OPC Unified Architecture - Part 3: Address Space Model
Note: a redline version of this publication exists
IEC 62541-3:2020 RLV
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.
|Publication type||International Standard|
|TC/SC||TC 65/SC 65E - Devices and integration in enterprise systemsrss|
|ICS||25.040.40 - Industrial process measurement and control|
35.100.05 - Multilayer applications
|File size||7535 KB|
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