IEC62056绿皮书，包括通信协议、通信规程等内容。This fifth edition of the "Green Book" includes the specification of the communication protocol layers based on:- IEC 62056-42, Electricity metering- Data exchange for meter reading, tariff and load control- Part 42:

this part of IEC 62056 standard, HDLC protocl standard-this is part of IEC 62056 standard, HDLC protocl standard

DLMS_IEC-62056-46协议(数据链路层英文文档)-IEC 62056-46 Electricity metering – Data exchange for meter reading,tariff and load control –Part 46: Data link layer using HDLC protocol

DLMS: IEC 62056-53 COSEM 应用层英文完整版-IEC 62056-53 Electricity metering – Data exchange for meter reading, tariff and load control –Part 53: COSEM application layer