IEC 62541-3:2020 PRV
Pre release version
OPC Unified Architecture - Part 3: Address Space Model
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.
|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||7226 KB|
The following test report forms are related:
Share your publications
Learn how to share your publications with your colleagues, using networking options.
Our prices are in Swiss francs (CHF). We accept all major credit cards (American Express, Mastercard and Visa), PayPal and bank transfers as form of payment.
Keep in touch
Keep up to date with new publication releases and announcements with our free IEC Just Published email newsletter.
Contact customer services
Please send your enquiry by email or call us on +41 22 919 02 11 between 09:00 – 17:00 CET Monday to Friday.