DLT645-2007 多功能电能表通信协议.pdf

DL / T 645 — 2007 ICS 17.020 N 22 备案号：22289-2008 中华人民共和国电力行业标准 DL / T 645 — 2007 代替DL / T 645 — 1997 多功能电能表通信协议 Multi-function watt-hour meter communication protocol 2007-12-03 发布 2008-06-01 实施 中华人民共和国国家发展和改革委员会 发 布 I DL / T 645 — 2007 目 次 前言··································Ⅱ 1 范围 ································ 1 2 规范性引用文件 ··························· 1 3 术语和定义 ····························· 1 4 物理层 ······························· 3 5 数据链路层 ····························· 7 6 数据标识 ······························ 9 7 应用层 ·······························10 附录A（规范性附录） 数据编码 ·····················17 附录B（规范性附录） 负荷记录格式、结构定义 ··············79 附录C（规范性附录） 状态字、特征字、模式字、错误信息字 ········81 附录D（资料性附录） 有功和无功功率的几何表示 ·············84 附录E（资料性附录） 铜损、铁损算法定义 ················85