标准摘要
[中文适用范围]： 本部分IEC 61158标准规定了现场总线的通用概念。本文件还通过以下方式介绍了IEC 61158系列的概览和指南：解释IEC 61158系列的结构和内容；将IEC 61158系列的结构与ISO/IEC 7498-1 OSI基本参考模型联系起来；展示IEC 61784系列的逻辑结构；展示如何将IEC 61158系列的部分与IEC 61784系列结合使用；解释IEC 61158系列中与类型特定部分（包括IEC 61158-5的应用层服务描述概念和通用现场总线数据类型）相关的一些共同方面。 [外文原描述]： IEC 61158-1:2019 specifies the generic concept of fieldbuses. This document presents an overview and guidance for the IEC 61158 series explaining the structure and content of the IEC 61158 series, relating the structure of the IEC 61158 series to the ISO/IEC 7498-1 OSI Basic Reference Model and showing how to use parts of the IEC 61158 series in combination with the IEC 61784 series. It also provides explanations of some aspects of the IEC 61158 series that are common to the type specific parts of the IEC 61158 5 including the application layer service description concepts and the generic fieldbus data types. This second edition cancels and replaces the first edition published in 2014. This edition constitutes a technical revision. This edition includes the following significant changes with respect to the previous edition: • updates of the references to and information about the IEC 61158 series, IEC 61784 1, IEC 61784 3, IEC 61784-5 series and IEC 61918 throughout the document; • new Type 25 and the related profile family CPF 20; • new Type 26 and the related profile family CPF 21.
英文名称Industrial communication networks - Fieldbus specifications - Part 1: Overview and guidance for the IEC 61158 and IEC 61784 series