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Overview / excerpts of the DLMS UA coloured books DLMS UA coloured books (password protected area) DLMS/COSEM specification DLMS/COSEM specification maintenance List of proposed amendments Approved Amendments List and maintenance of standard items List of standard OBIS codes and COSEM objects OBIS code maintenance process Requests for adding a new standard OBIS code List and maintenance of standard interface classes COSEM XML representation

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DLMS/COSEM specification

Elements of the specification are:

The DLMS UA coloured books
The specification is fully described in the DLMS UA coloured books
International standards for electricity metering
For electricity metering, IEC TC13 WG14 has established the IEC 62056 series of standards.
International standards for heat/cooling, gas and water metering
CEN TC 294
Specification maintenance process. List of proposed and approved amendments.
Questions and answers concerning the specification