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Public Relations

Product Introduction

Overview

Tunnel Alarm Control System (TACS)
During on-site work in the tunnel, it detects a train entering the tunnel and sounds an alarm to guide field workers to evacuate safely.
  • Hot standby configuration of main control/field control
  • Field control box control distance : 3.0 km
  • TACS control range: up to 16 field control boxes
  • Power : 220 Vac, 12–48 Vdc
  • I/F protocol
    • - Serial : RS-232, 422, 485
    • - Ethernet : TCP/IP
  • System monitoring through UI
  • Record/save diagnostic log

System Configuration

Detailed Configuration of Field Facilities

Main control panel
  • [Automatic/remote switch] Calculation, communication, power supply unit hot standby system
  • [Train operation monitoring] Real-time communication (serial) connection with electronic interlocking device
  • [Fault diagnosis] Power, communication, I/O data status monitoring
  • [Monitoring] Main control panel processing command/status/data based GUI
Field control panel
  • [Reliability, availability] Calculation, communication, I/O processing control rack hot standby system
  • [Maintainability] Modularization of configuration boards for each function
  • [Safety] Implementation of communication-based fail-safe operation and support for system testing
Switch box
  • Cold-rolled stainless steel sheet
  • Protection level : IP55
  • Input power : DC 24[V]
  • Status display lamp : 3 bulbs
  • Push switch : 3 (with/without inspector/system check)
Warning light/alarm
  • Outdoor sealed type
  • Protection level : IP66
  • Input power : AC 220 V
  • Yellow LED lamp
  • Brightness of warning light : 25 lx or higher, 60 to 80 flashes per minute
  • Alarm volume : over 80 dB