the underlying technology, its benefits and differentiators, its applications, support, the test & certification process for highest degree of interoperability, and stay updated on future events and training opportunities.


Learn more


Get an overview with the roadmap and discover valuable innovations that are set to revolutionize industrial communication.

New Record Figures for PI Technologies
PI Press

In its annual survey of newly installed nodes, PROFIBUS & PROFINET International (PI) reports outstanding growth figures for its technologies. PROFIsafe and IO-Link in particular are showing impressive increases. Despite challenging market conditions, the other PI technologies also maintained their high growth rates.

An Anniversary Year for the PNO
PI Press

35 years ago, on December 11, 1989, the PROFIBUS Nutzerorganisation e. V. (PNO) was founded in Frankfurt am Main, Germany to promote the standardization and technology of fieldbus systems.

PI Standards For Interoperability
PI Press

How can I securely and reliably get data out of a system, machine or field device to the place where it will be processed? Answers to this question will be provided by 60 member companies of PROFIBUS & PROFINET International (PI) at this year’s Hanover Fair. 

Highlights & Differentiators

Vertical Communication

PROFINET enables field level-based IO communication as well as TCP/IP communication over the same cable and in a consistent way.

All Industries

PROFINET is the leading industrial automation protocol for all manufacturing industries. It fulfills the communication technology requirements of discrete manufacturing industry processes including drive applications as well as the ones of the process industry processes including intrinsic safety applications.

Communication Technology & Information Models

PROFINET covers the communication technology level as well as information models, including detailed and meaningful diagnostics.

Join our Trainings/Events