IEC TS 61850-6-3:2025

IEC TS 61850-6-3 ®
Edition 1.0 2025-07
TECHNICAL
SPECIFICATION
Communication networks and systems for power utility automation -
Part 6-3: Format of machine-processable rules for validation of IEC 61850 XML-
based files
ICS 33.200  ISBN 978-2-8327-0514-8

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CONTENTS
FOREWORD. 3
INTRODUCTION . 5
1 Scope . 6
1.1 General . 6
1.2 Published versions of the standard and related namespace names. 6
1.3 Identification of the namespace . 6
1.4 Code component distribution . 6
2 Normative references . 7
3 Terms, definitions and abbreviated terms . 7
3.1 Terms and definitions . 7
3.2 Abbreviated terms . 7
4 Use of OCL (machine processable rules) in the specification and engineering
process . 8
5 Use cases . 9
5.1 Validate SCL files at every stage of the specification and engineering
process . 9
5.1.1 Description of the use case . 9
5.1.2 Narrative of use case . 9
5.1.3 General remarks . 9
5.1.4 Diagrams of use case . 11
5.1.5 Technical details – Actors: people, systems, applications, databases,
the power system, and other stakeholders . 13
5.1.6 Information exchanged . 13
5.2 Verify the conformity of an SCL file after completion of the upgrading /
downgrading rules . 13
5.2.1 Description of the use case . 13
5.2.2 Narrative of use case . 14
5.2.3 Diagrams of use case . 14
5.2.4 Technical details – Actors: people, systems, applications, databases,
the power system, and other stakeholders . 15
5.3 Extend standard OCL rules with private OCL rules . 16
5.3.1 Description of the use case . 16
5.3.2 Narrative of use case . 16
5.3.3 General remarks . 16
5.3.4 Diagrams of use case . 17
5.3.5 Technical details . 18
5.3.6 Information exchanged . 19
6 OCL: Object Constraint language . 19
6.1 What is OCL and how it is used for IEC 61850 . 19
6.2 General principles of OCL . 20
6.3 OCL types . 20
6.3.1 Simple types . 20
6.3.2 Collections . 20
6.4 Implementation of OCL specification . 21
7 UML model of SCL. 21
8 Framework for editing OCL rules within IEC 61850 . 23
8.1 OCL rule identifier . 23
8.2 OCL rule documentation template . 24
8.3 Structure of the error messages . 24
8.4 Severity levels . 25
8.5 Lifecycle of the rules . 25
Annex A (informative) OCL rules Examples . 27
Annex B (informative) Examples of private rules . 31
Annex C (informative) Example of OpenSource implementation: RiseClipse . 32

Figure 1 – Information flow in the configuration process, including SCL File
validator tool . 8
Figure 2 – OCL simple types and operations . 20
Figure 3 – OCL operations on collections . 20
Figure 4 – Example of UML model for DataTypeTemplate section . 21
Figure 5 – Example of added relation between tDOType and tAbstractDataObject . 22
Figure 6 – Illustration of an extension of SCL: IEC TR 61850-80-5 . 23
Figure C.1 – Use of RiseClipse for DataTypeTemplates section . 32

Table 1 – Attributes of the IEC 61850-6-3 OCL namespace . 6

INTERNATIONAL ELECTROTECHNICAL COMMISSION
____________
Communication networks and systems for power utility automation -
Part 6-3: Format of machine-processable rules for
validation of IEC 61850 XML-based files

FOREWORD
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IEC TS 61850-6-3 has been prepared by IEC technical committee TC 57: Power systems
management and associated information exchange. It is a Technical Specification.
The text of this Technical Specification is based on the following documents:
Draft Report on voting
57/2765/DTS 57/2795/RVDTS
Full information on the voting for its approval can be found in the report on voting indicated in
the above table.
The language used for the development of this Technical Specification is English.
This document was drafted in accordance with ISO/IEC Directives, Part 2, and developed in
accordance with ISO/IEC Directives, Part 1 and ISO/IEC Directives, IEC Supplement, available
at www.iec.ch/members_experts/refdocs. T
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