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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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List and maintenance of standard items

List and maintenance of standard items in the DLMS/COSEM specification

The DLMS User Association is recognized by the International Electrotechnical Commission (IEC) as the registration authority for the IEC 62056-42, -46, -47, -53, -61 and –62 standards and provides general maintenance services for these standards.The registration and maintenance services are available for all and any users of the DLMS/COSEM specification.

  Standard Item
1 Direct local data exchange / IEC 62056-21 Manufacturer's identification
2 Direct local data exchange / IEC 62056-21 Enhanced identification character
3 Physical layer / Green book / IEC 62056-42 Identifiers for protocol identification service
4 Data link layer / Green book / IEC 62056-46 LLC parameters
5 Application layer / Green book / IEC 62056-53 COSEM Application context name
6 Application layer / Green book / IEC 62056-53 COSEM Authentication mechanism name
7 Blue Book OBIS codes / IEC 62056-61 Standard OBIS codes
8 Blue Book Interface classes / IEC 62056-62 COSEM Logical device name
9 Blue Book Interface classes / IEC 62056-62 Standard interface classes and versions