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  • AS-Interface system data

    • Master-Slave principle
    • No limitations for the structure
    • Data and power on one, two-conductor cable
    • Medium: unshielded ASi cable 2 x 1.5 mm², transports signals, data and power (up to 8A)
    • Typically, four inputs and four outputs per module, other combinations possible
    • Products with various enclosure ratings for any application, from control cabinet installation to use in harsh industrial surroundings
    • Cable length can be extended using repeaters, bus terminators or extenders
    • Simple commissioning
    • Electronic address setting over the bus
    • Fully downward compatible

    AS-Interface history

    • 1990 – Numerous companies come together to initiate a system for networking sensors and actuators
    • 1991 – Founding of the AS-International Association e.V.
    • 1992 – Development of the first prototype slaves
    • 1994 – First automation solution using AS-Interface
    • 1999 – International standard EN 50295 and IEC 62026-2
    • 2004 – ASi 3.0 specification

    You too can profit from an AS-Interface solution!


    to install, configure, operate and expand


    it’s rugged, noise immune, diagnostics-friendly and cost-effective


    just one cable is used for data and power, can be configured to any topology, highly compatible

    Contact us

    Bihl+Wiedemann GmbH
    Flosswoerthstrasse 41
    68199 Mannheim

    +49 621 33996-0