EN IEC 62056-6-2:2018

Electricity metering data exchange - The DLMS/COSEM suite - Part 6-2: COSEM interface classes

IEC 62056-6-2:2017 specifies a model of a meter as it is seen through its communication interface(s). Generic building blocks are defined using object-oriented methods, in the form of interface classes to model meters from simple up to very complex functionality. Annexes A to F (informative) provide additional information related to some interface classes. This third edition cancels and replaces the second edition of IEC 62056-6-2 published in 2016. It constitutes a technical revision. The significant technical changes with respect to the previous edition are listed in Annex F(Informative).

Datenkommunikation der elektrischen Energiemessung - DLMS/COSEM - Teil 6-2: Interface-Klassen

Échange des données de comptage de l'électricité - La suite DLMS/COSEM - Partie 6-2: Classes d'interfaces COSEM

L'IEC 62056-6-2:2017 spécifie un modèle de compteur tel qu'il est vu à travers son/ses interface(s) de communication. Des blocs génériques de base sont définis à l'aide de méthodes orientées objet, sous la forme de classes d'interfaces pour modéliser les compteurs à partir d'une fonctionnalité simple jusqu'à une fonctionnalité très complexe. L'Annexe A à l'Annexe F (informative) donnent des informations supplémentaires relatives à certaines classes d'interfaces. Cette troisième édition annule et remplace la deuxième édition de l'IEC 62056-6-2, parue en 2016. Cette édition constitue une révision technique. Les modifications techniques majeures par rapport à l'édition précédente sont énumérées à l'Annexe F(Informative).

Izmenjava podatkov meritev električne energije - Niz DLMS/COSEM - 6-2. del: Vmesniški razredi COSEM

Ta del standarda IEC 62056 določa model števca, kot je videti prek komunikacijskega vmesnika. Splošni gradniki so opredeljeni z metodami, ki so usmerjene v objekte, in sicer v obliki vmesniških razredov za modele števcev od preprostih do zelo zapletenih funkcij.
Dodatki od A do F (informativni) zagotavljajo dodatne informacije v zvezi z nekaterimi vmesniškimi razredi.

General Information

• Status: Published
• Publication Date: 22-Feb-2018
• Withdrawal Date: 22-Feb-2021
• ICS: 17.220 - Electricity. Magnetism. Electrical and magnetic measurements
• ICS: 35.110 - Networking
• ICS: 91.140.50 - Electricity supply systems
• Technical Committee: CLC/TC 13 - Equipment for electrical energy measurement and load control
• Drafting Committee: IEC/TC 13 - IEC_TC_13
• Current Stage: 6060 - Document made available - Publishing
• Start Date: 23-Feb-2018
• Completion Date: 23-Feb-2018
• Mandate: M/441 - Standardisation mandate to CEN, CENELEC and ETSI in the field of measuring instruments for the development of an open architecture for utility meters involving communication protocols enabling interoperability
• Mandate: M/490 - Standardisation mandate to the European Standardisation Organisations (ESOs) to support European Smart Grid deployment
• Ref Project: SIST EN IEC 62056-6-2:2018 - Electricity metering data exchange - The DLMS/COSEM suite - Part 6-2: COSEM interface classes

Relations

• Replaces: EN 62056-6-2:2016 - Electricity metering data exchange - The DLMS/COSEM suite - Part 6-2: COSEM interface classes
• Effective Date: 07-Jun-2022
• Replaced By: EN IEC 62056-6-2:2023 - Electricity metering data exchange - The DLMS®/COSEM suite - Part 6-2: COSEM interface classes
• Effective Date: 26-Jul-2021

Standards Content (Sample)

SLOVENSKI STANDARD
01-april-2018
1DGRPHãþD
SIST EN 62056-6-2:2017
,]PHQMDYDSRGDWNRYPHULWHYHOHNWULþQHHQHUJLMH1L]'/06&26(0GHO
9PHVQLãNLUD]UHGL&26(0
Electricity metering data exchange - The DLMS/COSEM suite - Part 6-2: COSEM
interface classes
Datenkommunikation der elektrischen Energiemessung - DLMS/COSEM - Teil 6-2:
Interface-Klassen
Echange des données de comptage de l'électricité - La suite DLMS/COSEM - Partie 6-2:
Classes d'interface COSEM (CEI 62056-6-2 :2013)
Ta slovenski standard je istoveten z: EN IEC 62056-6-2:2018
ICS:
17.220.20 0HUMHQMHHOHNWULþQLKLQ Measurement of electrical
PDJQHWQLKYHOLþLQ and magnetic quantities
35.110 Omreževanje Networking
91.140.50 Sistemi za oskrbo z elektriko Electricity supply systems
2003-01.Slovenski inštitut za standardizacijo. Razmnoževanje celote ali delov tega standarda ni dovoljeno.

