How to Read Data from Weidmüller Modules


As shown above, it is possible to directly read input values that support Modbus TCP communication without the aid of a PLC or similar device.

After the data is read, it can be recorded, analyzed and sent to the cloud.

  • SMX-RNS02
  • Weidmüller UR20-FBC-MOD-TCP-V2 : Modbus TCP Remote IO Module
  • 24V Power Supply
  • Ethernet Cable (1m)
  • Arrange the power supply, SMX-RNS02 and Weidmüller modules on the rail as shown in the photo
  • Connect SMX-RNS02 (LAN1) and Weidmüller communication module with Ethernet cable
  • Configure the communication parameters of the Weidmüller module as shown below.

  • Make power connections of SMX-RNS02 and Weidmüller communication module (24V)
  • Energize the power supply
  • Open the Remote-IO application running on SMX-RNS02
    • You can reach the web interface from the service port via cable, wireless accessory or over remote connection.
    • Type http://192.168.169.254:8080 in your browser and press Enter
    • Enter your username and password on the login page
  • You can refer to the related user documentation for the Remote IO
  • You can follow the steps shown in the photos below in order.


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