EN IEC 62056-8-4:2019

Electricity metering data exchange - the DLMS/COSEM suite - Part 8-4: Communication profiles for narrow-band OFDM PLC PRIME neighbourhood networks

This part of IEC 62056 specifies DLMS/COSEM communication profiles for narrow-band OFDM power line carrier PRIME neighbourhood networks using the modulation as specified in Recommendation ITU-T G.9904:2012. Three communication profiles are specified: - a profile using the IEC 61334-4-32 LLC layer; - a profile using TCP-UDP/IPv4; - a profile using TCP-UDP/IPv6.

Datenkommunikation der elektrischen Energiemessung - DLMS/COSEM - Teil 8-4: Kommunikationsprofile für Schmalband-OFDM-PLC-PRIME-Nachbarschaftsnetzwerke

Échange des données de comptage de l'électricité - la suite DLMS/COSEM - Partie 8-4: Profils de communication pour réseaux de voisinage OFDM PLC PRIME à bande étroite

La présente partie de l'IEC 62056 spécifie les profils de communication DLMS/COSEM pour les réseaux de voisinage OFDM utilisant les courants porteurs en ligne PRIME utilisant la modulation conformément à la Recommandation UIT-T G.9904:2012. Trois profils de communication sont spécifiés: - un profil utilisant la couche LLC IEC 61334-4-32; - un profil utilisant TCP-UDP/IPv4; - un profil utilisant TCP-UDP/IPv6.

Izmenjava podatkov meritev električne energije - Niz DLMS/COSEM - 8-4. del: Komunikacijski profil za ozkopasovna OFDM PLC PRIME sosedska omrežja

Ta del standarda IEC 62056 določa komunikacijske profile DLMS/COSEM za ozkopasovna
OFDM PLC PRIME sosedska omrežja z uporabo modulacije, ki je določena v
priporočilu ITU-T G.9904:2012.
Določeni so trije komunikacijski profili:
• profil z uporabo sloja IEC 61334-4-32 LLC;
• profil z uporabo TCP-UDP/IPv4;
• profil z uporabo TCP-UDP/IPv6.

General Information

• Status: Published
• Publication Date: 28-Feb-2019
• Withdrawal Date: 16-Jan-2022
• ICS: 17.220.20 - Measurement of electrical and magnetic quantities
• 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: 01-Mar-2019
• Completion Date: 01-Mar-2019
• Ref Project: SIST EN IEC 62056-8-4:2019 - Electricity metering data exchange - The DLMS/COSEM suite - Part 8-4: Communication profiles for narrow-band OFDM PLC PRIME neighbourhood networks

Standards Content (Sample)

SLOVENSKI STANDARD
SIST EN IEC 62056-8-4:2019
01-julij-2019
Izmenjava podatkov meritev električne energije - Niz DLMS/COSEM - 8-4. del:
Komunikacijski profil za ozkopasovna OFDM PLC PRIME sosedska omrežja

Electricity metering data exchange - The DLMS/COSEM suite - Part 8-4: Communication

profiles for narrow-band OFDM PLC PRIME neighbourhood networks
Datenkommunikation der elektrischen Energiemessung - DLMS/COSEM - Teil 8-4:
Kommunikationsprofile für Schmalband-OFDM-PLC-PRIME-Nachbarschaftsnetzwerke

Échange des données de comptage de l'électricité - la suite DLMS/COSEM - Partie 8-4:

Profils de communication pour réseaux de voisinage OFDM PLC PRIME à bande étroite

Ta slovenski standard je istoveten z: EN IEC 62056-8-4:2019
ICS:
17.220.20 Merjenje električnih in Measurement of electrical
magnetnih veličin and magnetic quantities
35.240.50 Uporabniške rešitve IT v IT applications in industry
industriji
91.140.50 Sistemi za oskrbo z elektriko Electricity supply systems
SIST EN IEC 62056-8-4:2019 en

2003-01.Slovenski inštitut za standardizacijo. Razmnoževanje celote ali delov tega standarda ni dovoljeno.

