Web-IO 4.0 Digital, 1x230V In, 1xRelay Out

Web-IO 4.0 Digital, 1x230V In, 1xRelay Out

Web-IO 4.0 Digital 230V switching signals controlled, acquired and monitored over TCP/IP Ethernet.

Switch, monitor and count ...

With the Web-IO 4.0 Digital 230V switching signals controlled, acquired and monitored over TCP/IP Ethernet. Numerous Web and network services are available for reporting changes on the input and output - including directly in the browser. With protocols such as MQTT and REST the Web-IO is an ideal fit in the world of Industry 4.0 and the Internet of Things.


Switching signals:

  • 1 switching input:
    • Digital input, 230V
    • 32-bit event counter
  • 1 switching output:
    • Potential-free output for 230V mains voltage
    • Switching currents up to max. 16A


  • Intuitive Web interface for simpler operation
    • Select between German or English
    • Switching the outputs directly from the Web interface
    • Adaptation for smartphone
    • HTTP and HTTPS
  • Current Industry 4.0 protocols:
    • REST and MQTT support
  • Box-to-Box
    • Pass switching signals over the network 1:1
  • Alarm and reporting functions:
    • Email for alarm sending or as status report
    • SNMP polling / alarm traps
    • Switching your outputs in alarm situations
    • Switching the outputs on another Web-IO
    • HTTP requests for controlling third-party devices
    • Up to 12 actions can be configured
  • Dynamic integration into other Web sites:
    • Direct access to current measurement values via HTTP requests. AJAX and JavaScript
  • Additional software interfaces for incorporating into your systems/databases:
    • OPC
    • Modbus TCP
    • Syslog
    • TCP and UDP sockets, client and server
    • FTP (data logging)
  • Internal clock
    • Time synchronization via time server calibration
    • Battery-backed device clock
  • Possible applications:
    • Remote monitoring and fault messaging
    • Cross-location switching
    • House and building automation
    • Process monitoring and visualization
    • Light, gate and cabinet control
    • Machine Data Collection (MDC)
    • More uses can be found here.

Power supply:

  • External
    • Screw terminal
    • 110 - 230V AC (50/60Hz)

Standards & more

  • Conforms to standards both in office and industrial environments:
    • High noise resistance for industrial environments
    • Low noise emission for residential and business areas
  • 5 year guarantee



Units in box: 1