IEC 61804-2:2018
Collections
International IEC standards
Publication date
January 2018
Number of pages
152 p.
Reference
IEC 61804-2:2018
IEC 61804-2:2018
January 2018
International standard
Current
Function blocks (FB) for process control and electronic device description language (EDDL) - Part 2: Specification of FB concept
IEC 61804-2:2018 specifies FB (function blocks) by using the result of a harmonization work as regards several elements.a) The device model which defines the components of an IEC 61804-2 conformant device.b) 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.c) The electronic device description (EDD) technology, which enables the integration of real product details using the tools of the engineering life cycle.This third edition cancels and replaces the second edition published in 2006 and integrates parts of IEC 61804-1 which was withdrawn in January 2013. This edition constitutes a technical revision.This edition includes the following significant technical changes with respect to the previous edition:a) added command communication mapping in Clause 8;b) moved and reword compatibility level definition from IEC 62804-1 to new Annex B and terms and definitions;c) added proxy concept in new Annex C.
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Sumary
Function blocks (FB) for process control and electronic device description language (EDDL) - Part 2: Specification of FB concept
IEC 61804-2:2018 specifies FB (function blocks) by using the result of a harmonization work as regards several elements.
a) The device model which defines the components of an IEC 61804-2 conformant device.
b) 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.
c) The electronic device description (EDD) technology, which enables the integration of real product details using the tools of the engineering life cycle.
This third edition cancels and replaces the second edition published in 2006 and integrates parts of IEC 61804-1 which was withdrawn in January 2013. This edition constitutes a technical revision.
This edition includes the following significant technical changes with respect to the previous edition:
a) added command communication mapping in Clause 8;
b) moved and reword compatibility level definition from IEC 62804-1 to new Annex B and terms and definitions;
c) added proxy concept in new Annex C.
IEC 61804-2:2018 specifies FB (function blocks) by using the result of a harmonization work as regards several elements.
a) The device model which defines the components of an IEC 61804-2 conformant device.
b) 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.
c) The electronic device description (EDD) technology, which enables the integration of real product details using the tools of the engineering life cycle.
This third edition cancels and replaces the second edition published in 2006 and integrates parts of IEC 61804-1 which was withdrawn in January 2013. This edition constitutes a technical revision.
This edition includes the following significant technical changes with respect to the previous edition:
a) added command communication mapping in Clause 8;
b) moved and reword compatibility level definition from IEC 62804-1 to new Annex B and terms and definitions;
c) added proxy concept in new Annex C.
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Replaced standards
(1)
IEC 61804-2:2006
September 2006
International standard
Cancelled
Function blocks (FB) for process control - Part 2: Specification of FB concept
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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