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SIST EN IEC 62056-8-4:2019
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SIST EN IEC 62056-8-4:2019
EUROPEAN STANDARD EN IEC 62056-8-4
NORME EUROPÉENNE
EUROPÄISCHE NORM
March 2019
ICS 35.110; 17.220.20; 91.140.50
English Version
Electricity metering data exchange - the DLMS/COSEM suite -
Part 8-4: Communication profiles for narrow-band OFDM PLC
PRIME neighbourhood networks
(IEC 62056-8-4:2018)

Échange des données de comptage de l'électricité - la suite Datenkommunikation der elektrischen Energiemessung -

DLMS/COSEM - Partie 8-4: Profils de communication pour DLMS/COSEM - Teil 8-4: Kommunikationsprofile für

réseaux de voisinage OFDM PLC PRIME à bande étroite Schmalband-OFDM-PLC-PRIME-Nachbarschaftsnetzwerke

(IEC 62056-8-4:2018) (IEC 62056-8-4:2018)

This European Standard was approved by CENELEC on 2019-01-17. 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

© 2019 CENELEC All rights of exploitation in any form and by any means reserved worldwide for CENELEC Members.

Ref. No. EN IEC 62056-8-4:2019 E
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SIST EN IEC 62056-8-4:2019
EN IEC 62056-8-4:2019 (E)
European foreword

The text of document 13/1749/CDV, future edition 1 of IEC 62056-8-4, 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 62056-8-4:2019.
The following dates are fixed:

• latest date by which the document has to be implemented at national (dop) 2019-10-17

level by publication of an identical national standard or by endorsement

• latest date by which the national standards conflicting with the (dow) 2022-01-17

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 shall not be held responsible for identifying any or all such patent rights.

Endorsement notice

The text of the International Standard IEC 62056-8-4:2018 was approved by CENELEC as a

European Standard without any modification.

In the official version, for Bibliography, the following note has to be added for the standard indicated:

IEC 61334-4-1:1996 NOTE Harmonized as EN 61334-4-1:1996 (not modified)
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SIST EN IEC 62056-8-4:2019
EN IEC 62056-8-4:2019 (E)
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

IEC 61334-4-32 1996 Distribution automation using distribution line EN 61334-4-32 1996

carrier systems - Part 4: Data
communication protocols - Section 32: Data
link layer - Logical link control (LLC)

IEC 61334-4-511 2000 Distribution automation using distribution line EN 61334-4-511 2000

carrier systems - Part 4-511: Data
communication protocols - Systems
management - CIASE protocol
IEC 62056-1-0 - Electricity metering data exchange - The EN 62056-1-0 -
DLMS/COSEM suite - Part 1-0: Smart
metering standardisation framework
IEC/TS 62056-1-1 - Electricity metering data exchange - The - -
DLMS/COSEM suite - Part 1-1: Template
for DLMS/COSEM communication profile
standards
IEC 62056-4-7 2015 Electricity metering data exchange - The EN 62056-4-7 2016
DLMS/COSEM suite - Part 4-7:
DLMS/COSEM transport layer for IP
networks
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 - Electricity metering data exchange - The EN 62056-6-1 -
DLMS/COSEM suite - Part 6-1: Object
Identification System (OBIS)

IEC 62056-6-2 2017 Electricity metering data exchange - The EN IEC 62056-6-2 2018

