Article #785 - IEC TC 13 WG 14: Data exchange for meter reading, tariff and load control

COSEM: COmpanion Specification for Energy Metering; DLMS: Distribution Line Message Specification; HDLC: High-level Data Link Control; OBIS: OBject Identification System. A tool (an open standard) intended to allow energy traders, utilities, meter operators, data management companies to obtain metering data to support trading in deregulated energy markets. (62056 series).