IEC 62541-13:2020

OPC Unified Architecture - Part 13: Aggregates

IEC 62541-13:2020 is part of the overall OPC Unified Architecture specification series and defines the information model associated with Aggregates. This second edition cancels and replaces the first edition of IEC 62541-13, published in 2015. No technical changes but numerous clarifications. Also some corrections to the examples.

Architecture unifiée OPC - Partie 13: Agrégats

L'IEC 62541-13:2020 fait partie de la série de spécifications générales sur l'Architecture unifiée OPC (OPC UA) globale. Elle définit le modèle d'information associé aux Agrégats. Cette deuxième édition annule et remplace la première édition parue en 2015. Aucune modification technique n'a été apportée, mais de nombreuses explications ont été introduites. Des corrections ont été apportées aux exemples.

General Information

• Status: Published
• Publication Date: 10-Jun-2020
• ICS: 01 - GENERALITIES. TERMINOLOGY. STANDARDIZATION. DOCUMENTATION
• ICS: 25.040.40 - Industrial process measurement and control
• ICS: 35.100.05 - Multilayer applications
• Technical Committee: SC 65E - Devices and integration in enterprise systems
• Drafting Committee: WG 8 - TC 65/SC 65E/WG 8
• Current Stage: PPUB - Publication issued
• Start Date: 22-May-2020
• Completion Date: 11-Jun-2020

Relations

• Revises: IEC 62541-13:2015 - OPC Unified Architecture - Part 13: Aggregates
• Effective Date: 05-Sep-2023

Standards Content (Sample)

IEC 62541-13 ®
Edition 2.0 2020-06
REDLINE VERSION
INTERNATIONAL
STANDARD
colour
inside
OPC Unified Architecture –
Part 13: Aggregates
All rights reserved. Unless otherwise specified, no part of this publication may be reproduced or utilized in any form
or by any means, electronic or mechanical, including photocopying and microfilm, without permission in writing from
either IEC or IEC's member National Committee in the country of the requester. If you have any questions about IEC
copyright or have an enquiry about obtaining additional rights to this publication, please contact the address below or
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About the IEC
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International Standards for all electrical, electronic and related technologies.

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and withdrawn publications. Also known as the International Electrotechnical Vocabulary

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IEC 62541-13 ®
Edition 2.0 2020-06
REDLINE VERSION
INTERNATIONAL
STANDARD
colour
inside
OPC Unified Architecture –
Part 13: Aggregates
INTERNATIONAL
ELECTROTECHNICAL
COMMISSION
ICS 25.040.40; 35.100.05 ISBN 978-2-8322-8530-5

– 2 – IEC 62541-13:2020 RLV © IEC 2020
CONTENTS
FOREWORD . 7
1 Scope . 9
2 Normative references . 9
3 Terms, definitions, and abbreviated terms . 9
3.1 Terms and definitions . 9
3.2 Abbreviated terms . 12
4 Aggregate information model . 13
4.1 General . 13
4.2 Aggregate Objects . 13
4.2.1 General . 13
4.2.2 AggregateFunction Object . 14
4.3 MonitoredItem AggregateFilter . 16
4.3.1 MonitoredItem AggregateFilter Defaults . 16
4.3.2 MonitoredItem Aggregates and Bounding Values . 16
4.4 Exposing Supported Functions and Capabilities . 16
5 Aggregate specific usage of Services . 17
5.1 General . 17
5.2 Aggregate data handling . 18
5.2.1 Overview . 18
5.2.2 ReadProcessedDetails structure overview . 18
5.2.3 AggregateFilter structure overview . 18
5.3 Aggregates StatusCodes . 19
5.3.1 Overview . 19
5.3.2 Operation level result codes . 19
5.3.3 Aggregate Information Bits . 20
5.4 Aggregate details . 21
5.4.1 General . 21
5.4.2 Common characteristics . 21
5.4.3 Specific aggregated data handling . 24
Annex A (informative) Aggregate Specific examples – Historical Access . 67
A.1 Historical Aggregate specific characteristics . 67
A.1.1 Example Aggregate data – Historian 1 . 67
A.1.2 Example Aggregate data – Historian 2 . 68
A.1.3 Example Aggregate data – Historian 3 . 69
A.1.4 Example Aggregate data – Historian 4 . 70
A.2 Interpolative . 71
A.2.1 Description . 71
A.2.2 Interpolative data . 71
A.3 Average . 73
A.3.1 Description . 73
A.3.2 Average data . 73
A.4 TimeAverage . 74
A.4.1 Description . 74
A.4.2 TimeAverage data . 75
A.5 TimeAverage2. 76
A.5.1 Description . 76

