This part of IEC 62056 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.
EN 62056-6-2:2013 history
2016EN 62056-6-2:2016 Electricity metering data exchange - The DLMS/COSEM suite - Part 6-2: COSEM interface classes
2013EN 62056-6-2:2013 Electricity metering data exchange - The DLMS/COSEM suite - Part 6-2: COSEM interface classes