IEC 62541-11:2020

OPC Unified Architecture - Part 11: Historical Access

IEC 62541-11:2020 is part of the OPC Unified Architecture standard series and defines the information model associated with Historical Access (HA). It particularly includes additional and complementary descriptions of the NodeClasses and Attributes needed for Historical Access, additional standard Properties, and other information and behaviour.
The complete AddressSpace Model including all NodeClasses and Attributes is specified in IEC 62541-3. The predefined Information Model is defined in IEC 62541-5. The Services to detect and access historical data and events, and description of the ExtensibleParameter types are specified in IEC 62541-4. This document includes functionality to compute and return Aggregates like minimum, maximum, average etc. The Information Model and the concrete working of Aggregates are defined in IEC 62541-13. This third edition cancels and replaces the second edition published in 2015. This edition constitutes a technical revision. This edition includes the following significant technical changes with respect to the previous edition:
a) a new method for determining the first historical point has been added;
b) added clarifications on how to add, insert, modify, and delete annotations.

Architecture unifiée OPC - Partie 11: Accès à l'Historique

L'IEC 62541-11:2020 fait partie d'une série de normes d'Architecture Unifiée OPC globale et définit le Modèle d'Information associé à l'Accès à l'Historique (HA). Elle inclut en particulier des descriptions supplémentaires et complémentaires des NodeClasses et des Attributs nécessaires pour l'Accès à l'Historique, des Propriétés normalisées supplémentaires et d'autres informations et comportements. Le Modèle complet de l'AddressSpace comprenant toutes les NodeClasses et tous les Attributs est présenté dans l'IEC 62541-3. Le Modèle d'Information prédéfini est présenté dans l'IEC 62541-5. Les Services permettant de détecter et d'accéder aux données et événements historiques, ainsi qu'une description des types ExtensibleParameter, sont spécifiés dans l'IEC 62541-4. Le présent document inclut une fonctionnalité permettant de calculer et de renvoyer des Agrégats (minimum, maximum, moyenne, etc.). Le Modèle d'information et la fonction concrète des Agrégats sont définis dans l'IEC 62541-13. Cette troisième édition annule et remplace la deuxième édition parue en 2015. Cette édition constitue une révision technique. Cette édition inclut les modifications techniques majeures suivantes par rapport à l'édition précédente:
a) ajout d'une nouvelle procédure de détermination de la première référence historique;
b) ajout d'explications complémentaires sur les procédures d'ajout, d'insertion, de modification et de suppression d'annotations.

General Information

• Status: Published
• Publication Date: 22-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: 03-Jul-2020
• Completion Date: 23-Jun-2020

Relations

• Revises: IEC 62541-11:2015 - OPC Unified Architecture - Part 11: Historical Access
• Effective Date: 05-Sep-2023

Standards Content (Sample)

IEC 62541-11 ®
Edition 2.0 2020-06
REDLINE VERSION
INTERNATIONAL
STANDARD
colour
inside
OPC unified architecture –
Part 11: Historical Access
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
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International Standards for all electrical, electronic and related technologies.

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IEC 62541-11 ®
Edition 2.0 2020-06
REDLINE VERSION
INTERNATIONAL
STANDARD
colour
inside
OPC unified architecture –
Part 11: Historical Access
INTERNATIONAL
ELECTROTECHNICAL
COMMISSION
ICS 25.040.40; 35.100.05 ISBN 978-2-8322-8574-9

