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  • BSI
    BS EN IEC 61158-4-4:2019 Industrial communication networks. Fieldbus specifications - Data-link layer protocol specification. Type 4 elements
    Edition: 2019
    $526.05
    / user per year

Description of BS EN IEC 61158-4-4:2019 2019

1.1 General

The data-link layer provides basic time-critical messaging communications between devices in an automation environment.

This protocol provides a means of connecting devices through a partial mesh network, such that most failures of an interconnection between two devices can be circumvented. In common practice the devices are interconnected in a non-redundant hierarchical manner reflecting application needs

1.2 Specifications

This document specifies

  1. procedures for the timely transfer of data and control information from one data-link user entity to a peer user entity, and among the data-link entities forming the distributed datalink service provider;

  2. the structure of the fieldbus DLPDUs used for the transfer of data and control information by the protocol of this document, and their representation as physical interface data units.

1.3 Procedures

The procedures are defined in terms of

  1. the interactions between peer DL-entities (DLEs) through the exchange of fieldbus DLPDUs;

  2. the interactions between a DL-service (DLS) provider and a DLS-user in the same system through the exchange of DLS primitives;

  3. the interactions between a DLS-provider and a Ph-service provider in the same system through the exchange of Ph-service primitives.

1.4 Applicability

These procedures are applicable to instances of communication between systems which support time-critical communications services within the data-link layer of the OSI or fieldbus reference models, and which require the ability to interconnect in an open systems interconnection environment.

Profiles provide a simple multi-attribute means of summarizing an implementation’s capabilities, and thus its applicability to various time-critical communications needs.

1.5 Conformance

This document also specifies conformance requirements for systems implementing these procedures. This document does not contain tests to demonstrate compliance with such requirements.



Standard NumberBS EN IEC 61158-4-4:2019
TitleIndustrial communication networks. Fieldbus specifications - Data-link layer protocol specification. Type 4 elements
StatusWithdrawn
Publication Date2019-07-10
Withdrawn Date2023-05-24
ReplacesBS EN 61158-4-4:2014
Replaced ByBS EN IEC 61158-4-4:2023
Identical National Standard OfEN 61158-4-4:2019, IEC 61158-4-4:2019
DescriptorsFieldbus, Data link layer (OSI), Data transmission, Communication networks, Communication procedures, Process control, Computer networks, Bus networks, Interfaces (data processing), Automatic control systems, Open systems interconnection, Industrial
ICS35.110 Networking, 35.100.20 Data link layer, 25.040.40 Industrial process measurement and control
CommitteeGEL/65/3
ISBN978 0 539 04856 8
PublisherBSI
Pages52

The following editions for this book are also available...

About BSI

BSI Group, also known as the British Standards Institution is the national standards body of the United Kingdom. BSI produces technical standards on a wide range of products and services and also supplies certification and standards-related services to businesses.
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