IEC 62056 的很有价值的参考文档，包括： DLMS UA 1000-1 ed.8, Blue book, COSEM Identification System and Interface Classes DLMS UA 1000-2 ed.6, Green book, DLMS/COSEM Architecture and Protocols DLMS UA 1001-1 ed.3,Yellow book, DLMS/COSEM Conformance Testing Pro

DLMS UA 联盟发布的蓝皮书,主要介绍了DLMS的术语-DLMS UA coloured book(Blue Book) Glossary of Terms.rar

DLMS 蓝皮书12-1版本，应该是目前最新的版本了(DLMS blue book 12-1 version, latest version)