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LRr Din-Rail Type I/O Card (Modbus RTU/TCP-IP)


LRR Din-Rail type input-output expansion module, taking up little space in the automation panel, user friendly terminal connection , high speed, 0-10V Analog Output and 0-10V Analog Input, Modbus communication, RS232, RS485 and ModbusTCP communication facilities are widely preferred in industrial automation solutions.
With TCP-IP connection to a standard LRr I / O card, multiple users can connect and manage at the same time. It provides convenience especially for system analysis and field remote manual support.
The buildin voltage measurement module inside the device, can measure the supply voltage.

LPi_firmware-serial LPi_serial_232 LPi_serial-485 LPi_multiconnectionLPi_firmware-eCal 
LPi_firmware-CW LPi_firmware-CWD LPi_firmware-HS LPi_firmware-Batch LPi_temp LPi_ROHSII

pdfLRr Brochure
pdfLRr User Manual


For more information


  • Outer Dimensions; 19x35x104mm
  • Metal aluminium case
  • RS485/RS232/ModbusTCP connection
  • 8 Digital Inputs, 8 Digital Outputs
  • User friendly factory reset button
  • Web interface for setup and adjustments
  • 1 pcc RS232 Communication
  • 1 pcs RS485 Communication
  • Optional 1 pcs Analog 0-10V output
  • Optional 1 pcs Analog 0-10V input

Usage Areas

  • IOT Applications
  • Home automation
  • *Static Control (CW) Applications
  • *Dynamic CheckWeigher (CW) Applications
  • *Impactscale application


  • 0/10V Analog Output.
  • 0/10V Analog Input
  • RS232 Communication


19x35x104mm Din Rail Type Metalic Casing


LRr [Configuration Web Server Interface]

For LRr devices, the browser can be adjusted with a standard PC without the need to install special software.

Update Software

Currently not supported but will be added soon. FW is update software. Update Software Download



Download the installation steps from here you can downloadpdf

For current versions click here.