is applicable to Function Blocks (FB) for process control and specifies the Electronic Device Description Language (EDDL), specifies FB by using the result of harmonization work as regards several elements. defines a subset of the requirements of IEC 61804-1 (hereafter referred to as Part 1) only, while Part 1 describes requirements for a distributed system.
applies to Function Blocks (FB) for process control and specifies the Electronic Device Description Language (EDDL). This Pre-standard IEC 61804-2 specifies FB by using the result of a harmonization work as regards several elements.
IEC 61804-3:2006 specifies the Electronic Device Description Language (EDDL) technology, which enables the integration of real product details using the tools of the engineering life cycle. It specifies EDDL as a generic language for describing the properties of automation system components.
IEC 61804-2:2006 Specifies FB (Function Bloks) by using the result of harmonization work as regards several elements: - the device model which defines the components of an IEC 61804-2 conformant device; - conceptual specifications of FBs for measurement, actuation and processing. This includes general rules for the essential features to support control, whilst avoiding details which stop innovation as well as specialization for different industrial sectors. It defines a subset of the requirements of IEC 61804-1 (hereafter referred to as Part 1) only, while Part 1 describes requirements for a distributed system.
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