DIN EN 62056-6-1:2021-06
Electricity metering data exchange - The DLMS/COSEM suite - Part 6-1: Object Identification System (OBIS) (IEC 62056-6-1:2017); English version EN 62056-6-1:2017 / Note: DIN EN 62056-6-1 (2017-07) remains valid alongside this standard until 2020-09-13.