IEC 62056-6-2:2016

IEC 62056-6-2 ®
Edition 2.0 2016-02
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

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IEC 62056-6-2 ®
Edition 2.0 2016-02
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 978-2-8322-3041-1

– 2 – IEC 62056-6-2:2016 © IEC 2016
CONTENTS
FOREWORD . 9
INTRODUCTION . 12
1 Scope . 14
2 Normative references. 14
3 Terms, definitions and abbreviations . 16
3.1 Terms and definitions related to the Image transfer process (see 5.3.6) . 16
3.2 Terms and definitions related to the S-FSK PLC setup classes (see 5.8) . 17
3.3 Terms and definitions related to the PRIME NB OFDM PLC setup ICs
(see 5.10) . 18
3.4 Terms and definitions related to ZigBee® (see 5.12) . 20
3.5 Abbreviations . 22
4 Basic principles . 26
4.1 General . 26
4.2 Referencing methods . 27
4.3 Reserved base_names for special COSEM objects . 27
4.4 Class description notation . 27
4.5 Common data types . 30
4.6 Data formats . 31
4.6.1 Date and time formats . 31
4.6.2 Floating point number formats . 33
4.7 The COSEM server model . 35
4.8 The COSEM logical device . 36
4.8.1 General . 36
4.8.2 COSEM logical device name (LDN) . 36
4.8.3 The “association view” of the logical device . 36
4.8.4 Mandatory contents of a COSEM logical device . 37
4.8.5 Management logical device . 37
4.9 Information security . 37
5 The COSEM interface classes . 38
5.1 Overview. 38
5.2 Interface classes for parameters and measurement data . 42
5.2.1 Data (class_id = 1, version = 0) . 42
5.2.2 Register (class_id = 3, version = 0) . 42
5.2.3 Extended register (class_id = 4, version = 0) . 46
5.2.4 Demand register (class_id = 5, version = 0) . 47
5.2.5 Register activation (class_id = 6, version = 0) . 50
5.2.6 Profile generic (class_id = 7, version = 1) . 52
5.2.7 Utility tables (class_id = 26, version = 0). 57
5.2.8 Register table (class_id = 61, version = 0) . 58
5.2.9 Status mapping (class_id = 63, version = 0) . 60
5.3 Interface classes for access control and management . 61
5.3.1 Overview . 61
5.3.2 Client user identification . 61
5.3.3 Association SN (class_id = 12, version = 3) . 62
5.3.4 Association LN (class_id = 15, version = 2) . 66
5.3.5 SAP assignment (class_id = 17, version = 0) . 72

5.3.6 Image transfer . 72
5.3.7 Security setup (class_id = 64, version = 0) . 79
5.3.8 Push interface classes and objects . 81
5.4 Interface classes for time- and event bound control . 87
5.4.1 Clock (class_id = 8, version = 0) . 87
5.4.2 Script table (class_id = 9, version = 0) . 90
5.4.3 Schedule (class_id = 10, version = 0) . 91
5.4.4 Special days table (class_id = 11, version = 0) . 94
5.4.5 Activity calendar (class_id = 20, version = 0) . 95
5.4.6 Register monitor (class_id = 21, version = 0) . 98
5.4.7 Single action schedule (class_id = 22, version = 0) . 100
5.4.8 Disconnect control (class_id = 70, version = 0) . 101
5.4.9 Limiter (class_id = 71, version = 0) . 103
5.4.10 Parameter monitor (class_id = 65, version = 0) . 106
5.4.11 Sensor manager interface class. 107
5.5 Interface classes for setting up data exchange via local ports and modems . 111
5.5.1 IEC local port setup (class_id = 19, version = 1) . 111
5.5.2 IEC HDLC setup (class_id = 23, version = 1) . 112
5.5.3 IEC twisted pair (1) setup (class_id = 24, version = 1) . 114
5.5.4 Modem configuration (class_id = 27, version = 1) . 117
5.5.5 Auto answer (class_id = 28, version = 2) . 118
5.5.6 Auto connect (class_id = 29, version = 2) . 121
5.5.7 GPRS modem setup (class_id = 45, version = 0) . 123
5.5.8 GSM diagnostic (class_id = 47, version = 0) . 124
5.6 Interface classes for setting up data exchange via M-Bus . 126
5.6.1 M-Bus slave port setup (class_id = 25, version = 0) . 126
5.6.2 M-Bus client (class_id = 72, version = 1) .
...