A.5.2 TimeAverage2 data . 76
A.6 Total . 78
A.6.1 Description . 78
A.6.2 Total data . 78
A.7 Total2 . 80
A.7.1 Description . 80
A.7.2 Total2 data . 80
A.8 Minimum . 81
A.8.1 Description . 81
A.8.2 Minimum data . 82
A.9 Maximum . 82
A.9.1 Description . 82
A.9.2 Maximum data . 83
A.10 MininumActualTime . 83
A.10.1 Description . 83
A.10.2 MinimumActualTime data . 84
A.11 MaximumActualTime . 84
A.11.1 Description . 84
A.11.2 MaximumActualTime data . 85
A.12 Range . 85
A.12.1 Description . 85
A.12.2 Range data . 86
A.13 Minimum2 . 86
A.13.1 Description . 86
A.13.2 Minimum2 data . 87
A.14 Maximum2 . 87
A.14.1 Description . 87
A.14.2 Maximum2 data . 88
A.15 MinimumActualTime2 . 88
A.15.1 Description . 88
A.15.2 MinimumActualTime2 data . 89
A.16 MaximumActualTime2 . 89
A.16.1 Description . 89
A.16.2 MaximumActualTime2 data . 90
A.17 Range2 . 90
A.17.1 Description . 90
A.17.2 Range2 data . 91
A.18 AnnotationCount . 91
A.18.1 Description . 91
A.18.2 AnnotationCount data . 91
A.19 Count . 92
A.19.1 Description . 92
A.19.2 Count data . 92
A.20 DurationInStateZero . 93
A.20.1 Description . 93
A.20.2 DurationInStateZero data . 93
A.21 DurationInStateNonZero . 93
A.21.1 Description . 93
A.21.2 DurationInStateNonZero data . 93
...

IEC 62541-13 ®
Edition 2.0 2020-06
INTERNATIONAL
STANDARD
NORME
INTERNATIONALE
colour
inside
OPC Unified Architecture –
Part 13: Aggregates
Architecture unifiée OPC –
Partie 13: Agrégats
All rights reserved. Unless otherwise specified, no part of this publication may be reproduced or utilized in any form
or by any means, electronic or mechanical, including photocopying and microfilm, without permission in writing from
either IEC or IEC's member National Committee in the country of the requester. If you have any questions about IEC
copyright or have an enquiry about obtaining additional rights to this publication, please contact the address below or
your local IEC member National Committee for further information.

Droits de reproduction réservés. Sauf indication contraire, aucune partie de cette publication ne peut être reproduite
ni utilisée sous quelque forme que ce soit et par aucun procédé, électronique ou mécanique, y compris la photocopie
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3, rue de Varembé [e-mail]
CH-1211 Geneva 20 www.iec.ch
Switzerland
About the IEC
The International Electrotechnical Commission (IEC) is the leading global organization that prepares and publishes
International Standards for all electrical, electronic and related technologies.

About IEC publications
The technical content of IEC publications is kept under constant review by the IEC. Please make sure that you have the
latest edition, a corrigendum or an amendment might have been published.

