1 Scope
This document specifies a part of the application, the application layer, and the
presentation layer.
The application covers the
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— device model,
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— registry management,
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— connection management for streaming data,
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— diagnosis, and
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— error handling.
The application layer covers the structure of MOST messages consisting of
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— addressing,
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— function block identifiers,
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— instance identifiers,
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— function identifiers,
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— operation types, and
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— timing definitions.
The presentation layer covers the definition of data, basic data types and function classes.