SR EN 61158-5-20:2015

Industrial communication networks - Fieldbus specifications - Part 3-20: Data-link layer service definition - Type 20 elements

IEC 61158-5-20:2014 defines the services provided to the FAL user at the boundary between the user and the application layer of the fieldbus reference model, and Systems Management at the boundary between the application layer and Systems Management of the fieldbus reference model. This standard specifies the structure and services of the IEC fieldbus application layer, in conformance with the OSI Basic Reference Model (ISO/IEC 7498-1) and the OSI application layer structure (ISO/IEC 9545). This third edition cancels and replaces the second edition published in 2010 and constitutes a technical revision. The main changes are: - added Data types; - added services; - updated the Normative references, Terms, definitions, symbols, abbreviations; - corrected the editorial errors and the text.

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General information

Status : Valid
Approval date : 5/29/2015
Number of pages : 60
ICS : 25.040.40 Industrial process measurement and control,35.100.70 Application layer,35.110 Networking
Technical Committee : 23 - Industrial -process measurement and control

Relations with other standards:

Replaces SR EN 61158-5-20:2012
Normative reference SR EN 61158-1:2015
Normative reference SR EN 62591:2011
Normative reference SR ISO/CEI 7498-1:1998