IEC 61375-3-4:2014 PDF

Name: IEC 61375-3-4:2014 — Electronic railway equipment - Train communication network (TCN) - Part 3-4: Ethernet Consist Network (ECN)
SKU: IEC 61375-3-4:2014
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Electronic railway equipment - Train communication network (TCN) - Part 3-4: Ethernet Consist Network (ECN)

Название (английский):

IEC 61375-3-4:2014

Electronic railway equipment - Train communication network (TCN) - Part 3-4: Ethernet Consist Network (ECN)

Статус документа:: Действующий
Формат:: Электронный (PDF)
Количество страниц:: 249
Дата публикации:: 19 марта 2014 г.
Издание:: IEC IS 61375 edition 1 version 1
ICS:: 45.060.01

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Описание (английский):

IEC 61375-3-4:2014 specifies the data communication network inside a Consist based on Ethernet technology, the Ethernet Consist Network (ECN). The applicability of this part of IEC 61375 to the Consist Network allows for interoperability of individual vehicles within Open Trains in international traffic. This part of IEC 61375 may be additionally applicable to closed trains and Multiple Unit Trains when so agreed between purchaser and supplier.

Abstract

Похожие стандарты

Стандарты, упомянутые в описании

Overview

IEC 61375-3-4:2014 is an international standard developed by the International Electrotechnical Commission (IEC) that defines the specifications for the Ethernet Consist Network (ECN) used in electronic railway equipment. This standard is part 3-4 of the Train Communication Network (TCN) series and focuses on implementing reliable data communication within a consist - a set of connected railway vehicles - using Ethernet technology. The ECN standard ensures seamless interoperability of individual vehicles within "Open Trains" in international railway traffic, facilitating standardized communication protocols for enhanced safety, reliability, and efficiency in train operations. It can also apply to closed trains and Multiple Unit Trains based on specific agreements between purchaser and supplier.

Key Topics

Network Architecture and Topology IEC 61375-3-4 specifies the internal structure and network topology of the Ethernet-based Consist Network. It includes detailed definitions of network device types, consist switch classes, and end device classes, ensuring proper communication pathways and interfaces.

Data Communication Classes and Quality of Service The standard categorizes data classes and defines quality of service (QoS) parameters such as priority levels, ingress rate limiting, and egress rate shaping. These provisions guarantee real-time data transmission and prioritization critical in railway safety and control systems.

Redundancy and Reliability Essential for railway applications, redundancy mechanisms at network and end device level are specified to ensure continuous operation even in the event of hardware or communication failures. Various network topologies such as linear, ring, and ladder are discussed, with reliability analyses to support system robustness.

IP Addressing and Network Configuration Management The document outlines IP address management schemes including local consist subnet addresses, group addresses, and DHCP configuration. Network management functions allow dynamic or static network configuration, enhancing flexibility for diverse railway system requirements.

Gateway and Interface Definitions Detailed requirements for physical, link, network, transport, and application layer interfaces are provided to facilitate seamless data exchange between consist components and other train networks such as the Wire Train Bus (WTB) or Ethernet Train Backbone (ETB).

Conformance Testing and Protocol Definitions To support standardized implementations, the standard includes test criteria along with normative protocol definitions for transceivers and ladder topology messaging, ensuring compatibility across manufacturers and deployments.

Applications

Open Trains in International Traffic By standardizing Ethernet-based communication within consist vehicles, IEC 61375-3-4 enables interoperability of train components from different suppliers internationally, supporting cross-border rail operations.

Closed and Multiple Unit Trains The standard may be applied to closed trains and Multiple Unit Trains when agreed by stakeholders, providing a flexible communication network solution adaptable to various train configurations.

Safety-Critical Onboard Systems Reliable data exchange with built-in redundancy and QoS supports vital train control systems such as braking, signaling, and diagnostics to maintain safe and efficient operations.

Real-Time Data Communication Designed for time-sensitive railway applications, the ECN facilitates robust and prioritized communication for control commands, monitoring, and passenger information systems.

Network Management and Maintenance Standardized network management protocols enable operators to configure, monitor, and maintain consist communications effectively, reducing downtime and improving operational efficiency.

Related Standards

IEC 61375-1 - Overall framework and architecture for the Train Communication Network (TCN).

IEC 61375-3-2 - Ethernet Train Backbone (ETB) specifications that complement the ECN by handling communication at the train level.

IEC 61375-2 - Wire Train Bus (WTB) physical and data link layer specifications, often interfaced via gateways defined in ECN.

IEEE 802.3 - Underlying Ethernet physical and data link layer standards leveraged within the ECN framework.

Keywords: IEC 61375-3-4, Ethernet Consist Network, ECN, Train Communication Network, TCN, railway Ethernet, train data communication, railway interoperability, train safety systems, railway network redundancy, train IP network management, railway communication standard, Open Train interoperability, multiple unit trains communication.

IEC 61375-3-4:2014 PDF

Abstract

Похожие стандарты

Overview

Key Topics

Applications

Related Standards

Технические детали

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