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EN 61850-7-4:2010

(Main)

Communication networks and systems for power utility automation - Part 7-4: Basic communication structure - Compatible logical node classes and data object classes

Communication networks and systems for power utility automation - Part 7-4: Basic communication structure - Compatible logical node classes and data object classes

IEC 61850-7-4:2010(E) specifies the information model of devices and functions generally related to common use regarding applications in systems for power utility automation. It also contains the information model of devices and function-related applications in substations. In particular, it specifies the compatible logical node names and data object names for communication between intelligent electronic devices (IED). This includes the relationship between logical nodes and data objects. Major technical changes with regard to the previous edition are as follows: - corrections and clarifications according to technical issues raised by the users' community; extensions for new logical nodes for the power quality domain; - extensions for the model for statistical and historical statistical data; - extensions regarding IEC 61850-90-1; - extensions for new logical nodes for monitoring functions according to IEC 62271; - new logical nodes from IEC 61850-7-410 and IEC 61850-7-420 of general interest.

Kommunikationsnetze und -systeme für die Automatisierung in der elektrischen Energieversorgung - Teil 7-4: Grundlegende Kommunikationsstruktur - Kompatible Logikknoten- und Datenklassen

Réseaux et systèmes de communication pour l’automatisation des systèmes électriques - Partie 7-4 : Structure de communication de base - Classes de nœud logique et classes de donnée objet compatibles

IEC 61850-7-4:2010 spécifie le modèle d'information des dispositifs et les fonctions généralement liées à l'usage commun concernant les applications dans des systèmes pour l'automatisation des entreprises de distribution d'électricité. Elle contient le modèle d'information de dispositifs et les applications liées aux fonctions dans les postes. En particulier, elle spécifie les noms de nœuds logiques compatibles et les noms d'objets de données pour la communication entre des dispositifs électroniques intelligents (IED). Cela comprend la relation entre nœuds logiques et objets de données. Les modifications techniques majeures par rapport à l'édition précédente sont les suivantes: • corrections et clarifications en accord avec la lettre d'information "IEC 61850-technical issues by the IEC TC 57" (voir le document 57/963/INF, 2008-07-18); • extensions pour les nouveaux nœuds logiques du domaine de la qualité de l'énergie électrique fournie; • extensions pour le modèle de données statistiques et historiques; • extensions par rapport à l'IEC 61850-90-1 (communications poste à poste); • extensions pour les nouveaux nœuds logiques pour les fonctions de surveillance en accord avec l'IEC 62271; • nouveaux nœuds logiques des IEC 61850-7-410 et IEC 61850-7-420 d'intérêt général.

Komunikacijska omrežja in sistemi za avtomatizacijo porabe (električne) energije - 7-4. del: Osnovna komunikacijska struktura - Združljivi logični vozliščni in podatkovni razredi (IEC 61850-7-4:2010)

