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Bihl+Wiedemann is a mid-size owner-operated company founded in 1992 by Jochen Bihl and Bernhard Wiedemann in Mannheim, Germany. We develop and manufacture complete automation solutions for functional safety and for data communication in machines and plants. Our products are in use worldwide across diverse sectors, by leading manufacturers of consumer and capital goods.

 

Primarily, we want to be an innovative partner for our customers: using our development expertise to meet individual requirements.

 

Leading the Way with AS-Interface Since 1995

Bihl+Wiedemann is a leader in the field of automation and safety technology with AS-Interface (ASi). We played an important role in the development of each ASi generation. Our ASi Master was the first such system to be awarded a certificate in 1995 from AS-International e.V., the ASi organization with 300 national and international partners. We also played a pioneering role in the market launch of ASi-5 devices in 2019. The latest ASi generation now allows larger data volumes to be transmitted much faster. We have been among the leading providers in the area of functional safety using ASi Safety at Work for almost 15 years.

 

Our complete ASi product portfolio covers Master/Gateways, Modules/Slaves, Safety Components, Bus Couplers/Master Simulators as well as in-house developed software.

Jochen Bihl and Bernhard Wiedemann

CEOs

International Subsidiaries and Sales Partners

A combination of innovative strength and long-standing customer relationships has enabled us to grow continuously for many years. In addition to our headquarters in Mannheim, Bihl+Wiedemann owns subsidiaries in the USA, China, Turkey, Denmark and Spain. We are now also represented by international sales partners in more than 30 countries.

Bihl+Wiedemann headquarters in Mannheim

Represented in Numerous Sectors

More and more companies across diverse sectors are now choosing ASi solutions from Bihl+Wiedemann for automation of their plants and systems. The open bus system is particularly widespread in industrial automation, material handling and OEMs.

 

Application Areas of AS-Interface

 

Technological Principles

AS-Interface

AS-Interface (ASi) is a globally standardized fieldbus system for the first level of automation. ASi connects sensors and actuators with a controller via a single two-core flat cable. The yellow ASi cable transmits power and data at the same time. The main benefits of ASi are, among others, dramatically less wiring, free choice of topology and cost-efficient integration of safety on the same infrastructure. The latest ASi-5 generation can now handle larger data volumes at much higher transmission speeds and it enables intelligent sensors such as IO-Link to be integrated with ease.

 

More about the AS-Interface

ASi Safety at Work

Safety-related aspects play an important role in an increasing number of automation solutions, especially where hazardous movements pose a safety risk to humans. Regulations in this regard are set out, for instance, in the EU Machinery Directive (Directive 2006/42/EC) or in the occupational safety regulations of the respective countries. Thanks to the Safety at Work concept of the AS-Interface, safety-related components, such as safe sensors and actuators as well as safety monitors, can be seamlessly integrated into almost all commonly used automation systems.

 

More about ASi Safety at Work

What sets Bihl+Wiedemann apart

DIN EN ISO 9001 certified

Quality management according to DIN EN ISO 9001.

The AS-Interface Masters

Professional partner for AS-Interface solutions.

Personal expert
advice

Available in person at
any time.

Customized product solutions

Realization of specific automation solutions.

Certified according to DIN EN ISO 9001

Assuring consistent quality has always been of utmost importance for Bihl+Wiedemann. The company is DIN EN ISO 9001 certified.

The current certificate can be viewed here (PDF)