EUROPEAN STANDARD EN IEC 62056-6-2

NORME EUROPÉENNE
EUROPÄISCHE NORM
February 2018
ICS 17.220; 35.110; 91.140.50 Supersedes EN 62056-6-2:2016
English Version
Electricity metering data exchange - The DLMS/COSEM suite -
Part 6-2: COSEM interface classes
(IEC 62056-6-2:2017)
Échange des données de comptage de l'électricité - La Datenkommunikation der elektrischen Energiemessung -
suite DLMS/COSEM - Partie 6-2: Classes d'interfaces DLMS/COSEM - Teil 6-2: Interface-Klassen
COSEM (IEC 62056-6-2:2017)
(IEC 62056-6-2:2017)
This European Standard was approved by CENELEC on 2017-10-11. 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 CEN-CENELEC
Management Centre 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 CEN-CENELEC Management Centre 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, Former Yugoslav Republic of Macedonia, France, Germany, Greece, Hungary, Iceland, Ireland, Italy, Latvia,
Lithuania, Luxembourg, Malta, the Netherlands, Norway, Poland, Portugal, Romania, Serbia, Slovakia, Slovenia, Spain, Sweden,
Switzerland, Turkey and the United Kingdom.

European Committee for Electrotechnical Standardization
Comité Européen de Normalisation Electrotechnique
Europäisches Komitee für Elektrotechnische Normung
CEN-CENELEC Management Centre: Rue de la Science 23, B-1040 Brussels
© 2018 CENELEC All rights of exploitation in any form and by any means reserved worldwide for CENELEC Members.
Ref. No. EN IEC 62056-6-2:2018 E

European foreword
The text of document 13/1746/FDIS, future edition 3 of IEC 62056-6-2, prepared by IEC/TC 13
"Electrical energy measurement and control" was submitted to the IEC-CENELEC parallel vote and
approved by CENELEC as EN IEC 62056-6-2:2018.

The following dates are fixed:
• latest date by which the document has to be (dop) 2018-08-23
implemented at national level by
publication of an identical national
standard or by endorsement
(dow) 2021-02-23
• latest date by which the national
standards conflicting with the
document have to be withdrawn
This document supersedes EN 62056-6-2:2016.

Attention is drawn to the possibility that some of the elements of this document may be the subject of
patent rights. CENELEC shall not be held responsible for identifying any or all such patent rights.

This document has been prepared under a mandate given to CENELEC by the European Commission
and the European Free Trade Association.

Endorsement notice
The text of the International Standard IEC 62056-6-2:2017 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 61334-6:2000 NOTE Harmonized as EN 61334-6:2000 (not modified).
IEC 62056-4-7:2015 NOTE Harmonized as EN 62056-4-7:2016 (not modified).
IEC 62056-7-6:2013 NOTE Harmonized as EN 62056-7-6:2013 (not modified).
IEC 62056-9-7:2013 NOTE Harmonized as EN 62056-9-7:2013 (not modified).
1 2
IEC 62056-8-4 NOTE Harmonized as EN 62056-8-4 (not modified).
IEC 62056-8-5:2017 NOTE Harmonized as EN 62056-8-5:2017 (not modified).

To be published. Stage at the time of publication: IEC CDV 62056-8-4:2017.
To be published. Stage at the time of publication: prEN 62056-8-4:2017.
Annex ZA
(normative)
Normative references to international publications
with their corresponding European publications