Ta del IEC 61850 določa informacijski model naprav in funkcij, običajno povezanih s splošno uporabo glede na uporabe v sistemih za avtomatizacijo porabe (električne) energije.  Prav tako vsebuje informacijski model naprav in funkcijsko povezanih uporab v razdelilnih postajah. Zlasti določa logična vozliščna imena in imena podatkovnih objektov za komunikacijo med inteligentnimi elektronskimi napravami (IED). To vsebuje razmerje med logičnimi vozlišči in podatkovnimi objekti. Imena logičnih vozlišč in podatkovnih objektov, določenih v tem dokumentu, so del modela razredov, predstavljenega v IEC 61850-7-1 in določenega v IEC 61850-7-2. Imena, določena v tem dokumentu, se uporabljajo za izgradnjo hierarhičnih referenčnih objektov uporabljenih za komunikacijo z IED v sistemih za avtomatizacijo porabe (električne) energije in zlasti z IED v razdelilnih postajah in v razdelilnih glavnih dovodnih kablih. V tem delu veljajo konvencije poimenovanja iz IEC 61850-7-2. Da se izognemo zasebnim, nekompatibilnim priponam, ta del določa normativna pravila poimenovanja za večkratne instance in zasebne, kompatibilne pripone razredov logičnih vozlišč (LN) in imen podatkovnih objektov. Vsaka definicija je osnovana na IEC 61850 ali na referenčnih dobro dokumentiranih javnih dokumentov. Ta del ne zagotavlja vadbenega materiala. Priporočeno je najprej prebrati dele IEC 61850-5 in IEC 61850-7-1, skupaj z IEC 61850-7-3 in IEC 61850-7-2. Ta standard se uporablja za opis modelov naprav in funkcij razdelilnih postaj in opreme glavnih dovodnih kablov. Koncepti, določeni v tem standardu, prav tako veljajo za opisovanje modelov naprav in funkcij za:
- izmenjavo podatkov razdelilne postaje do razdelilne postaje,
- izmenjavo podatkov razdelilne postaje do nadzornega centra,
- izmenjavo podatkov elektrarne do nadzornega centra,
- izmenjavo podatkov za porazdeljeno proizvodnjo,
- izmenjava podatkov za porazdeljeno avtomatizacijo ali
- izmenjavo podatkov za merjenje.

General Information

Status
Published
Publication Date
10-Jun-2010
Withdrawal Date
31-May-2013
ICS
33.200 - Telecontrol. Telemetering
Technical Committee
CLC/TC 57 - Power systems management and associated information exchange
Drafting Committee
IEC/TC 57 - IEC_TC_57
Parallel Committee
IEC/TC 57 - IEC_TC_57
Current Stage
6060 - Document made available - Publishing
Start Date
11-Jun-2010
Completion Date
11-Jun-2010
Mandate
M/490 - Standardisation mandate to the European Standardisation Organisations (ESOs) to support European Smart Grid deployment
Ref Project
SIST EN 61850-7-4:2010 - Communication networks and systems for power utility automation - Part 7-4: Basic communication structure - Compatible logical node classes and data object classes (IEC 61850-7-4:2010)

Relations

Replaces
EN 61850-7-4:2003 - Communication networks and systems in substations - Part 7-4: Basic communication structure for substation and feeder equipment - Compatible logical node classes and data classes
Effective Date
28-Jan-2023
Amended By
EN 61850-7-4:2010/A1:2020 - Communication networks and systems for power utility automation - Part 7-4: Basic communication structure - Compatible logical node classes and data object classes
Effective Date
01-Dec-2015

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SLOVENSKI STANDARD
01-september-2010
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Communication networks and systems for power utility automation - Part 7-4: Basic
communication structure - Compatible logical node classes and data object classes (IEC
61850-7-4:2010)
Kommunikationsnetze und -systeme für die Automatisierung in der elektrischen
Energieversorgung - Teil 7-4: Grundlegende Kommunikationsstruktur - Kompatible
Logikknotenund Datenklassen (IEC 61850-7-4:2010)
Réseaux et systèmes de communication pour l’automatisation des systèmes électriques
- Partie 7-4 : Structure de communication de base - Classes de noeud logique et classes
de donnée objet compatibles (CEI 61850-7-4:2010)
Ta slovenski standard je istoveten z: EN 61850-7-4:2010
ICS:
29.240.30 Krmilna oprema za Control equipment for electric
elektroenergetske sisteme power systems
33.200 Daljinsko krmiljenje, daljinske Telecontrol. Telemetering
meritve (telemetrija)
2003-01.Slovenski inštitut za standardizacijo. Razmnoževanje celote ali delov tega standarda ni dovoljeno.

