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Dual-Redundant Jointless AF Track Circuit System

Detects train presence using audio frequencies and supports safe railway operation and efficient train control.

Key Features

  • 01
    Dual-Redundant Module Installation

    The dual-redundant configuration enhances system safety and improves maintenance efficiency.

  • 02
    Maximum Control Distance of Over 2,000 m

    Supports long-distance control of over 2,000 m, contributing to reduced maintenance and construction costs.

Main Components

  • Main Control Unit

    Main Control Unit

    · Consists of an equipment rack, power supply unit, central processing unit, and communication unit

  • Tuning Unit

    Tuning Unit PC

    · Supports four frequencies (A, B, E, F) and enables high-power operation from 100 W to 200 W

  • Transmitter Module

    Transmitter Module

    · Provides standby dual-redundant configuration and common use of four frequencies (A, B, E, F)

  • Receiver Module

    Receiver Module

    · Provides standby dual-redundant configuration and common use of four frequencies (A, B, E, F)

  • Transmission Module

    Transmission Module

    · Reliably transmits dual-redundant status information

  • Power Module

    Power Module

    · Provides parallel dual-redundant configuration and supports high-power DC output from 32 V to 96 V