The following documents are referred to in the text in such a way that some or all of their content
constitutes requirements 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 1  Where an International Publication has been modified by common modifications, indicated by (mod), the relevant
EN/HD applies.
NOTE 2  Up-to-date information on the latest versions of the European Standards listed in this annex is available here:
www.cenelec.eu.
Publication Year Title EN/HD Year
- - Communication systems for meters and EN 13757-2 2004
remote reading of meters - Part 2: Physical
and link layer
- - Communication systems for meters and EN 13757-3 2004
remote reading of meters - Part 3:
Dedicated application layer
- - Communication systems for meters and EN 13757-3 2013
remote reading of meters - Part 3:
Dedicated application layer
- - Communication system for and remote EN 13757-4 2013
reading of meters – Part 4: Wireless meter
(Radio meter reading for operation in SRD
bands)
- - Communication systems for meters - Part EN 13757-5 2015
5: Wireless M-Bus relaying
IEC 61334-4-32 1996 Distribution automation using distribution EN 61334-4-32 1996
line carrier systems -- Part 4: Data
communication protocols -- Section 32:
Data link layer - Logical link control (LLC)
IEC 61334-4-41 1996 Distribution automation using distribution EN 61334-4-41 1996
line carrier systems -- Part 4: Data
communication protocols -- Section 41:
Application protocols - Distribution line
message specification
IEC 61334-4-511 2000 Distribution automation using distribution EN 61334-4-511 2000
line carrier systems -- Part 4-511: Data
communication protocols - Systems
management - CIASE protocol
Superseded by EN 13757-3:2013.
IEC 61334-4-512 2001 Distribution automation using distribution EN 61334-4-512 2002
line carrier systems -- Part 4-512: Data
communication protocols - System
management using profile 61334-5-1 -
Management Information Base (MIB)
IEC 61334-5-1 2001 Distribution automation using distribution EN 61334-5-1 2001
line carrier systems -- Part 5-1: Lower layer
profiles - The spread frequency shift keying
(S-FSK) profile
IEC TR 62055-21 2005 Electricity metering - Payment systems - - -
Part 21: Framework for standardization
IEC 62056-21 2002 Electricity metering - Data exchange for EN 62056-21 2002
meter reading, tariff and load control - Part
21: Direct local data exchange
IEC 62056-31 1999 Electricity metering - Data exchange for EN 62056-31 2000
meter reading, tariff and load control - Part
31: Use of local area networks on twisted
pair with carrier signalling
IEC 62056-3-1 2013 Electricity metering data exchange - The EN 62056-3-1 2014
DLMS/COSEM suite -- Part 3-1: Use of
local area networks on twisted pair with
carrier signalling
IEC 62056-46 2002 Electricity metering - Data exchange for EN 62056-46 2002
meter reading, tariff and load control -- Part
46: Data link layer using HDLC protocol
+ A1 2006  + A1 2007
IEC 62056-5-3 2017 Electricity metering data exchange - The EN 62056-5-3 2017
DLMS/COSEM suite - Part 5-3:
DLMS/COSEM application layer
IEC 62056-6-1 2017 Electricity metering data exchange - The EN 62056-6-1 2017
DLMS/COSEM suite - Part 6-1: Object
Identification System (OBIS)
IEC 62056-7-3 2017 Electricity metering data exchange - The EN 62056-7-3 2017
DLMS/COSEM suite - Part 7-3: Wired and
wireless M-Bus communication profiles for
local and neighbourhood networks
IEC 62056-8-3 2013 Electricity metering data exchange - The EN 62056-8-3 2013
DLMS/COSEM suite -- Part 8-3:
Communication profile for PLC S-FSK
neighbourhood networks
IEC 62056-8-6 2017 Electricity metering data exchange - The EN 62056-8-6 2017
DLMS/COSEM suite - Part 8-6: High
speed PLC ISO/IEC 12139-1 profile for
neighbourhood networks
Superseded by EN 62056-3-1:2014 (IEC 62056-3-1:2013).
ISO/IEC 8802-2 1998 Information technology - - -
Telecommunications and information
exchange between systems - Local and
metropolitan area networks - Specific
requirements - Part 2: Logical link control
ISO/IEC 12139-1 2009 Information technology - - -
Telecommunications and information