DLMS/COSEM suite - Part 6-2: COSEM
interface classes
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SIST EN IEC 62056-8-4:2019
EN IEC 62056-8-4:2019 (E)
IEC 62056-9-7 2013 Electricity metering data exchange - The EN 62056-9-7 2013
DLMS/COSEM suite - Part 9-7:
Communication profile for TCP-UDP/IP
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
STD 0005 - Internet Protocol - -
STD 0006 - User Datagram Protocol - -
STD 0007 - Transmission Control Protocol - -
RFC 1144 - Compressing TCP/IP Headers for Low- - -
Speed Serial Links
RFC 2460 - Internet Protocol, Version 6 (IPv6) - -
Specification
RFC 2464 - Transmission of IPv6 Packets over Ethernet - -
Networks
RFC 3315 - Dynamic Host Configuration Protocol for - -
IPv6 (DHCPv6)
RFC 4291 - IP Version 6 Addressing Architecture - -
RFC 4862 - IPv6 Stateless Address Autoconfiguration - -
RFC 6282 - Compression Format for IPv6 Datagrams - -
over IEEE 802.15.4-Based Networks
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SIST EN IEC 62056-8-4:2019
IEC 62056-8-4
Edition 1.0 2018-12
INTERNATIONAL
STANDARD
NORME
INTERNATIONALE
colour
inside
Electricity metering data exchange – the DLMS/COSEM suite –
Part 8-4: Communication profiles for narrow-band OFDM PLC PRIME
neighbourhood networks
Échange des données de comptage de l'électricité – la suite DLMS/COSEM –
Partie 8-4: Profils de communication pour réseaux de voisinage OFDM PLC
PRIME à bande étroite
INTERNATIONAL
ELECTROTECHNICAL
COMMISSION
COMMISSION
ELECTROTECHNIQUE
INTERNATIONALE
ICS 17.220.20; 35.110.01; 91.140.50 ISBN 978-2-8322-6334-1

Warning! Make sure that you obtained this publication from an authorized distributor.

Attention! Veuillez vous assurer que vous avez obtenu cette publication via un distributeur agréé.

® Registered trademark of the International Electrotechnical Commission
Marque déposée de la Commission Electrotechnique Internationale
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SIST EN IEC 62056-8-4:2019
– 2 – IEC 62056-8-4:2018  IEC 2018
CONTENTS

FOREWORD ........................................................................................................................... 5

INTRODUCTION ..................................................................................................................... 7

1 Scope .............................................................................................................................. 8

2 Normative references ...................................................................................................... 8

3 Terms, definitions and abbreviated terms ...................................................................... 10

3.1 Terms and definitions ............................................................................................ 10

3.2 Abbreviated terms ................................................................................................. 10

4 Targeted communication environments .......................................................................... 12

5 Use of the communication layers for this profile ............................................................. 13

5.1 Information related to the use of the standard specifying the lower layers ............. 13

5.2 The structure of the communication profiles .......................................................... 13

5.2.1 Overview ....................................................................................................... 13

5.2.2 The IEC 61334-4-32 profile ............................................................................ 14

5.2.3 The TCP-UDP/IPv4 profile ............................................................................. 14

5.2.4 The TCP-UDP/IPv6 profile ............................................................................. 14

5.3 Lower protocol layers and their use....................................................................... 14

5.3.1 General ......................................................................................................... 14

5.3.2 Physical layer ................................................................................................ 14

5.3.3 MAC layer...................................................................................................... 15

5.4 Service mapping and convergence layers ............................................................. 17

5.4.1 Overview ....................................................................................................... 17

5.4.2 The IEC 61334-4-32 LLC SSCS ..................................................................... 17

5.4.3 The IPv4 SSCS.............................................................................................. 19

5.4.4 The IPv6 SSCS.............................................................................................. 21

5.5 Registration and connection management ............................................................. 22

5.5.1 Overview ....................................................................................................... 22

5.5.2 IEC 61334-4-32 profile ................................................................................... 22

5.5.3 TCP-UDP/IPv4 profile .................................................................................... 27

5.5.4 TCP-UDP/IPv6 profile .................................................................................... 40

6 Identification and addressing schemes .......................................................................... 55

6.1 IEC 61334-4-32 profile addressing ........................................................................ 55

6.1.1 Overview ....................................................................................................... 55

