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RF interface unit

RF interface unit

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

Feature

  • 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