exchange between systems - Powerline
communication (PLC) - High speed PLC
medium access control (MAC) and
physical layer (PHY) - Part 1: General
requirements
ISO/IEC/IEEE 2011 Information technology - Microprocessor - -
60559 Systems - Floating-Point arithmetic
ISO 4217 -  Codes for the representation of currencies - -
3GPP TS 24.301 2016 Technical Specification Group Core - -
V13.4.0 Network and Terminals; Non-Access-
Stratum (NAS) protocol for Evolved Packet
System (EPS); Stage 3
ITU-T E.212 2008 The international identification plan for - -
public networks and subscriptions
ITU-T G.9903 2012 SERIES G: TRANSMISSION SYSTEMS - -
AND MEDIA, DIGITAL SYSTEMS AND
NETWORKS - Access networks - In
premises networks - Narrow-band
orthogonal frequency division multiplexing
power line communication transceivers for
G3-PLC networks
+A1 2013
ITU-T G.9903 2014 SERIES G: TRANSMISSION SYSTEMS - -
AND MEDIA, DIGITAL SYSTEMS AND
NETWORKS - Access networks - In
premises networks - Narrow-band
orthogonal frequency division multiplexing
power line communication transceivers for
G3-PLC networks
ITU-T G.9904 2012 SERIES G: TRANSMISSION SYSTEMS - -
AND MEDIA, DIGITAL SYSTEMS AND
NETWORKS - Access networks - In
premises networks - Narrow-band
orthogonal frequency division multiplexing
power line communication transceivers for
PRIME networks
IEEE 802.15.4 2006 Standard for Information technology-- - -
Local and metropolitan area networks--
Specific requirements-- Part 15.4: Wireless
Medium Access Control (MAC) and
Physical Layer (PHY) Specifications for
Low Rate Wireless Personal Area
Networks (WPANs)
ETSI GSM 05.08 1996 Digital cellular telecommunications system - -
(Phase 2+); Radio subsystem link control
ANSI 1997 Utility Industry End Device Data Tables - -
C12.19:1997/IEEE
ZigBee® 053474 - ZigBee® Specification - -
IETF STD 51 1994 The Point-to-Point Protocol (PPP) - -
IETF STD 51 / RFC 1994 The Point-to-Point Protocol (PPP) - -
IETF STD 51 / RFC 1994 PPP in HDLC-like Framing - -
RFC 791 1981 Internet Protocol - DARPA Internet - -
Program Protocol Specification
RFC 1144 1990 Compressing TCP/IP Headers for Low- - -
Speed Serial Links
RFC 1332 1992 The PPP Internet Protocol Control Protocol - -
(IPCP)
RFC 1570 1994 PPP LCP Extensions - -
RFC 1994 1996 PPP Challenge Handshake Authentication - -
Protocol (CHAP)
RFC 2433 1998 PPP CHAP Extension - -
RFC 2474 1998 Definition of the Differentiated Services - -
Field (DS Field) in the IPv4 and IPv6
Headers
RFC 2507 1999 IP Header Compression - -
RFC 2508 1999 Compressing IP/UDP/RTP Headers for - -
Low-Speed Serial Links
RFC 2759 2000 Microsoft PPP CHAP Extensions - -
RFC 2986 -  PKCS #10: Certification Request Syntax - -
Specification Version 1.7
RFC 3095 2001 Robust Header Compression (ROHC): - -
Framework and four profiles: RTP, UDP,
ESP, and uncompressed
RFC 3241 2002 Robust Header Compression (ROHC) over - -
PPP
RFC 3513 2003 Internet Protocol Version 6 (IPv6) - -
Addressing Architecture
RFC 3544 2003 IP Header Compression over PPP - -
RFC 3748 2014 Extensible Authentication Protocol (EAP) - -
RFC 4861 2007 Neighbor Discovery for IP version 6 (IPv6) - -
RFC 5280 2008 Internet X.509 Public Key Infrastructure - -
Certificate and Certificate Revocation List
(CRL) Profile
RFC 5905 2010 Network Time Protocol Version 4: Protocol - -
and Algorithms Specification
RFC 6282 2011 Compression Format for IPv6 Datagrams - -
over IEEE 802.15.4-Based Networks
RFC 6775 2012 Neighbor Discovery Optimization for IPv6 - -
over Low-Power Wireless Personal Area
Networks (6LoWPANs)
Point-to-Point (PPP)  Protocol Field Assignments - -

IEC 62056-6-2 ®
Edition 3.0 2017-09
INTERNATIONAL
STANDARD
NORME
INTERNATIONALE
colour
inside
Electricity metering data exchange – The DLMS/COSEM suite –

Part 6-2: COSEM interface classes

Échange des données de comptage de l'électricité – La suite DLMS/COSEM –

Partie 6-2: Classes d'interfaces COSEM

INTERNATIONAL
ELECTROTECHNICAL
COMMISSION
COMMISSION
ELECTROTECHNIQUE
INTERNATIONALE
ICS 17.220; 35.110; 91.140.50 ISBN 978-2-8322-4771-6

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