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Leading with AS-Interface since 1995

In 1995 Bihl+Wiedemann was the first company to receive a certificate from AS-International for their AS-i Master. The Master is now used as a reference for the certification for AS-i slaves. Other milestones in the company's history include the introduction of the first AS-i Master for specification 3.0, the release of the first AS-i Master in a stainless steel housing with expanded diagnostic functions (2004), and the membership in AS-Interface's Safety Consortium (2005). Since then Bihl+Wiedemann is among the top names in the field of safety technology using AS-i Safety at Work.


ASI Master/Gateways

Bihl + Wiedemann has the widest selection of gateways converting ASI to virtually every protocol in the industrial world.



ASI Safety Components

Bihl + Wiedemann has the widest selection of ASI SAFETY components including:

Safety Monitors

Safety I/O


Speed Monitors

Safety Analog Modules




Bihl + Wiedemann has the widest selection of ASI components including:

I/O Modules


Motor Modules SEW Eurodrive Lenze



ASI Power Supplies



Trapp Industrial Sales Engineers have the experience and the training to help you with all of your Bihl + Wiedemann product line applications.

Please visit the “Meet our Reps” page to find your local contact.