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  • BSI
    BS EN IEC 62541-3:2020 OPC Unified Architecture - Address Space Model
    Edition: 2020
    $614.12
    / user per year

Description of BS EN IEC 62541-3:2020 2020

IEC 62541-3:2020 is available as IEC 62541-3:2020 RLV which contains the International Standard and its Redline version, showing all changes of the technical content compared to the previous edition.

IEC 62541-3:2020 defines the OPC Unified Architecture (OPC UA) AddressSpace and its Objects. This document is the OPC UA meta model on which OPC UA information models are based. This third edition cancels and replaces the second edition published in 2015. This edition includes the following significant technical changes with respect to the previous edition: a) Added new improved approach for exposing structure definitions. An Attribute on the DataType Node now simply contains a binary description. b) Added new flags for Variables to indicate atomicity when reading or writing. c) Added Roles and Permissions to allow configuration of a role-based authorization. d) Added new data types: “Union”, “ Decimal”, “OptionSet”, “DateString”, “TimeString”, “DurationString”, NormalizedString”, “DecimalString”, and “AudioDataType”. e) Added definition on how to use the ModellingRules OptionalPlaceHolder and MandatoryPlaceHolder for Methods. f) Added optional Properties “ MaxCharacters” and “MaxByteStringLength” to Variable Nodes.


Standard NumberBS EN IEC 62541-3:2020
TitleOPC Unified Architecture - Address Space Model
StatusDefinitive
Publication Date2020-09-09
ReplacesBS EN 62541-3:2015
Identical National Standard OfEN 62541-3 Ed.3.0, IEC 62541-3 Ed.3.0
DescriptorsData processing, Industrial, Information exchange, Interfaces (data processing), Bus networks, Process control, Communication networks, Computer networks, Metadata, Computer software, Objects (programming language), Automatic control systems, Data transmission, Addresses (data processing)
ICS35.100.05 Multilayer applications, 35.240.50 IT applications in industry, 35.200 Interface and interconnection equipment, 25.040.40 Industrial process measurement and control, 35.100.01 Open systems interconnection in general
CommitteeGEL/65/3
ISBN978 0 580 51132 5
PublisherBSI
Pages128

About BSI

BSI Group, also known as the British Standards Institution is the national standards body of the United Kingdom. BSI produces technical standards on a wide range of products and services and also supplies certification and standards-related services to businesses.
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