BS EN 61158-6-11:2008 PDF

What is BS EN 61158-6-11 - Type 11 application layer protocol specification about?

BS EN 61158-6-11 is part of a series produced to facilitate the interconnection of automation system components. BS EN 61158-6-11 is related to other standards in the set as defined by the “three-layer” fieldbus reference model described in IEC/TR 61158-1 . BS EN 61158-6-11 provides common elements for basic time-critical and non-time-critical messaging communications between application programs in an automation environment and material specific to Type 11 fieldbus. BS EN 61158-6-11 defines in an abstract way the externally visible behaviour provided by the different Types of the fieldbus Application Layer in terms of:

The abstract syntax defining the application layer protocol data units conveyed between communicating application entities The transfer syntax defining the application layer protocol data units conveyed between communicating application entities The application context state machine defining the application service behaviour visible between communicating application entities The application relationship states machines defining the communication behaviour visible between communicating application entities

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