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Bihl+Wiedemann

🇩🇪 Germany Industrial Sensors

AS-Interface automation, ASi-5, functional safety and data communication solutions for machines and plants.

Bihl+Wiedemann GmbH is a German automation and safety technology company based in Mannheim. Founded in 1992 by Jochen Bihl and Bernhard Wiedemann, the owner-operated company develops and manufactures automation solutions for functional safety and data communication in machines and plants. Bihl+Wiedemann is closely associated with AS-Interface technology and has played an important role in the development of successive ASi generations, including ASi-5.

Products and applications

The Bihl+Wiedemann portfolio includes ASi master gateways, AS-Interface modules, ASi-5 devices, ASi Safety at Work components, safety monitors, bus couplers, master simulators, IO-Link integration and in-house software. Its products are used in machine building, conveyor technology, packaging, food production, automotive manufacturing and plant engineering where simpler wiring, distributed I/O, safe signal integration and reliable industrial communication are important.

Product Categories

ASi Masters & Gateways

ASi Safety Solutions

ASi I/O Modules

IO-Link Masters

ASi Power Supplies

ASi Addressing & Diagnostics

Product Lines & Series

  • ASi-5/ASi-3 Masters & Gateways
  • ASi Safety Monitors
  • ASi Active Distributors
  • IO-Link Master Modules

Products & Components

ASi-5/ASi-3 Profinet gatewaysASi-5/ASi-3 EtherNet/IP gatewaysASi-5/ASi-3 EtherCAT gatewaysASi-5/ASi-3 Profibus gatewaysASi-5/ASi-3 Modbus TCP gatewaysASi-5/ASi-3 Powerlink gatewaysASi safety monitorsASi safety I/O modulesASi digital input modulesASi digital output modulesASi analog modulesASi motor starter modulesASi active distributorsASi IO-Link master modulesASi addressing devicesASi power supply unitsASi cable and accessories

Solutions & Applications

ASi-5 high-speed data transmission for demanding sensorsSafety machine guarding and E-stop networks

Industries Served

PackagingIntralogistics & Material HandlingMachine BuildingBuilding AutomationPharmaceutical

Technologies & Expertise

AS-Interface (ASi-5/ASi-3) protocolIO-Link integration over ASiFieldbus gateway technology (Profinet, EtherNet/IP, EtherCAT)SIL 3 safety monitoring

Certifications & Standards

ISO 9001 ISO 14001 ISO 50001

Company facts

Headquarters
Mannheim, Germany
Founded
1992
Employees
50-250
Ownership
Owner-operated company
Visit website LinkedIn Email +49 621 33996-0

Profile transparency

Data status
Publicly researched profile
Sources
Official website, public company and product pages
Last reviewed
April 2026

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