prEN IEC 62541-11:2024

OPC unified architecture - Part 11: Historical access

OPC Unified Architecture - Teil 11: Zugang zu historischen Daten

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

Enotna arhitektura OPC - 11. del: Zgodovinski dostop

General Information

• Status: Not Published
• Publication Date: 18-Aug-2025
• ICS: 25.040.40 - Industrial process measurement and control
• ICS: 35.100.05 - Multilayer applications
• Technical Committee: CLC/TC 65X - Industrial-process measurement, control and automation
• Current Stage: 4060 - Enquiry results established and sent to TC, SR, BTTF - Enquiry
• Start Date: 19-Apr-2024
• Completion Date: 19-Apr-2024
• Mandate: M/490 - Standardisation mandate to the European Standardisation Organisations (ESOs) to support European Smart Grid deployment
• Ref Project: oSIST prEN IEC 62541-11:2024 - OPC Unified Architecture - Part 11: Historical Access

Relations

• Revises: EN IEC 62541-11:2020 - OPC Unified Architecture - Part 11: Historical Access
• Effective Date: 31-Jan-2023

Standards Content (Sample)

SLOVENSKI STANDARD
01-marec-2024
Enotna arhitektura OPC - 11. del: Zgodovinski dostop
OPC Unified Architecture - Part 11: Historical Access
OPC Unified Architecture - Teil 11: Zugang zu historischen Daten
Architecture unifiée OPC - Partie 11: Accès à l'historique
Ta slovenski standard je istoveten z: prEN IEC 62541-11:2024
ICS:
25.040.40 Merjenje in krmiljenje Industrial process
industrijskih postopkov measurement and control
35.240.50 Uporabniške rešitve IT v IT applications in industry
industriji
2003-01.Slovenski inštitut za standardizacijo. Razmnoževanje celote ali delov tega standarda ni dovoljeno.

65E/1058/CDV
COMMITTEE DRAFT FOR VOTE (CDV)
PROJECT NUMBER:
IEC 62541-11 ED3
DATE OF CIRCULATION: CLOSING DATE FOR VOTING:
2024-01-26 2024-04-19
SUPERSEDES DOCUMENTS:
65E/983/RR
IEC SC 65E : DEVICES AND INTEGRATION IN ENTERPRISE SYSTEMS
SECRETARIAT: SECRETARY:
United States of America Mr Donald (Bob) Lattimer
OF INTEREST TO THE FOLLOWING COMMITTEES: PROPOSED HORIZONTAL STANDARD:

Other TC/SCs are requested to indicate their interest, if any, in
this CDV to the secretary.
FUNCTIONS CONCERNED:
EMC ENVIRONMENT QUALITY ASSURANCE SAFETY
SUBMITTED FOR CENELEC PARALLEL VOTING NOT SUBMITTED FOR CENELEC PARALLEL VOTING
Attention IEC-CENELEC parallel voting
The attention of IEC National Committees, members of
CENELEC, is drawn to the fact that this Committee Draft for
Vote (CDV) is submitted for parallel voting.
The CENELEC members are invited to vote through the
CENELEC online voting system.
This document is still under study and subject to change. It should not be used for reference purposes.
Recipients of this document are invited to submit, with their comments, notification of any relevant patent rights of which they
are aware and to provide supporting documentation.
Recipients of this document are invited to submit, with their comments, notification of any relevant “In Some Countries” clauses
to be included should this proposal proceed. Recipients are reminded that the CDV stage is the final stage for submitting ISC
clauses. (SEE AC/22/2007 OR NEW GUIDANCE DOC).

TITLE:
OPC Unified Architecture - Part 11: Historical Access

PROPOSED STABILITY DATE: 2026
NOTE FROM TC/SC OFFICERS:
electronic file, to make a copy and to print out the content for the sole purpose of preparing National Committee positions.
You may not copy or "mirror" the file or printed version of the document, or any part of it, for any other purpose without
permission in writing from IEC.

