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Railway Signaling System

Configuration of
Railway Signaling System

The Railway Signaling System consists of the Central Control Room (ATS),
the Station Signaling Equipment Room and the wayside facility.

철도신호시스템 구성

Devices and functions of
the Railway Signaling System

Device Function Remark

ATS

Automatic Train Supervision
  • Management of Train schedule
  • Supervision and control of train operation
 Non-vital function

ATP

Automatic Train Protection
  • Real-time tracking of train location
  • Determination of train movement authority
  • Creation of the speed profile
  • Train speed supervision and emergency braking
 Vital function

ATO

Automatic Train Operation
  • Control of train speed
  • Control of precise stop position
  • Door open control
  • Interface with train and onboard equipment
 Non-vital function

EIE

Electronic Interlocking Equipment
  • Control of train route
  • Control of point machine and signal
 Vital function

  • ATS

  • Station Signaling Equipment Room

Functions

자동열차감시장치(ATS) 기능

Configuration and
function of the ATS

Device Detailed functions

TCC

Main Server
  • Monitor and control train operation in real time
  • Automatic or manual control of the local signaling equipment
  • Automatic train operation control by train schedule
  • Record and manage train operation status

MSC

Schedule Server
  • Train schedule management
  • Train operation performance management
  • Backup function of the TCC in the case of a failure of the TCC

Console
  • Operator console for monitoring and controlling train operation
  • Supervisor, operator, maintainer, Train supervision and schedule control

Interface Equipment
  • Performing communication interface with external ATS facilities
  • Train Information Dispatch System(TIDS), SCADA, master clock Weather Surveillance, CCTV
  • Communication server or CDTS(Center Data Transmission System)

Large Display Panel
  • Display of train operation status
  • Wall controller and DLP

Communication Equipment/Printing Device
  • Composition of the communication network between facilities in the CCR(Central Control Room)
  • Various printing and floating devices

Configuration and function of
the Station Signaling Equipment Room

Device Detailed functions

EIE

Electronic Interlocking Equipment
  • Receive operator control commands and control commands from ATS
  • Automatic control of adjacent signal facilities using train movement information (Track circuit, switch, signal, etc.)
  • Send control results and status to ATS

Communication Interface Equipment
  • Performing communication interface between ATS and Station Signaling Equipment Room
  • LDTS(Local Data Transmission System) or IFS(Interface system)

LCC

Local Control Console
  • Monitoring and controlling the operation of trains in areas controlled by electronic interlocking systems at interlocking stations
  • Train and signal equipment control after obtaining control over this section, if needed by the operator or failure of the ATS

Wayside ATP/ATO Equipment
  • Train protection and automatic operation of trains
  • Creation of a train speed profile
  • Determination of train movement authority(MA)
  • Train speed supervision and braking
  • Automatic train operation and precise stop position control
  • Train speed control

ATO/ATP System

ATO/ATP 시스템