6.1.2 MAC address ................................................................................................. 56

6.1.3 IEC 61334-4-32 SSCS addresses .................................................................. 56

6.1.4 LLC addresses .............................................................................................. 56

6.2 TCP-UDP/IPv4 profile addressing ......................................................................... 57

6.3 TCP-UDP/IPv6 profile addressing ......................................................................... 57

7 Specific consideration for the application layer services ................................................ 57

7.1 Overview............................................................................................................... 57

7.2 Application Association (AA) establishment and release: ACSE services .............. 57

7.2.1 AA establishment: IEC 61334-4-32 profile...................................................... 57

7.2.2 AA establishment: IP based profile ................................................................ 58

7.2.3 Application association release ...................................................................... 59

7.3 xDLMS services .................................................................................................... 59

7.4 Security mechanisms ............................................................................................ 59

7.4.1 DLMS/COSEM security .................................................................................. 59

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SIST EN IEC 62056-8-4:2019
IEC 62056-8-4:2018  IEC 2018 – 3 –

7.4.2 Lower layers security ..................................................................................... 59

7.5 Transferring long application messages ................................................................ 59

7.6 Media access, bandwidth and timing considerations ............................................. 60

7.7 Other considerations ............................................................................................. 60

8 Communication configuration and management ............................................................. 60

9 The COSEM application process ................................................................................... 60

10 Additional considerations for the use of this profile ........................................................ 60

Annex A (informative) Examples .......................................................................................... 61

A.1 Data exchange between two IP communication peers ........................................... 61

A.2 Joining a multicast group ...................................................................................... 63

A.3 PRIME encoding examples ................................................................................... 63

Annex B (normative) New COSEM interfaces classes and OBIS codes ................................ 76

Annex C (informative) IEC 61334-4-32 profile: Error cases during connection

establishment ................................................................................................................ 77

Annex D (normative) Convergence layer constants .............................................................. 78

Bibliography .......................................................................................................................... 79

Figure 1 – Communication architecture ................................................................................. 12

Figure 2 – OFDM PLC PRIME communication profile architectures ....................................... 14

Figure 3 – IEC 61334-4-32 SSCS services ............................................................................ 18

Figure 4 – MSC for Data services in the case of logical name referencing ............................ 19

Figure 5 – IEC 61334-4-32 SSCS ......................................................................................... 22

Figure 6 – MSC for IEC 61334-4-32 SSCS services .............................................................. 26

Figure 7 – IPv4 SSCS services ............................................................................................. 28

Figure A.1 – MSC of IPv4 SSCS services ............................................................................. 62

Figure A.2 – Joining MSC IPv4 profile ................................................................................... 63

Figure C.1 – Error cases during connection establishment .................................................... 77

Table 1 – Result values for SSCS services ........................................................................... 25

Table 2 – AR_REGISTER_S message format ....................................................................... 36

Table 3 – AR_REGISTER B message format ........................................................................ 36

Table 4 – AR_UNREGISTER_S message format .................................................................. 36

Table 5 – AR_MCAST_REG_S message format .................................................................... 36

Table 6 – AR_MCAST_REG_B message format .................................................................... 37

Table 7 – AR_MCAST_UNREG_S message format ............................................................... 37

Table 8 – AR_MCAST_UNREG_B message format ............................................................... 37

Table 9 – AR_LOOKUP_S message format ........................................................................... 38

Table 10 – AR_LOOKUP_B message format ......................................................................... 38

Table 11 – IPv4 packet format without header compression negotiated ................................. 38

Table 12 – IPv4 packet format with VJ header compression .................................................. 39

Table 13 – Connection data sent by the initiator ................................................................... 39

Table 14 – Connection data sent by the responder ............................................................... 40

Table 15 – IPv6 SSCS table entry ......................................................................................... 44

Table 16 – Mapping IPv6 precedence to PRIME MAC priority ............................................... 45

