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Rail signal device

Rail signal device

Computer-Based Interlocking

KOREA RAIL STANDARD CBI

The KOREA RAIL STANDARD CBI is a signal control system designed to prevent train collision through the interlocking of track circuits, switch machines and signals operating on a fail-safe principle.

It complies with KRS standards, features a highly efficient Dual System architecture, and has been proven reliable through successful deployment in numerous domestic projects over several years.

Features

  • Easy system upgrades via Flash ROM application

  • Self-diagnostic function of vital relays to check output failures

  • Fully redundant system (logic & I/O units) for maximum availability

  • High-speed CAN communication for enhanced CPU performance and communication stability

  • Separation of logic and I/O units for distributed CBI (Computer-Based Interlocking)

  • Control capacity of over 250 field devices per single CBI system

Configuration

Specifications

  • CPU Module, COM Module, IOC Module: Equipped with safety MCUs based strictly on dual-core architecture (MCU : RM48L952-ZWT)
  • Input/Output Module: Utilizes safety (MCU : RM42L432PZ)
  • High-Speed Link (HSL): Ensures fast communication between the external CPU module or between the CPU and COM modules
  • CAN Communication: Enables serial communication between CPU and IOC modules
  • I/O Capacity: Each I/O board supports 32 input/output processes with support for up to 16 boards per system
  • System Power Input: AC 110~220V, 60Hz
  • System Power Output: DC 24V / 30A
  • Operating System: SafeRTOS

Computer-Based Interlocking

EN STANDARD CBI

The Electronic Interlocking (EIE) is a vital system that performs logical control to ensure the safe operation of trains. It is a SIL4-certified product that complies with international safety standards and has been proven for reliability through application in both domestic and international projects.

ZEST EI is a core vital system responsible for the safe operation of trains. With a redundant 2oo2 architecture and database-driven interlocking logic, it supports a wide range of interfaces including Ethernet, Serial, CAN, and Dry-contact. Its reliability and stability have been validated through numerous domestic and international projects.

Features

  • Easy system upgrades enabled via Flash memory applications
  • Self-diagnostic function of vital relays to monitor output failures
  • Fully redundant architecture for maximum availability (interlocking logic & I/O units)
  • High-speed CAN communication ensures superior CPU performance and communication stability
  • Separation of interlocking logic and input/output units for distributed CBI systems
  • One CBI unit capable of controlling over 250 field devices

Configuration

Specifications

  • SIL4-certified CPU module featuring a safety MCU (RM48L952-ZWT) with strict dual-core architecture

  • COM Module featuring Quad-Core KeyStone II AM5K2E04 Processor

  • Optimized VME bus communication : Between CPU Module and CoM Module [ILS]

  • Optimized VME bus communication : Between CPU Module and I/O Module [IOS]

  • Up to 16 I/O channels per module (CH A & CH B); supports installation of up to 16 I/O boards per system

  • Power Input: AC 110–220V, 60Hz / Output: DC 24V, 20A

  • Module Input: DC 24V / Output: DC 5V, 30A

  • SafeRTOS

Computer-Based Interlocking

IP-BASED ELECTRONIC INTERLOCKING DEVICE 

An IP-based electronic interlocking system analyzes, controls and displays the interlocking conditions between devices such as signals, track circuits, switch, and block systems and transmits information using the IP method.

Features

  • Expand interface function with systems in other fields by implementing it as a distributed system through network communication
  • Build a fail-safe function that can be operated on the safety side
  • Application of SIL-4 Electronic Interlocking System (EIS) with proven reliability and safety

Configuration