EUROPEAN STANDARD
EN 61850-7-4
NORME EUROPÉENNE
June 2010
EUROPÄISCHE NORM
ICS 33.200 Supersedes EN 61850-7-4:2003

English version
Communication networks and systems for power utility automation -
Part 7-4: Basic communication structure -
Compatible logical node classes and data object classes
(IEC 61850-7-4:2010)
Réseaux et systèmes de communication Kommunikationsnetze und -systeme
pour l’automatisation des systèmes für die Automatisierung in der elektrischen
électriques - Energieversorgung -
Partie 7-4 : Structure de communication Teil 7-4: Grundlegende
de base - Kommunikationsstruktur -
Classes de nœud logique et classes Kompatible Logikknoten-
de donnée objet compatibles und Datenklassen
(CEI 61850-7-4:2010) (IEC 61850-7-4:2010)

This European Standard was approved by CENELEC on 2010-06-01. CENELEC members are bound to comply
with the CEN/CENELEC Internal Regulations which stipulate the conditions for giving this European Standard
the status of a national standard without any alteration.

Up-to-date lists and bibliographical references concerning such national standards may be obtained on
application to the Central Secretariat or to any CENELEC member.

This European Standard exists in three official versions (English, French, German). A version in any other
language made by translation under the responsibility of a CENELEC member into its own language and notified
to the Central Secretariat has the same status as the official versions.

CENELEC members are the national electrotechnical committees of Austria, Belgium, Bulgaria, Croatia, Cyprus,
the Czech Republic, Denmark, Estonia, Finland, France, Germany, Greece, Hungary, Iceland, Ireland, Italy,
Latvia, Lithuania, Luxembourg, Malta, the Netherlands, Norway, Poland, Portugal, Romania, Slovakia, Slovenia,
Spain, Sweden, Switzerland and the United Kingdom.

CENELEC
European Committee for Electrotechnical Standardization
Comité Européen de Normalisation Electrotechnique
Europäisches Komitee für Elektrotechnische Normung

Management Centre: Avenue Marnix 17, B - 1000 Brussels

© 2010 CENELEC - All rights of exploitation in any form and by any means reserved worldwide for CENELEC members.
Ref. No. EN 61850-7-4:2010 E
Foreword
The text of document 57/1045/FDIS, future edition 2 of IEC 61850-7-4, prepared by IEC TC 57, Power
systems management and associated information exchange, was submitted to the IEC-CENELEC
parallel vote and was approved by CENELEC as EN 61850-7-4 on 2010-06-01.
This European Standard supersedes EN 61850-7-4:2003.
Future standards in this series will carry the new general title as cited above. Titles of existing standards
in this series will be updated at the time of the next edition.
The major technical changes with regard to EN 61850-7-4:2003 are as follows:
− corrections and clarifications according to information letter "IEC 61850-technical issues by the
IEC TC 57” (see document 57/963/INF, 2008-07-18);
− extensions for new logical nodes for the power quality domain;
− extensions for the model for statistical and historical statistical data;
− extensions regarding IEC 61850-90-1 (substation-substation communication);
− extensions for new logical nodes for monitoring functions according to EN 62271;
− new logical nodes from EN 61850-7-410 and EN 61850-7-420 of general interest.
Attention is drawn to the possibility that some of the elements of this document may be the subject of
patent rights. CEN and CENELEC shall not be held responsible for identifying any or all such patent
rights.
The following dates were fixed:
– latest date by which the EN has to be implemented
at national level by publication of an identical
(dop) 2011-03-01
national standard or by endorsement
– latest date by which the national standards conflicting
(dow) 2013-06-01
with the EN have to be withdrawn
Annex ZA has been added by CENELEC.
__________
Endorsement notice
The text of the International Standard IEC 61850-7-4:2010 was approved by CENELEC as a European
Standard without any modification.
In the official version, for Bibliography, the following notes have to be added for the standards indicated:
IEC 60870-5-101 NOTE  Harmonized as EN 60870-5-101.
IEC 60870-5-103 NOTE  Harmonized as EN 60870-5-103.
IEC 61000-4-30 NOTE  Harmonized as EN 61000-4-30.
IEC 61850-6 NOTE  Harmonized as EN 61850-6.
IEC 61850-7-410:2007 NOTE  Harmonized as EN 61850-7-410:2007 (not modified).
IEC 61850-7-420 NOTE  Harmonized as EN 61850-7-420.
IEC 61850-8 series NOTE  Harmonized in EN 61850-8 series (not modified).