– 2 – IEC 62541-11:2020 RLV © IEC 2020
CONTENTS
FOREWORD . 5
1 Scope . 7
2 Normative references . 7
3 Terms, definitions, and abbreviated terms . 7
3.1 Terms and definitions . 7
3.2 Abbreviated terms . 9
4 Concepts . 9
4.1 General . 9
4.2 Data architecture . 10
4.3 Timestamps . 10
4.4 Bounding Values and time domain . 11
4.5 Changes in AddressSpace over time . 13
5 Historical Information Model . 13
5.1 HistoricalNodes. 13
5.1.1 General . 13
5.1.2 Annotations Property . 13
5.2 HistoricalDataNodes . 14
5.2.1 General . 14
5.2.2 HistoricalDataConfigurationType. 14
5.2.3 HasHistoricalConfiguration ReferenceType . 16
5.2.4 Historical Data Configuration Object . 16
5.2.5 HistoricalDataNodes Address Space Model . 17
5.2.6 Attributes . 18
5.3 HistoricalEventNodes . 18
5.3.1 General . 18
5.3.2 HistoricalEventFilter Property . 18
5.3.3 HistoricalEventNodes Address Space Model . 19
5.3.4 HistoricalEventNodes Attributes . 19
5.4 Exposing supported functions and capabilities . 20
5.4.1 General . 20
5.4.2 HistoryServerCapabilitiesType . 20
5.5 Annotation DataType . 22
5.6 Historical Audit Events . 23
5.6.1 General . 23
5.6.2 AuditHistoryEventUpdateEventType . 23
5.6.3 AuditHistoryValueUpdateEventType . 24
5.6.4 AuditHistoryAnnotationUpdateEventType . 25
5.6.5 AuditHistoryDeleteEventType . 25
5.6.6 AuditHistoryRawModifyDeleteEventType . 26
5.6.7 AuditHistoryAtTimeDeleteEventType . 27
5.6.8 AuditHistoryEventDeleteEventType . 27
6 Historical Access specific usage of Services . 28
6.1 General . 28
6.2 Historical Nodes StatusCodes . 28
6.2.1 Overview . 28
6.2.2 Operation level result codes . 28

6.2.3 Semantics changed . 30
6.3 Continuation Points . 30
6.4 HistoryReadDetails parameters . 31
6.4.1 Overview . 31
6.4.2 ReadEventDetails structure . 31
6.4.3 ReadRawModifiedDetails structure . 33
6.4.4 ReadProcessedDetails structure . 35
6.4.5 ReadAtTimeDetails structure . 37
6.4.6 ReadAnnotationDataDetails structure . 38
6.5 HistoryData parameters returned . 39
6.5.1 Overview . 39
6.5.2 HistoryData type . 39
6.5.3 HistoryModifiedData type . 39
6.5.4 HistoryEvent type . 39
6.5.5 HistoryAnnotationData type . 40
6.6 HistoryUpdateType Enumeration . 40
6.7 PerformUpdateType Enumeration . 40
6.8 HistoryUpdateDetails parameter . 40
6.8.1 Overview . 40
6.8.2 UpdateDataDetails structure . 42
6.8.3 UpdateStructureDataDetails structure . 43
6.8.4 UpdateEventDetails structure . 44
6.8.5 DeleteRawModifiedDetails structure . 46
6.8.6 DeleteAtTimeDetails structure . 47
6.8.7 DeleteEventDetails structure . 48
Annex A (informative) Client conventions . 49
A.1 How clients may request timestamps . 49
A.2 Determining the first historical data point . 50
Bibliography . 52

Figure 1 – Possible OPC UA Server supporting Historical Access . 10
Figure 2 – ReferenceType hierarchy . 16
Figure 3 – Historical Variable with Historical Data Configuration and Annotations . 17
Figure 4 – Representation of an Event with History in the AddressSpace . 19
Figure 5 – Server and HistoryServer Capabilities . 20

Table 1 – Bounding Value examples . 12
Table 2 – Annotations Property . 13
Table 3 – HistoricalDataConfigurationType definition . 14
Table 4 – ExceptionDeviationFormat Values . 16
Table 5 – HasHistoricalConfiguration ReferenceType . 16
Table 6 – Historical Access configuration definition. 17
Table 7 – Historical Events Properties . 18
Table 8 – HistoryServerCapabilitiesType Definition . 21
Table 9 – Annotation Structure . 23
Table 10 – AuditHistoryEventUpdateEventType definition . 23

– 4 – IEC 62541-11:2020 RLV © IEC 2020
Table 11 – AuditHistoryValueUpdateEventType definition . 24
Table 12 – AuditHistoryAnnotationUpdateEventType definition . 25
Table 13 – AuditHistoryDeleteEventType definition . 26
Table 14 – AuditHistoryRawModifyDeleteEventType definition . 26
Table 15 – AuditHistoryAtTimeDeleteEventType definition . 27
Table 16 – AuditHistoryEventDeleteEventType definition . 27
Table 17 – Bad operation level result codes . 29
Table 18 – Good operation level result c
...

