Automation economical and easy

with AS-Interface

Welcome to AS-Interface, the efficient, easy, and worldwide standardized bus system for the lower field level.




The countdown is running! AS-International live at Hannover Messe 2023 - from 17th to 21st April!

Meet our co-exhibitors Bihl+Wiedemann, CELPIA, ifm, Pepperl+Fuchs, SEW and Siemens at our booth.

Register for your free ticket here: Invitation to Hannover Messe

We look forward to see you soon in hall 9, booth D06 at sps!

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The ASi-5 technology opens up new application fields and solution possibilities. To support AS-Interface manufacturers to quickly implement the desired functionality AS-International offers a seminar especially for developers.

The seminar gives product developers a deep insight into the technology. It covers topics like transport channel, device structure, data handling, profiles and transmission behavior. The Hands-On with the Developer-Kit shows the first steps in using the ASi-5 ASIC. The seminar offers know-how that gives the product developer an overview of the possibilities and allows him to get directly involved in the technology.

The seminar will be held in Leipzig on June 14-15.

More details: Invitation Developer Seminar PDF (german)

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Please join us in welcoming Shenzhen INVT Electric Co., Ltd as a new member of the AS-International Association.

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AS-Interface at the INTERPHEX

For 40+ years, the INTERPHEX has been one of the premier events in the pharma and bio industries. Automation technologies take the spotlight in every aspect of the production chain. Besides the exhibition, the INTERPHEX offers a three-day conference and several networking events. Automation professionals can experience the power and simplicity of the AS-Interface technology at our booth. Be our guest and come visit us at booth #3263 from April 25-27, 2023 in NYC.

Free registration

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Reading Sample ASi-5 Compendium

Do you already know the ASi-5 Compendium? In addition to the AS-Interface basics, this book gives you a comprehensive overview of the ASi-5 technology.

Take a read: Reading Sample

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AS-Interface test laboratories are subject to regular audit. From January 26th to 27th the AS-Interface laboratory in Leipzig was examined. In this audit, methods and measuring equipment were checked according to strict criteria. The tests specified in the Traceability and Surveillance Procedure were realized. The assessment was successfully completed.

The AS-Interface test laboratory in Leipzig passed all requirements and the accreditation will now be extended by the AS-International Association.

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on the racing line

Successful communication always follows a clear path. AS-Interface takes this quite literally. It uses a single reverse polarity protected two-conductor cable, carrying power and data, to connect sensors and actuators to the control system of your automation network.


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