IEC CDV 62541-11 © IEC 2023 ii

1 CONTENTS
4 FOREWORD . vi
5 1 Scope . 1
6 2 Normative references . 1
7 3 Terms, definitions, and abbreviations . 1
8 3.1 Terms and definitions . 1
9 3.2 Abbreviated terms . 3
10 4 Concepts . 3
11 4.1 General . 3
12 4.2 Data architecture . 3
13 4.3 Historians and interruption of data collection . 4
14 4.4 Modification of Historical Data/Events . 5
15 4.5 Timestamps . 5
16 4.6 Bounding Values and time domain . 6
17 4.7 Changes in AddressSpace over time . 7
18 5 Historical Information Model . 8
19 5.1 HistoricalNodes . 8
20 5.1.1 General . 8
21 5.1.2 Annotations Property. 8
22 5.2 HistoricalDataNodes . 9
23 5.2.1 General . 9
24 5.2.2 HistoricalDataConfigurationType . 9
25 5.2.3 Attributes . 11
26 5.2.4 Historical Data Configuration Object . 11
27 5.3 References . 11
28 5.3.1 Overview . 11
29 5.3.2 HasHistoricalConfiguration ReferenceType . 12
30 5.3.3 HasCurrentData ReferenceType . 12
31 5.3.4 HasCurrentEvent ReferenceType . 13
32 5.4 HistoricalEventNodes . 13
33 5.4.1 General . 13
34 5.4.2 HistoricalEventFilter Property . 14
35 5.4.3 HistoricalEventConfigurationType . 14
36 5.4.4 HistoricalEventNode Attributes . 15
37 5.5 External History sources . 15
38 5.5.1 Introduction . 15
39 5.5.2 External Historical Event Node . 15
40 5.6 Example Object Models in Historian Servers (informative) . 16
41 5.6.1 Overview . 16
42 5.6.2 HistoricalDataNodes Address Space Model . 16
43 5.6.3 Historical data . 17
44 5.6.4 HistoricalEventNodes Address Space Model . 17
45 5.6.5 Historical Events . 18
46 5.7 Exposing supported functions and capabilities . 19
47 5.7.1 General . 19
48 5.7.2 HistoryServerCapabilitiesType . 20
49 5.7.3 Default Configuration . 22

iii IEC CDV 62541-11 © IEC 2023

50 Historical Audit Events . 23
5.8
51 5.8.1 General . 23
52 5.8.2 AuditHistoryEventUpdateEventType . 23
53 5.8.3 AuditHistoryValueUpdateEventType . 24
54 5.8.4 AuditHistoryAnnotationUpdateEventType . 25
55 5.8.5 AuditHistoryDeleteEventType . 25
56 5.8.6 AuditHistoryRawModifyDeleteEventType . 26
57 5.8.7 AuditHistoryAtTimeDeleteEventType . 27
58 5.8.8 AuditHistoryEventDeleteEventType . 27
59 5.8.9 AuditHistoryConfigurationChangeEventType . 28
60 5.8.10 AuditHistoryBulkInsertEventType . 28
61 6 Historical Access specific usage of Services . 29
62 6.1 General . 29
63 6.2 Historical Nodes StatusCodes . 29
64 6.2.1 Overview . 29
65 6.2.2 Operation level result codes . 29
66 6.2.3 Semantics changed . 31
67 6.3 Continuation Points . 31
68 6.4 Arrays, index ranges and substrings . 32
69 6.5 HistoryReadDetails parameters . 33
70 6.5.1 Overview . 33
71 6.5.2 ReadEventDetails structure . 34
72 6.5.3 ReadRawModifiedDetails structure . 37
73 6.5.4 ReadProcessedDetails structure . 39
74 6.5.5 ReadAtTimeDetails structure . 41
75 6.5.6 ReadAnnotationDataDetails structure . 42
76 6.6 HistoryData parameters returned . 42
77 6.6.1 Overview . 42
78 6.6.2 HistoryData type . 42
79 6.6.3 HistoryModifiedData type . 43
80 6.6.4 HistoryEvent DataType . 43
81 6.6.5 HistoryModifiedEvent DataType . 44
82 6.6.6 Annotation DataType . 44
83 6.7 HistoryUpdateType Enumeration . 45
84 6.8 PerformUpdateType Enumeration . 45
85 6.9 HistoryUpdateDetails parameter . 46
86 6.9.1 Overview . 46
87 6.9.2 UpdateDataDetails structure . 47
88 6.9.3 UpdateStructureDataDetails structure . 49
89 6.9.4 UpdateEventDetails structure . 50
90 6.9.5 DeleteRawModifiedDetails structure . 52
91 6.9.6 DeleteAtTimeDetails structure . 53
92 6.9.7 DeleteEventDetails structure . 53
93 Annex A (informative) Client conventions . 55
94 A.1 How clients may request timestamps . 55
95 A.2 Determining the first or last historical data point . 56
96 Bibliography . 57
IEC CDV 62541-11 © IEC 2023 iv

98 FIGURES
100 Figure 1 – Possible OPC UA Server supporting Historical Access . 4
101 Figure 2 – ReferenceType hierarchy . 12
102 Figure 3 – Historical Variable with Historical Data Configuration and Annotations . 16
103 Figure 5 – Representation of an Event with History in the AddressSpace . 18
104 Figure 7 – Server and HistoryServer Capabilities . 20
...