IEC 62541-11 ®
Edition 2.0 2020-06
INTERNATIONAL
STANDARD
NORME
INTERNATIONALE
colour
inside
OPC unified architecture –
Part 11: Historical Access
Architecture unifiée OPC –
Partie 11: Accès à l'Historique

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
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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
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
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once a month by email. French extracted from the Terms and Definitions clause of
IEC publications issued since 2002. Some entries have been
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IEC 62541-11 ®
Edition 2.0 2020-06
INTERNATIONAL
STANDARD
NORME
INTERNATIONALE
colour
inside
OPC unified architecture –
Part 11: Historical Access
Architecture unifiée OPC –
Partie 11: Accès à l'Historique

INTERNATIONAL
ELECTROTECHNICAL
COMMISSION
COMMISSION
ELECTROTECHNIQUE
INTERNATIONALE
ICS 25.040.40; 35.100.05 ISBN 978-2-8322-8454-4

– 2 – IEC 62541-11:2020 © IEC 2020
CONTENTS
FOREWORD . 5
1 Scope . 7
2 Normative references . 7
3 Terms, definitions, and abbreviated terms . 7
3.1 Terms and definitions . 7
3.2 Abbreviated terms . 9
4 Concepts . 9
4.1 General . 9
4.2 Data architecture . 10
4.3 Timestamps . 10
4.4 Bounding Values and time domain . 11
4.5 Changes in AddressSpace over time . 13
5 Historical Information Model . 13
5.1 HistoricalNodes. 13
5.1.1 General . 13
5.1.2 Annotations Property . 13
5.2 HistoricalDataNodes . 14
5.2.1 General . 14
5.2.2 HistoricalDataConfigurationType. 14
5.2.3 HasHistoricalConfiguration ReferenceType . 15
5.2.4 Historical Data Configuration Object . 16
5.2.5 HistoricalDataNodes Address Space Model . 17
5.2.6 Attributes . 17
5.3 HistoricalEventNodes . 18
5.3.1 General . 18
5.3.2 HistoricalEventFilter Property . 18
5.3.3 HistoricalEventNodes Address Space Model . 18
5.3.4 HistoricalEventNodes Attributes . 19
5.4 Exposing supported functions and capabilities . 19
5.4.1 General . 19
5.4.2 HistoryServerCapabilitiesType . 20
5.5 Annotation DataType . 22
5.6 Historical Audit Events . 23
5.6.1 General . 23
5.6.2 AuditHistoryEventUpdateEventType . 23
5.6.3 AuditHistoryValueUpdateEventType . 24
5.6.4 AuditHistoryAnnotationUpdateEventType . 25
5.6.5 AuditHistoryDeleteEventType . 25
5.6.6 AuditHistoryRawModifyDeleteEventType . 26
5.6.7 AuditHistoryAtTimeDeleteEventType . 27
5.6.8 AuditHistoryEventDeleteEventType . 27
6 Historical Access specific usage of Services . 28
6.1 General . 28
6.2 Historical Nodes StatusCodes . 28
6.2.1 Overview . 28
6.2.2 Operation level result codes . 28

6.2.3 Semantics changed . 30
6.3 Continuation Points . 30
6.4 HistoryReadDetails parameters . 31
6.4.1 Overview . 31
6.4.2 ReadEventDetails structure . 31
6.4.3 ReadRawModifiedDetails structure . 33
6.4.4 ReadProcessedDetails structure . 35
6.4.5 ReadAtTimeDetails structure . 37
6.4.6 ReadAnnotationDataDetails structure . 38
6.5 HistoryData parameters returned . 39
6.5.1 Overview . 39
6.5.2 HistoryData type . 39
6.5.3 HistoryModifiedData type . 39
6.5.4 HistoryEvent type . 39
6.5.5 HistoryAnnotationData type . 40
6.6 HistoryUpdateType Enumeration . 40
6.7 PerformUpdateType Enumeration . 40
6.8 HistoryUpdateDetails parameter . 40
6.8.1 Overview . 40
6.8.2 UpdateDataDetails structure . 42
6.8.3 UpdateStructureDataDetails structure . 43
6.8.4 UpdateEventDetails structure . 44
6.8.5 DeleteRawModifiedDetails structure . 46
6.8.6 DeleteAtTimeDetails structure . 47
6.8.7 DeleteEventDetails structure . 48
Annex A (informative) Client conventions . 49
A.1 How clients may request timestamps . 49
A.2 Determining the first historical data point . 50
Bibliography . 52

Figure 1 – Possible
...