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SIST EN IEC 62056-8-4:2019
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Table 17 – AR_REGISTERv6_S message format .................................................................. 51

Table 18 – AR_REGISTERv6_B message format .................................................................. 51

Table 19 – AR_UNREGISTERv6_S message format ............................................................. 51

Table 20 – AR_UNREGISTERv6_B message format ............................................................. 52

Table 21 – AR_LOOKUPv6_S message format ..................................................................... 52

Table 22 – AR_LOOKUPv6_B message format ..................................................................... 52

Table 23 – AR_MCAST_REGv6_S message format .............................................................. 53

Table 24 – AR_MCAST_REGv6_B message format .............................................................. 53

Table 25 – AR_MCAST_UNREGv6_B message format ......................................................... 53

Table 26 – IPv6 Packet format without negotiated header compression ................................ 54

Table 27 – UDP/IPv6 Packet format with LOWPAN_IPHC header compression and

LOWPAN_NHC ..................................................................................................................... 54

Table 28 – IPv6 Packet format with LOWPAN_IPHC negotiated header compression ........... 54

Table 29 – IPv6 Connection signalling data sent by the initiator ............................................ 55

Table 30 – IPv6 Connection signalling data sent by the responder ........................................ 55

Table 31 – Client service access point values ....................................................................... 57

Table 32 – Server service access point values ...................................................................... 57

Table 33 – Application associations and data exchange in the IEC 61334-4-32 profile .......... 58

Table D.1 – TYPE value assignment ..................................................................................... 78

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SIST EN IEC 62056-8-4:2019
IEC 62056-8-4:2018  IEC 2018 – 5 –
INTERNATIONAL ELECTROTECHNICAL COMMISSION
____________
ELECTRICITY METERING DATA EXCHANGE –
THE DLMS/COSEM SUITE –
Part 8-4: Communication profiles for narrow-band
OFDM PLC PRIME neighbourhood networks
FOREWORD

1) The International Electrotechnical Commission (IEC) is a worldwide organization for standardization comprising

all national electrotechnical committees (IEC National Committees). The object of IEC is to promote

international co-operation on all questions concerning standardization in the electrical and electronic fields. To

this end and in addition to other activities, IEC publishes International Standards, Technical Specifications,

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in the subject dealt with may participate in this preparatory work. International, governmental and non-

governmental organizations liaising with the IEC also participate in this preparation. IEC collaborates closely

with the International Organization for Standardization (ISO) in accordance with conditions determined by

agreement between the two organizations.

2) The formal decisions or agreements of IEC on technical matters express, as nearly as possible, an international

consensus of opinion on the relevant subjects since each technical committee has representation from all

interested IEC National Committees.

3) IEC Publications have the form of recommendations for international use and are accepted by IEC National

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Publications is accurate, IEC cannot be held responsible for the way in which they are used or for any

misinterpretation by any end user.

4) In order to promote international uniformity, IEC National Committees undertake to apply IEC Publications

transparently to the maximum extent possible in their national and regional publications. Any divergence

between any IEC Publication and the corresponding national or regional publication shall be clearly indicated in

the latter.

5) IEC itself does not provide any attestation of conformity. Independent certification bodies provide conformity

assessment services and, in some areas, access to IEC marks of conformity. IEC is not responsible for any

services carried out by independent certification bodies.

6) All users should ensure that they have the latest edition of this publication.

7) No liability shall attach to IEC or its directors, employees, servants or agents including individual experts and

members of its technical committees and IEC National Committees for any personal injury, property damage or

other damage of any nature whatsoever, whether direct or indirect, or for costs (including legal fees) and

expenses arising out of the publication, use of, or reliance upon, this IEC Publication or any other IEC

Publications.

8) Attention is drawn to the Normative references cited in this publication. Use of the referenced publications is

indispensable for the correct application of this publication.

