This part of IEC 62056 specifies the overall structure of the OBject Identification System (OBIS) and the mapping of all commonly used data items in metering equipment to their identification codes.
IEC 62056-6-1:2013 Referenced Document
IEC 62053-23:2003 Electricity metering equipment (a.c.) - Particular requirements - Part 23: Static meters for reactive energy (classes 2 and 3)
IEC 62056-21:2002 Electricity metering - Data exchange for meter reading, tariff and load control - Part 21: Direct local data exchange
2017IEC 62056-6-1:2017 Electricity metering data exchange - The DLMS/COSEM suite - Part 6-1: Object Identification System (OBIS)
2015IEC 62056-6-1:2015 Electricity metering data exchange - The DLMS/COSEM suite - Part 6-1: Object Identification System (OBIS)
2013IEC 62056-6-1:2013 Electricity metering data exchange.The DLMS/COSEM suite.Part 6-1: Object identification system (OBIS)
IEC 62056-6-1:2013 Electricity metering data exchange.The DLMS/COSEM suite.Part 6-1: Object identification system (OBIS) has been changed from IEC 62056-61:2006 Electricity metering - Data exchange for meter reading, tariff and load control - Part 61: Object identification system (OBIS).