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GPRS REMOTE TERMINAL UNIT

WDM203

WDM203 is an intelligent active GPRS Remote Terminal Unit.

Powered by high performance 32 bit CPU, WDM203 is designed for the demanding industrial applications.

It features GPRS/GSM module with RS-485 input. It can be used in M2M application to transfer local I/O or Modbus RTU device data by GPRS at predefined intervals. This information is transmitted in real time using the GPRS network of any commercial service provider to a Web-based Server. Necessary reports can be generated and viewed or printed using data stored in cloud.

WDM203 is an well suited for monitoring and management of distributed equipment and facilities. Typical applications include remote process monitoring and remote device management.

  • 3 x 4-20mA and pulse inputs (maximum frequency 50Hz)
  • Allows up to 8 Modbus RTU slave devices connections at slave side
  • Maintenance-free system
  • Supports GPRS network automatic re-connection function
  • Supports both keypad and windows based utility for configuration of parameters
  • Frequency bands : SIM900A Dual-band : EGSM900, DCS1800. The SIM900A can search the 2 frequency bands automatically
  • Transmitting power
  • Class 4 (2W) at EGSM 900
  • Class 1 (1W) at DCS 1800
  • GPRS connectivity
  • GPRS multi-slot class 10 (default)
  • GPRS multi-slot class 8 (option)
  • GPRS mobile station class B
  • Data storage when no network available & when network resume, then it sends all stored data to server automatically
  • WDM203 sends acquired data to the remote Web-based server at predefined interval of time
  • Acquisition at Radix Server (radix.biz) OR user server optionally
  • This data can be accessed by the customer from anywhere in the world using the internet
  • Easy viewing and management system
  • Data export in PDF & EXCEL format to see history
  • 2000 volt isolation between Input, Supply, RS485 master port, RS485 slave port

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