9) Attention is drawn to the possibility that some of the elements of this IEC Publication may be the subject of

patent rights. IEC shall not be held responsible for identifying any or all such patent rights.

The International Electrotechnical Commission (IEC) draws attention to the fact that it is claimed that compliance

with this International Standard may involve the use of a maintenance service concerning the stack of protocols on

which the present standard IEC 62056-8-4 is based.

The IEC takes no position concerning the evidence, validity and scope of this maintenance service.

The provider of the maintenance service has assured the IEC that he is willing to provide services under

reasonable and non-discriminatory terms and conditions for applicants throughout the world. In this respect, the

statement of the provider of the maintenance service is registered with the IEC. Information may be obtained from:

PRIME Alliance
2-12, Avenue de la Renaissance
1000, Brussels/ (BE)
www.prime-alliance.org.com

International Standard IEC 62056-8-4 has been prepared by IEC technical committee 13:

Electrical energy measurement and control.
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SIST EN IEC 62056-8-4:2019
– 6 – IEC 62056-8-4:2018  IEC 2018
The text of this standard is based on the following documents:
CDV Report on voting
13/1749/CDV 13/1763/RVC

Full information on the voting for the approval of this International Standard can be found in

the report on voting indicated in the above table.

This document has been drafted in accordance with the ISO/IEC Directives, Part 2.

A list of all parts in the IEC 62056 series, published under the general title Electricity metering

data exchange – The DLMS/COSEM suite, can be found on the IEC website.

The committee has decided that the contents of this document will remain unchanged until the

stability date indicated on the IEC website under "http://webstore.iec.ch" in the data related to

the specific document. At this date, the document will be
• reconfirmed,
• withdrawn,
• replaced by a revised edition, or
• amended.

IMPORTANT – The 'colour inside' logo on the cover page of this publication indicates

that it contains colours which are considered to be useful for the correct

understanding of its contents. Users should therefore print this document using a

colour printer.
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SIST EN IEC 62056-8-4:2019
IEC 62056-8-4:2018  IEC 2018 – 7 –
INTRODUCTION
As defined in IEC 62056-1-0, the IEC 62056 DLMS/COSEM suite provides specific

communication profile standards for communication media relevant for smart metering.

Such communication profile standards specify how the COSEM data model and the

DLMS/COSEM application layer can be used on the lower, communication media-specific

protocol layers.

Communication profile standards refer to communication standards that are part of the

IEC 62056 DLMS/COSEM suite or to any other open communication standard.
This International Standard specifies DLMS/COSEM communication profiles using

Recommendation ITU-T G.9904:2012 Narrow-band orthogonal frequency division multiplexing

power line communication transceivers for PRIME networks. It applies for devices installed on

the neighbourhood network.

It follows the rules defined in IEC 62056-5-3:2017, Annex A, and in IEC 62056-1-0 and the

IEC TS 62056-1-1 recommendations for its structure.

The communication profile specified in this document is based on the results of the European

OPEN Meter project, Topic Energy 2008.7.1.1, Project no.: 226369, www.openmeter.com, and

has been prepared by the PRIME Alliance Technical Working Group, www.prime-alliance.org.

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SIST EN IEC 62056-8-4:2019
– 8 – IEC 62056-8-4:2018  IEC 2018
ELECTRICITY METERING DATA EXCHANGE –
THE DLMS/COSEM SUITE –
Part 8-4: Communication profiles for narrow-band
OFDM PLC PRIME neighbourhood networks
1 Scope

This part of IEC 62056 specifies DLMS/COSEM communication profiles for narrow-band

OFDM power line carrier PRIME neighbourhood networks using the modulation as specified in

Recommendation ITU-T G.9904:2012.
Three communication profiles are specified:
• a profile using the IEC 61334-4-32 LLC layer;
• a profile using TCP-UDP/IPv4;
• a profile using TCP-UDP/IPv6.
2 Normative references

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 refere
...