IEC publications search - webstore.iec.ch/advsearchform Electropedia - www.electropedia.org
The advanced search enables to find IEC publications by a The world's leading online dictionary on electrotechnology,
variety of criteria (reference number, text, technical containing more than 22 000 terminological entries in English
committee,…). It also gives information on projects, replaced and French, with equivalent terms in 16 additional languages.
and withdrawn publications. Also known as the International Electrotechnical Vocabulary

(IEV) online.
IEC Just Published - webstore.iec.ch/justpublished
Stay up to date on all new IEC publications. Just Published IEC Glossary - std.iec.ch/glossary
details all new publications released. Available online and 67 000 electrotechnical terminology entries in English and
once a month by email. French extracted from the Terms and Definitions clause of
IEC publications issued since 2002. Some entries have been
IEC Customer Service Centre - webstore.iec.ch/csc collected from earlier publications of IEC TC 37, 77, 86 and
If you wish to give us your feedback on this publication or CISPR.

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IEC 62541-13 ®
Edition 2.0 2020-06
INTERNATIONAL
STANDARD
NORME
INTERNATIONALE
colour
inside
OPC Unified Architecture –
Part 13: Aggregates
Architecture unifiée OPC –
Partie 13: Agrégats
INTERNATIONAL
ELECTROTECHNICAL
COMMISSION
COMMISSION
ELECTROTECHNIQUE
INTERNATIONALE
ICS 25.040.40; 35.100.05 ISBN 978-2-8322-8296-0

– 2 – IEC 62541-13:2020 © IEC 2020
CONTENTS
FOREWORD . 7
1 Scope . 9
2 Normative references . 9
3 Terms, definitions, and abbreviated terms . 9
3.1 Terms and definitions . 9
3.2 Abbreviated terms . 12
4 Aggregate information model . 13
4.1 General . 13
4.2 Aggregate Objects . 13
4.2.1 General . 13
4.2.2 AggregateFunction Object . 14
4.3 MonitoredItem AggregateFilter . 16
4.3.1 MonitoredItem AggregateFilter Defaults . 16
4.3.2 MonitoredItem Aggregates and Bounding Values . 16
4.4 Exposing Supported Functions and Capabilities . 16
5 Aggregate specific usage of Services . 17
5.1 General . 17
5.2 Aggregate data handling . 18
5.2.1 Overview . 18
5.2.2 ReadProcessedDetails structure overview . 18
5.2.3 AggregateFilter structure overview . 18
5.3 Aggregates StatusCodes . 19
5.3.1 Overview . 19
5.3.2 Operation level result codes . 19
5.3.3 Aggregate Information Bits . 20
5.4 Aggregate details . 21
5.4.1 General . 21
5.4.2 Common characteristics . 21
5.4.3 Specific aggregated data handling . 24
Annex A (informative) Aggregate Specific examples – Historical Access . 67
A.1 Historical Aggregate specific characteristics . 67
A.1.1 Example Aggregate data – Historian 1 . 67
A.1.2 Example Aggregate data – Historian 2 . 68
A.1.3 Example Aggregate data – Historian 3 . 69
A.1.4 Example Aggregate data – Historian 4 . 70
A.2 Interpolative . 71
A.2.1 Description . 71
A.2.2 Interpolative data . 71
A.3 Average . 73
A.3.1 Description . 73
A.3.2 Average data . 73
A.4 TimeAverage . 74
A.4.1 Description . 74
A.4.2 TimeAverage data . 75
A.5 TimeAverage2. 76
A.5.1 Description . 76

A.5.2 TimeAverage2 data . 76
A.6 Total . 78
A.6.1 Description . 78
A.6.2 Total data . 78
A.7 Total2 . 80
A.7.1 Description . 80
A.7.2 Total2 data . 80
A.8 Minimum . 81
A.8.1 Description . 81
A.8.2 Minimum data . 82
A.9 Maximum . 82
A.9.1 Description . 82
A.9.2 Maximum data . 83
A.10 MininumActualTime . 83
A.10.1 Description . 83
A.10.2 MinimumActualTime data . 84
A.11 MaximumActualTime . 84
A.11.1 Description . 84
A.11.2 MaximumActualTime data . 85
A.12 Range . 85
A.12.1 Description . 85
A.12.2 Range data . 86
A.13 Minimum2 . 86
A.13.1 Description . 86
A.13.2 Minimum2 data . 87
A.14 Maximum2 . 87
A.14.1 Description . 87
A.14.2 Maximum2 data .
...