- 3 - EN 61850-7-4:2010
IEC 61850-9 series NOTE  Harmonized in EN 61850-9 series (not modified).
IEC 61850-10 NOTE  Harmonized as EN 61850-10.
__________
Annex ZA
(normative)
Normative references to international publications
with their corresponding European publications

The following referenced documents are indispensable for the application of this document. For dated
references, only the edition cited applies. For undated references, the latest edition of the referenced
document (including any amendments) applies.

NOTE  When an international publication has been modified by common modifications, indicated by (mod), the relevant EN/HD
applies.
Publication Year Title EN/HD Year

IEC 60270 2000 High-voltage test techniques - Partial EN 60270 2001
discharge measurements
IEC 61000-4-7 2002 Electromagnetic compatibility (EMC) - EN 61000-4-7 2002
Part 4-7: Testing and measurement
techniques - General guide on harmonics and
interharmonics measurements and
instrumentation, for power supply systems
and equipment connected thereto

IEC 61000-4-15 - Electromagnetic compatibility (EMC) - EN 61000-4-15 -
Part 4-15: Testing and measurement
techniques - Flickermeter - Functional and
design specifications
IEC/TS 61850-2 - Communication networks and systems in - -
substations -
Part 2: Glossary
IEC 61850-5 - Communication networks and systems in EN 61850-5 -
substations -
Part 5: Communication requirements for
functions and device models
1) 2)
IEC 61850-7-1 200X Communication networks and systems for EN 61850-7-1 200X
power utility automation -
Part 7-1: Basic communication structure -
Principles and models
1) 2)
IEC 61850-7-2 200X Communication networks and systems for EN 61850-7-2 200X
power utility automation -
Part 7-2: Basic information and
communication structure - Abstract
communication service interface (ACSI)

1) 2)
IEC 61850-7-3 200X Communication networks and systems for EN 61850-7-3 200X
power utility automation -
Part 7-3: Basic communication structure -
Common data classes
1)
To be published.
2)
At draft stage.
- 5 - EN 61850-7-4:2010
Publication Year Title EN/HD Year

IEC 61850-9-2 - Communication networks and systems for EN 61850-9-2 -
power utility automation -
Part 9-2: Specific Communication Service
Mapping (SCSM) - Sampled values over
ISO/IEC 8802-3
IEEE C37.111 1999 IEEE Standard for Common Format for - -
Transient Data Exchange (COMTRADE) for
Power Systems
IEEE 519 1992 IEEE Recommended Practises and - -
Requirements for Harmonic Control in
Electrical Power Systems
IEEE C37.2 1996 Electrical Power System Device Function - -
Numbers and Contact Designations

IEEE 1459 2000 IEEE Trial Use Standard Definitions for the - -
Measurement of Electric Power Quantities
Under Sinusoidal, Nonsinusoidal, Balanced
or Unbalanced Conditions
IEEE 1588 - IEEE Standard for a Precision Clock - -
Synchronization Protocol for Networked
Measurement and Control Systems

