EN 62056-7-3:2017

SLOVENSKI STANDARD
01-september-2017
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Electricity metering data exchange - The DLMS/COSEM suite - Part 7-3: Wired and
wireless M-Bus communication profiles for local and neighbourhood networks
Ta slovenski standard je istoveten z: EN 62056-7-3:2017
ICS:
17.220.20 0HUMHQMHHOHNWULþQLKLQ Measurement of electrical
PDJQHWQLKYHOLþLQ and magnetic quantities
35.100.05 9HþVORMQHXSRUDEQLãNH Multilayer applications
UHãLWYH
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 62056-7-3

NORME EUROPÉENNE
EUROPÄISCHE NORM
June 2017
ICS 17.220.20; 35.100.01; 91.140.50

English Version
Electricity metering data exchange - The DLMS/COSEM suite -
Part 7-3: Wired and wireless M-Bus communication profiles for
local and neighbourhood networks
(IEC 62056-7-3:2017)
Échange des données de comptage de l'électricité - La Datenkommunikation der elektrischen Energiemessung -
suite DLMS/COSEM - Partie 7-3: Profils de communication DLMS/COSEM - Teil 7-3: Kommunikationsprofile für
M-Bus filaires et sans fil pour les réseaux locaux et de drahtgebundenen und funkbasierten M-Bus für lokale und
voisinage Areal-Netze
(IEC 62056-7-3:2017) (IEC 62056-7-3:2017)
This European Standard was approved by CENELEC on 2017-04-11. 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: Avenue Marnix 17, B-1000 Brussels
© 2017 CENELEC All rights of exploitation in any form and by any means reserved worldwide for CENELEC Members.
Ref. No. EN 62056-7-3:2017 E
European foreword
The text of document 13/1729/FDIS, future edition 1 of IEC 62056-7-3, prepared by
IEC/TC 13 "Electrical energy measurement and control" was submitted to the IEC-CENELEC parallel
vote and approved by CENELEC as EN 62056-7-3:2017.

The following dates are fixed:
(dop) 2018-01-11
• latest date by which the document has to be
implemented at national level by
publication of an identical national
standard or by endorsement
• latest date by which the national (dow) 2020-04-11
standards conflicting with the
document have to be withdrawn
Attention is drawn to the possibility that some of the elements of this document may be the subject of
patent rights. CENELEC [and/or CEN] shall not be held responsible for identifying any or all such
patent rights.
Endorsement notice
The text of the International Standard IEC 62056-7-3:2017 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 60870-5-1:1990 NOTE Harmonized as EN 60870-5-1:1993 (not modified).
IEC 62056-1-0 NOTE Harmonized as EN 62056-1-0.
IEC 62056-7-5 NOTE Harmonized as EN 62056-7-5.
Annex ZA
(normative)
Normative references to international publications
with their corresponding European publications

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

NOTE 1 When 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 - EN 13757-1 -
Part 1: Data exchange
- - 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 2013
remote reading of meters -
Part 3: Dedicated application layer
- - Communication systems for meters and EN 13757-4 2013
remote reading of meters -
Part 4: Wireless meter readout (Radio
meter reading for operation in SRD bands)
IEC 62056-5-3 2016 Electricity metering data exchange - EN 62056-5-3 2016
The DLMS/COSEM suite -
Part 5-3: DLMS/COSEM application layer
IEC 62056-6-1 2015 Electricity metering data exchange - EN 62056-6-1 2016
The DLMS/COSEM suite -
Part 6-1: Object Identification System
(OBIS)
IEC 62056-6-2 2016 Electricity metering data exchange - EN 62056-6-2 2016
The DLMS/COSEM suite -
Part 6-2: COSEM interface classes
1) 1)
IEC 62056-6-2 -  Electricity metering data exchange - EN 62056-6-2 -
The DLMS/COSEM suite -
Part 6-2: COSEM interface classes

1)
At draft stage.
IEC 62056-7-3 ®
Edition 1.0 2017-03
INTERNATIONAL
STANDARD
colour
inside
Electricity metering data exchange – The DLMS/COSEM suite –

