International Standards and Conformity Assessment for all electrical, electronic and related technologies



Reference EN 62056-6-2:2013
Title Electricity metering data exchange - The DLMS/COSEM suite - Part 6-2: COSEM interface classes
Project Number 23223
Abstract/Scope IEC 62056-6-2:2013 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.


Current Stage code 6060
Current Stage code date 2013-08-23
Current Stage code deadline 2014-04-04
Deadline date for vote  


Mandate(s) M/441; M/490
Order Voucher  


IEC Technical Body IEC/TC 13
Reference Document IEC 62056-6-2:2013 (EQV)
ICS 17.220 - Electricity. Magnetism. Electrical and magnetic measurements
35.110 - Networking
91.140.50 - Electricity supply systems
Keywords Electricity; metering; Data exchange; DLMS/COSEM suite; COSEM interface
Note Supersedes EN 62056-62:2007 * 2013-06-10: Publication allocated to
Special National Condition(s)  


Categories - Aspects
Product Life Cycle


Deadline Date
6060 2013-08-23 2014-04-04 export to doc file  EN  FR  DE
5099 2013-07-04 2013-08-01  
5060 2013-04-22 2013-05-13 export to doc file  EN
5020 2013-02-15 2013-04-19  
3090 2011-10-14 2012-12-31  
5060 2011-04-26 2011-05-17 export to doc file  EN
5020 2010-11-19 2011-04-22  
1090 2010-11-17 2010-11-19  

Implementation Dates

date of Ratification (DOR) (1) 2013-07-04
date of Availability (DAV) (2) 2013-08-23
date of Announcement (DOA) (3) 2013-10-04
date of Publication (DOP) (4) 2014-04-04
date of Withdrawal (DOW) (5) 2016-07-04


Supersedes EN 62056-62:2007
Superseded by  
Normative reference (6) STD 0051:1994
ANSI C12.19:1997/IEEE 1377:1997
IETF RFC 1661:1994
IETF RFC 1662:1994
IETF RFC 1700:1994
STD 0005:1981
ISO/IEC 8802-2:1998
EN 13757-2:2004
EN 13757-3:2004
EN 13757-5:2008
EN 61334-4-32:1996
EN 61334-4-41:1996
EN 61334-4-511:2000
EN 61334-4-512:2002
EN 61334-5-1:2001
IEC/TR 62051:1999
IEC/TR 62051-1:2004
EN 62056-3-1:2014
EN 62056-5-3:2014
EN 62056-6-1:2013
EN 62056-21:2002
EN 62056-46:2002
IETF RFC 2507:1999
IETF RFC 1570:1994
IETF RFC 1332:1992
IETF RFC 3241:2002
ISO/IEC/IEEE 60559:2011

(1) Date of ratification (dor) date when the Technical Board notes the approval of an EN (and HD for CENELEC), from which time the standard may be said to be approved

(2) Date of availability (dav) date when the definitive text in the official language versions of an approved CEN/CENELEC publication is distributed by the Central Secretariat

(3) Date of announcement (doa) latest date by which the existence of an EN (and HD for CENELEC), a TS or a CWA has to be announced at national level

(4) Date of publication (dop) latest date by which an EN has to be implemented at national level by publication of an identical national standard or by endorsement

(5) Date of withdrawal (dow) latest date by which national standards conflicting with an EN (and HD for CENELEC) have to be withdrawn

(6) This list of normative references is purely indicative. The only official list of normative reference is the list of the published standard.