IEC 61850-7-4 ®
Edition 2.0 2010-03
INTERNATIONAL
STANDARD
colour
inside
Communication networks and systems for power utility automation –
Part 7-4: Basic communication structure – Compatible logical node classes and
data object classes
INTERNATIONAL
ELECTROTECHNICAL
COMMISSION
PRICE CODE
XH
ICS 33.200 ISBN 2-8318-1082-0
– 2 – 61850-7-4 © IEC:2010(E)
CONTENTS
FOREWORD.8
INTRODUCTION.10
Scope.11
2 Normative references.12
3 Terms and definitions .13
4 Abbreviated terms.13
5 Logical node classes.19
5.1 Logical node groups .19
5.2 Interpretation of logical node tables .20
5.3 System logical nodes LN group: L .21
5.3.1 LN relationships.21
5.3.2 LN: Physical device information  Name: LPHD.22
5.3.3 LN: common logical node  Name: Common LN.22
5.3.4 LN: Logical node zero  Name: LLN0 .24
5.3.5 LN: Physical communication channel supervision  Name: LCCH .24
5.3.6 LN: GOOSE subscription  Name: LGOS .25
5.3.7 LN: Sampled value subscription  Name: LSVS.25
5.3.8 LN: Time management  Name: LTIM.26
5.3.9 LN: Time master supervision  Name: LTMS.26
5.3.10 LN: Service tracking  Name: LTRK .27
5.4 Logical nodes for automatic control  LN Group: A.27
5.4.1 Modelling remarks .27
5.4.2 LN: Neutral current regulator  Name: ANCR .27
5.4.3 LN: Reactive power control  Name: ARCO.29
5.4.4 LN: Resistor control  Name: ARIS .29
5.4.5 LN: Automatic tap changer controller  Name: ATCC .30
5.4.6 LN: Voltage control  Name: AVCO.31
5.5 Logical nodes for control  LN Group: C .32
5.5.1 Modelling remarks .32
5.5.2 LN: Alarm handling  Name: CALH .32
5.5.3 LN: Cooling group control  Name: CCGR.32
5.5.4 LN: Interlocking  Name: CILO.33
5.5.5 LN: Point-on-wave switching  Name: CPOW.33
5.5.6 LN: Switch controller  Name: CSWI.34
5.5.7 LN: Synchronizer controller  Name: CSYN.35
5.6 Logical nodes for functional blocks  LN group F .36
5.6.1 Modelling remarks .36
5.6.2 LN: Counter  Name: FCNT .36
5.6.3 LN: Curve shape description  Name: FCSD .37
5.6.4 LN: Generic filter  Name: FFIL .37
5.6.5 LN: Control function output limitation  Name: FLIM .38
5.6.6 LN: PID regulator  Name: FPID .38
5.6.7 LN: Ramp function  Name: FRMP.39
...

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Power systems management and associated information exchange - Data and communications security - Part 3: Communication network and system security - Profiles including TCP/IP
SIST EN IEC 62351-3:2023

IEC 62351-3:2023 specifies how to provide confidentiality, integrity protection, and message level authentication for protocols that make use of TCP/IP as a message transport layer and utilize Transport Layer Security when cyber-security is required. This may relate to SCADA and telecontrol protocols, but also to additional protocols if they meet the requirements in this document. IEC 62351-3 specifies how to secure TCP/IP-based protocols through constraints on the specification of the messages, procedures, and algorithms of Transport Layer Security (TLS) (TLSv1.2 defined in RFC 5246, TLSv1.3 defined in RFC 8446). In the specific clauses, there will be subclauses to note the differences and commonalities in the application depending on the target TLS version. The use and specification of intervening external security devices (e.g., "bump-in-the-wire") are considered out-of-scope. In contrast to previous editions of this document, this edition is self-contained in terms of completely defining a profile of TLS. Hence, it can be applied directly, without the need to specify further TLS parameters, except the port number, over which the communication will be performed. Therefore, this part can be directly utilized from a referencing standard and can be combined with further security measures on other layers. Providing the profiling of TLS without the need for further specifying TLS parameters allows declaring conformity to the described functionality without the need to involve further IEC 62351 documents. This document is intended to be referenced as a normative part of other IEC standards that have the need for providing security for their TCP/IP-based protocol exchanges under similar boundary conditions. However, it is up to the individual protocol security initiatives to decide if this document is to be referenced. The document also defines security events for specific conditions, which support error handling, security audit trails, intrusion detection, and conformance testing. Any action of an organization in response to events to an error condition described in this document are beyond the scope of this document and are expected to be defined by the organization’s security policy. This document reflects the security requirements of the IEC power systems management protocols. Should other standards bring forward new requirements, this document may need to be revised. This second edition cancels and replaces the first edition published in 2014, Amendment 1:2018 and Amendment 2:2020. This edition constitutes a technical revision. This edition includes the following significant technical changes with respect to the previous edition: a) Inclusion of the TLSv1.2 related parameter required in IEC 62351-3 Ed.1.2 to be specified by the referencing standard. This comprises the following parameter: • Mandatory TLSv1.2 cipher suites to be supported. • Specification of session resumption parameters. • Specification of session renegotiation parameters. • Revocation handling using CRL and OCSP. • Handling of security events. b) Inclusion of a TLSv1.3 profile to be applicable for the power system domain in a similar way as for TLSv1.2 session.

