Electricity metering data exchange - The DLMS/COSEM suite - Part 7-5: Local data transmission profiles for Local Networks (LN)

IEC 62056-7-5:2016 specifies DLMS/COSEM communication profiles for transmitting metering data modelled by COSEM interface objects through a Local Data Transmission Interface (LDTI). The LDTI may be part of a meter or of a Local Network Access Point (LNAP) hosting a DLMS/COSEM server.

Echange des données de comptage de l'électricité - La suite DLMS/COSEM - Partie 7-5: Profils de transmission de données locales pour réseaux locaux (LN)

L'IEC 62056-7-5:2016 spécifie les profils de communication DLMS/COSEM pour la transmission des données de comptage modélisées par les objets d'interface COSEM par l'intermédiaire d'une interface de transmission de données locales (LDTI). La LDTI peut faire partie d'un compteur ou d'un point d'accès au réseau local (LNAP) hébergeant un serveur DLMS/COSEM.

General Information

Status
Published
Publication Date
11-May-2016
Current Stage
PPUB - Publication issued
Start Date
31-May-2016
Completion Date
12-May-2016
Ref Project

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IEC 62056-7-5 ®
Edition 1.0 2016-05
INTERNATIONAL
STANDARD
NORME
INTERNATIONALE
colour
inside
Electricity metering data exchange – The DLMS/COSEM suite –
Part 7-5: Local data transmission profiles for Local Networks (LN)

Échange des données de comptage de l'électricité – La suite DLMS/COSEM –
Partie 7-5: Profils de transmission de données locales pour réseaux locaux (LN)

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IEC 62056-7-5 ®
Edition 1.0 2016-05
INTERNATIONAL
STANDARD
NORME
INTERNATIONALE
colour
inside
Electricity metering data exchange – The DLMS/COSEM suite –

Part 7-5: Local data transmission profiles for Local Networks (LN)

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

Partie 7-5: Profils de transmission de données locales pour réseaux locaux (LN)

INTERNATIONAL
ELECTROTECHNICAL
COMMISSION
COMMISSION
ELECTROTECHNIQUE
INTERNATIONALE
ICS 17.220.20; 35.100.01; 91.140.50 ISBN 978-2-8322-3326-9

– 2 – IEC 62056-7-5:2016  IEC 2016
CONTENTS
FOREWORD. 5
INTRODUCTION . 7
1 Scope . 8
2 Normative references . 10
3 Terms, definitions and abbreviations . 11
3.1 Terms and definitions . 11
3.2 Abbreviations . 11
4 Targeted communication environments . 11
5 Use of the communication layers for these profiles . 12
5.1 Information related to the use of the standards specifying the lower layers . 12
5.2 Structure of the profile . 12
5.3 Use of the lower layers . 13
5.3.1 Overview . 13
5.3.2 Physical layer . 14
5.3.3 MAC layer . 14
5.3.4 Data link layer . 14
5.4 Service mapping and adaptation layers . 14
5.4.1 For the default HDLC based data link layer . 14
5.4.2 For other lower layers . 15
5.5 Registration and connection management . 15
6 Identification and addressing scheme . 15
6.1 General identification and addressing scheme . 15
6.2 Addressing for the default HDLC based data link layer . 15
6.3 Addressing for other data link layers . 15
7 Specific considerations for the application layer services . 15
7.1 Overview . 15
7.2 Application Association establishment and release: ACSE services . 15
7.3 xDLMS services . 15
7.4 Security mechanisms . 16
7.5 Transferring long application messages . 16
7.6 Media access, bandwidth and timing considerations . 16
8 Communication layer configuration and management . 17
9 The COSEM application process (AP) . 17
9.1 Model and services . 17
9.2 COSEM interface classes (IEC 62056-6-2) to configure the LDTI . 18
9.3 Security environment (not valid for legacy mode) . 19
9.4 Restrictions for interfaces supporting “Legacy operating modes” . 20
10 Additional considerations for the use of this profile – Safety . 21
Annex A (normative) Media specific profile: Optical interface . 22
A.1 IEC 62056-21 port . 22
A.2 IEC 62056-21 port operating in legacy mode . 23
Annex B (normative) Media specific Profile: TP with carrier signalling Interface . 25
B.1 IEC 62056-3-1 port . 25
B.2 IEC 62056-3-1 port operating in legacy mode . 26
Annex C (normative) Media specific profile: EIA-485, TIA-232-F interface . 29

C.1 Electrical port RS485/232 . 29
Annex D (normative) Media specific profile: M-Bus EN 13757-2 . 31
D.1 M-Bus with the HDLC based data link layer . 31
Annex E (normative) IP profile . 33
E.1 IP profile . 33
Annex F (informative) LDTI configuration examples . 35
F.1 Example 1: only one value (active energy A+) pushed . 35
Annex G (informative) LDTI encoding examples . 37
G.1 xDLMS APDUs used (without protection and without general-block-transfer) . 37
G.2 Example 1: Only one value is pushed . 37
G.3 Example 2: The OBIS code and one value is pushed. 38
Index . 40

Figure 1 – LDTI DLMS/COSEM client as part of a consumer device . 9
Figure 2 – LDTI DLMS/COSEM client as part of a local adaptor . 9
Figure 3 – Entities and interfaces of a smart metering system . 12
Figure 4 – IEC 62056-7-5 LDTI interface in the context of the smart metering
architecture . 12
Figure 5 –Local data transmission reference model . 13
Figure 6 – LDTI – the interface to a pre-established DLMS/COSEM LDTI client . 18
Figure 7 – Interface classes modelling the push operation . 19
Figure 8 – Example of a security environment for an LDTI using global keys . 20
Figure 9 – LDTI – operating in “legacy mode” . 21
Figure A.1 – Structure of the optical interface profile . 22
Figure A.2 – Structure of the optical interface – “operating in legacy mode” – profile . 24
Figure B.1 – Struct
...

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