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Elpro 805U-D Radio Modem

Elpro 805U-D Radio Modem

SKU: Elpro805U-D

Wireless serial modems allow RS232 and/or RS485 serial host devices to communicate transparently. Messages are routed between devices as broadcast or controlled mode.

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The Elpro 805U-D radio modem provides RS232 or RS485 connections by radio.

It is a low cost wireless alternative for linking PLC’s, data loggers, supervisory computers and intelligent transducers.
The 805U-D has been designed to be easy to use and simple to install. It uses a low power 868MHz radio which does not require a radio licence in most European countries or South Africa.

The module is fully integrated with radio, power supply, serial ports and microprocessor controller housed in a strong industrial aluminium case.

  • Licence-free 868MHz radio band (Europe/South Africa)
  • Wireless data up to 76.8Kbps
  • Typical line of sight 5km (@ 500mW)
  • Configuration by Hayes AT commands or Windows Configuration software
  • Radio data rate up to 76 800 bits/sec
  • Seperate RS232 / RS485 ports up to 115.2Kbps
  • Single hop distance 5 km line-of-sight
  • Repeater function for longer distances, unlimited repeater hops
  • Forward error correction, CRC error checking with ARQ
  • Turn-around time 5 msec
  • Radio signal strength and BER indication
  • Transparent broadcast mode, peer to peer
  • Addressed mode, multipoint and point-to-point
  • Low power mode with DTR control
  • On-line "dial-up" control using AT commands
  • Repeater functionality in all units
  • Repeater routing via address selection
  • Security against cross-talk between systems

Indicative Applications

  • PLC networks
  • Data logger communication
  • Agriculture sprayer control
  • Water/waste water systems
  • SCADA networks
  • PLC networks
  • Data logger communication
  • Agriculture sprayer control
  • Water/waste water systems
  • SCADA networks

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