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EN IEC 62351-9:2023(Main)
Power systems management and associated information exchange - Data and communications security - Part 9: Cyber security key management for power system equipment
SIST EN IEC 62351-9:2023

IEC 62351-9:2023 specifies cryptographic key management, primarily focused on the management of long-term keys, which are most often asymmetric key pairs, such as public-key certificates and corresponding private keys. As certificates build the base this document builds a foundation for many IEC 62351 services (see also Annex A). Symmetric key management is also considered but only with respect to session keys for group-based communication as applied in IEC 62351-6. The objective of this document is to define requirements and technologies to achieve interoperability of key management by specifying or limiting key management options to be used. This document assumes that an organization (or group of organizations) has defined a security policy to select the type of keys and cryptographic algorithms that will be utilized, which may have to align with other standards or regulatory requirements. This document therefore specifies only the management techniques for these selected key and cryptography infrastructures. This document assumes that the reader has a basic understanding of cryptography and key management principles. The requirements for the management of pairwise symmetric (session) keys in the context of communication protocols is specified in the parts of IEC 62351 utilizing or specifying pairwise communication such as: • IEC 62351-3 for TLS by profiling the TLS options • IEC 62351-4 for the application layer end-to-end security • IEC TS 62351-5 for the application layer security mechanism for IEC 60870-5-101/104 and IEEE 1815 (DNP3) The requirements for the management of symmetric group keys in the context of power system communication protocols is specified in IEC 62351-6 for utilizing group security to protect GOOSE and SV communication. IEC 62351-9 utilizes GDOI as already IETF specified group-based key management protocol to manage the group security parameter and enhances this protocol to carry the security parameter for GOOSE, SV, and PTP. This document also defines security events for specific conditions which could identify issues which might require error handling. However, the actions of the organisation in response to these error conditions are beyond the scope of this document and are expected to be defined by the organizations security policy. In the future, as public-key cryptography becomes endangered by the evolution of quantum computers, this document will also consider post-quantum cryptography to a certain extent. Note that at this time being no specific measures are provided. This second edition cancels and replaces the first edition published in 2017. This edition constitutes a technical revision. This edition includes the following significant technical changes with respect to the previous edition: a) Certificate components and verification of the certificate components have been added; b) GDOI has been updated to include findings from interop tests; c) GDOI operation considerations have been added; d) GDOI support for PTP (IEEE 1588) support has been added as specified by IEC/IEEE 61850-9-3 Power Profile; e) Cyber security event logging has been added as well as the mapping to IEC 62351-14; f) Annex B with background on utilized cryptographic algorithms and mechanisms has been added.

