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S20 (IP20)

I/O system for the control cabinet

  • Compact, modular, and simple
  • Space-saving I/O technology for DIN rail mounting
  • Individually combinable modules
  • Innovative assembly and installation concept

Additional information


    S20 in protection class IP20 is the flexibly scalable I/O toolkit for shortest cycle times as well as the highest precision and ensures a real-time data flow between the control and peripherals – whether locally on the XM control or as a decentralized I/O station.


    Fieldbus couplers

    • Sercos
    • PROFINET RT, PROFIBUS
    • Ethernet, EtherNet/IP, EtherCAT®

    Analog input modules

    • For the acquisition of analog signals
    • Current and voltage measuring ranges
    • 4 or 8 channels
    • Measured value display 16 bits
    • Connection of sensors in 2-wire technology

    Analog output modules

    • For the output of analog signals
    • Current and voltage measuring ranges
    • 4 or 8 channels
    • Overload and short-circuit protected
    • Connection of actuators in 2-wire connection technology

    Digital input modules

    • For the acquisition of digital signals
    • 24 V DC, 2.4 mA
    • Connection of sensors in 1-, 2-, 3- and 4-wire technology
    • Minimum update time < 100 μs, bus synchronous
    • Maximum input frequency: 5 kHz

    Digital output modules

    • For the output of digital signals
    • 24 V DC/0.5 A or 0.2 A per channel
    • Short-circuit-proof outputs
    • Connection of actuators in 1-, 2-, or 3-wire connection technology

    Technology modules

    • For the acquisition of encoder positions (SSI or incremental encoders)
    • Counting of pulses
    • Control of hydraulic axes
    • Control of valves with PWM
    • Bus-synchronous I/O processing

    Temperature modules

    • For the acquisition of resistive temperature sensors or thermocouples
    • 4 or 8 inputs
    • Overload and short-circuit protected
    • Connection of actuators in 2-, 3-, or 4-wire connection technology

    Boost modules

    • Backfeed from UBus within a S20-station

    Communication modules

    • For connecting serial interface devices
    • Baud rates up to 250 kBaud
    • RS-232 and RS-484/422
    • Multi-protocol support
    • Certified KNX master

    Safety modules

    • Safety-oriented inputs and outputs
    • SIL 3 according to EN 61508
    • SIL CL 3 according to EN 62061
    • Category 4/PL e as per EN ISO 13849-1
    • CIP Safety on Sercos


    Subject to change, status 2019-05-08 19:29:15