IEC 62056-31 Ed. 1.0 b:1999

IEC 62056-31 Ed. 1.0 b:1999 [ Withdrawn ] Electricity metering - Data exchange for meter reading, tariff and load control - Part 31: Use of local area networks on twisted pair with carrier signalling

standard by International Electrotechnical Commission, 11/30/1999

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Describes two new architectures for local bus data exchange with stations either energized or not. For non-energized stations, the bus supplies energy for data exchange. The first architecture completes the base protocol (IEC 61142) with remote transfer services. The second architecture allows operation of DLMS services using the same physical medium and the same physical layer. This complete compatibility guarantees the possibility of using IEC 61142 and IEC 62056-31 equipment on the same bus. This standard replaces IEC 61142 (1993).