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EN 62488-2:2017/AC:2023-03(Corrigendum)
Power line communication systems for power utility applications - Part 2: Analogue power line carrier terminals or APLC
SIST EN 62488-2:2017/AC:2023
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EN IEC 62351-5:2023(Main)
Power systems management and associated information exchange - Data and communications security - Part 5: Security for IEC 60870-5 and derivatives
SIST EN IEC 62351-5:2023

This part of IEC 62351 defines the application authentication mechanism (A-profile) specifying messages, procedures and algorithms for securing the operation of all protocols based on or derived from IEC 60870-5: Telecontrol Equipment and Systems - Transmission Protocols. This Standard applies to at least those protocols listed in Table 1. [Table 1] The initial audience for this International Standard is intended to be the members of the working groups developing the protocols listed in Table 1. For the measures described in this standard to take effect, they must be accepted and referenced by the specifications for the protocols themselves. This document is written to enable that process. The working groups in charge of take this standard to the specific protocols listed in Table 1 may choose not to do so. The subsequent audience for this specification is intended to be the developers of products that implement these protocols. Portions of this standard may also be of use to managers and executives in order to understand the purpose and requirements of the work. This document is organized working from the general to the specific, as follows: - Clauses 2 through 4 provide background terms, definitions, and references. - Clause 5 describes the problems this specification is intended to address. - Clause 6 describes the mechanism generically without reference to a specific protocol. - Clauses 7 and 8 describe the mechanism more precisely and are the primary normative part of this specification. - Clause 9 define the interoperability requirements for this authentication mechanism. - Clause 10 describes the requirements for other standards referencing this specification Unless specifically labelled as informative or optional, all clauses of this specification are normative.

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EN IEC 61970-401:2022(Main)
Energy management system application program interface (EMS-API) - Part 401: Profile framework
SIST EN IEC 61970-401:2022

This document describes how IEC 61970-450 (all parts), IEC 61970-600 (all parts) profile specifications are structured and created. Profile specifications describe a subset of the Canonical CIM dedicated to a specific data exchange. The Canonical CIM is described in IEC 61970-300 (all parts) as well as in IEC 61968-11. Rules for creation or extension of Canonical CIM are outside the scope of this document. This document specifies the structure of a profile specification and the rules for selecting subsets of information from the Canonical CIM. It standardizes the operations used to create the profile elements from the Canonical CIM. As Canonical CIM is described in UML the operations are described in terms of UML classes, attributes, and roles. It is possible to map UML to RDFS or OWL, so any of the languages UML, RDFS or OWL can be used to describe the created profiles. Specification of languages (UML, RDFS or OWL) used to describe profiles as well as how profiles are presented and edited in user interfaces are outside the scope of this document. Languages used to describe profiles are specified in other specifications. Relevant specifications are referenced in Clause 2. UML supports adding free text that describes further restrictions on UML constructs, e.g. classes, attribute values, association roles and cardinalities. Languages such as OCL and SHACL are dedicated to describing constraints. OCL is used to describe constraints for object data described in UML while SHACL is used to describe constraints on graph data described by RDFS or OWL. OCL is within the scope of this document, but SHACL is not. This document supports profiles describing data exchanged as CIMXML datasets or messages. The exchange format within the scope is in accordance with IEC 61970-552 but other formats are possible. Tool interoperability and serialisation formats are outside the scope of this document.

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EN IEC 62325-451-8:2022(Main)
Framework for energy market communications - Part 451-8: HVDC Scheduling process, contextual and assembly models for European style market
SIST EN IEC 62325-451-8:2022

IEC 62325-451-8:2022 specifies a UML package for the HVDC Link scheduling business process and its associated document contextual models, assembly models and XML schemas for use within the European style electricity markets. This part of IEC 62325 is based on the European style market contextual model (IEC 62325-351). The business process covered by this part of IEC 62325 is described in Subclause 5.3. The relevant aggregate core components (ACCs) defined in IEC 62325-351 have been contextualised into aggregated business information entities (ABIEs) to satisfy the requirements of the European style market HVDC Link scheduling business process.

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