Part 7-3: Wired and wireless M-Bus communication profiles for local and

neighbourhood networks
INTERNATIONAL
ELECTROTECHNICAL
COMMISSION
ICS 17.220.20; 35.100.01; 91.140.50 ISBN 978-2-8322-4012-0

– 2 – IEC 62056-7-3:2017 © IEC 2017
CONTENTS
FOREWORD . 4
INTRODUCTION . 6
1 Scope . 7
2 Normative references . 7
3 Terms, definitions and abbreviated terms . 8
3.1 Terms and definitions. 8
3.2 Abbreviated terms . 8
4 Targeted communication environments . 9
5 Use of the communication layers for this profile . 9
5.1 Information related to the use of the standard specifying the lower layers . 9
5.2 Structure of the communication profiles . 9
5.3 Lower protocol layers and their use . 10
5.3.1 Physical layer . 10
5.3.2 Link layer . 10
5.3.3 Transport layer . 11
5.4 Service mapping and adaptation layers . 11
5.4.1 Overview . 11
5.4.2 MBUS-DATA service primitives . 12
5.4.3 MBUS-DATA protocol specification . 14
5.5 Registration and connection management . 16
6 Identification and addressing scheme . 16
6.1 Overview . 16
6.2 Link Layer Address for wired M-Bus . 17
6.3 Link Layer Address for wireless M-Bus . 18
6.4 Link Layer Address for M-Bus broadcast . 18
6.5 Transport layer address . 19
6.6 Application addressing extension – M-Bus wrapper . 21
7 Specific considerations and constraints for using certain services within profile . 22
7.1 Overview . 22
7.2 Application association establishment and release: ACSE services . 22
7.3 xDLMS services . 23
7.3.1 Request – response type services . 23
7.3.2 Unsolicited services . 23
7.3.3 Broadcast messages . 23
7.4 Security mechanisms . 24
7.5 Transporting long application messages . 24
7.6 Media access, bandwidth and timing considerations . 24
8 Communication configuration and management . 24
Annex A (informative) M-Bus frame structures, addressing schemes and examples . 25
A.1 General . 25
A.2 None, short or long M-Bus data header . 26
A.2.1 Wired M-Bus . 26
A.2.2 Wireless M-Bus . 27
A.3 Encoding example: Data-Notification carrying daily billing data . 30
A.3.1 Overview . 30
A.3.2 Example: Daily billing data. 31

IEC 62056-7-3:2017 © IEC 2017 – 3 –
Annex B (normative)  New COSEM interface classes related to the M-Bus
communication profiles . 33
Annex C (informative) Message sequence charts . 34
Bibliography . 37

Figure 1 – Entities and interfaces of a smart metering system using the terminology of
IEC 62056-1-0 . 9
Figure 2 – The DLMS/COSEM wired and wireless M-Bus communication profiles . 10
Figure 3 – Summary of DLMS/COSEM M-Bus-based TL services . 12
Figure 4 – Identification and addressing scheme in the wired M-Bus profile . 17
Figure 5 – Link Layer Address for wireless M-Bus . 18
Figure 6 – M-Bus TPDU formats . 20
Figure 7 – CI without M-Bus data header . 20
TL
Figure A.1 – M-Bus communication paths direct or cascaded . 25
Figure A.2 – Wired M-Bus frame structure, none M-Bus data header . 27
Figure A.3 – Wired M-Bus frame structure with long M-Bus data header . 27
Figure A.4 – Wireless M-Bus frame structure with short ELL, no M-Bus data header . 29
Figure A.5 – Wireless M-Bus frame structure with long ELL, no M-Bus data header . 29
Figure A.6 – Wireless M-Bus frame structure with long ELL and long M-Bus data
header . 30
Figure A.7 – Daily billing data without / with DLMS/COSEM security applied . 32
Figure C.1 – MSC for the COSEM-OPEN service for wired M-Bus, no M-Bus header . 35
Figure C.2 – MSC the GET
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