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RF interface unit

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Overview

Wireless Telemetering and Telecontrol system
Supervisory Control and Data Acquisition System(SCADA)
Distributed Control System(DCS)
Various PLC Wireless Control

Configuration

  • Radio
  • RF INTERFACE UNIT
  • RS232C communication control
  • board
  • Power unit
  • 19" Rack-Mount Type
  • Battery : 10AH

Radio

  • Communication method : VHF
  • Distance : 15Km from base station
  • Frequency band : VHF(138 ~ 174Mhz)
  • UHF(403 ~ 470Mhz)
  • Channel : 99
  • Output : 10W, 20W
  • Peak Deviation : ±0.00005% or less (below 3PPM)
  • Sensitivity : below 0.5㎶ (20dB NQ)
  • Antenna impedance : 50Ω
  • Selectivity : 70dB
  • Vibration and impact conditions : IEC 68-2-55

RF INTERFACE UNIT

  • Modulation : Gaussian minimum shift key(GMSK)
  • Communication : Full Duplex of Half Duplex
  • Data rate : 4800bps / 12.5KHz BW, 9600bps / 25KHz BW
  • Interface : RS-232C DB25F
  • Data Line : RTS, CTS, TXD, RXD, DCD
  • GMSK Signal Input Level : 50~300mV rms
  • Operation Temperature : -20℃~60℃

RS232C communication control board

  • Control board for wireless data communications using a wired modem and radio
  • DC/DC Converter (input 12V, output 5V/2.5A) built-in
  • DC/DC Converter (input 12V, output ±12V/0.5A) built-in
  • CONSOLE port built-in
  • Output : 10W, 20W

Power unit

  • Input : AC 110/220V
  • Output : 12V/12A
  • size : 9.3 x 6.5 x 19.9cm