ICS29.240.01 CCSF20 中华人民共和国电力行业标准 DL/TXXXXX—202X 变电站二次系统通信报文规范 Communicationmessagespecificationsforsubstationsecondarysystem （报批稿） 20XX-XX-XX发布 20XX-XX-XX实施 国家能源局发布DL/TXXXXX—202X I目次 前言.................................................................................III 1范围................................................................................1 2规范性引用文件......................................................................1 3术语和定义..........................................................................2 4缩略语..............................................................................2 5功能与协议集........................................................................3 6数据帧格式..........................................................................3 6.1应用协议数据单元.................................................................3 6.2应用服务数据单元.................................................................6 6.3空数据帧.........................................................................6 6.4数据帧协商.......................................................................6 6.5分帧传输方式.....................................................................6 6.6服务端口.........................................................................7 6.7TCP连接控制....................................................................7 6.8差错处理.........................................................................7 6.9超时和通信状态检测...............................................................7 6.10数据编码........................................................................8 6.11基于ISO/IEC8802-3的数据帧......................................................8 7数据对象映射........................................................................8 7.1基本数据类型.....................................................................9 7.2扩展的数据类型..................................................................11 7.3公共ACSI类型..................................................................12 7.4功能约束（FC）.................................................................16 7.5控制对象........................................................................17 7.6控制块..........................................................................19 7.7数据对象........................................................................22 8通信服务映射.......................................................................25 8.1交互模式........................................................................25 8.2关联类服务......................................................................25 8.3服务器、逻辑设备、逻辑节点类服务................................................28DL/TXXXX—202X II8.4数据类服务......................................................................36 8.5数据集类服务....................................................................40 8.6定值类服务......................................................................44 8.7报告类服务......................................................................48 8.8日志类服务......................................................................55 8.9通用变电站事件类服务............................................................61 8.10多播采样值类服务...............................................................65 8.11控制类服务.....................................................................68 8.12文件类服务.....................................................................77 8.13远程过程调用类服务.............................................................80 8.14测试服务（Test）...............................................................86 8.15关联协商服务（AssociateNegotiate）...............................................86 9一致性测试.........................................................................87 附录A（资料性）通信代理模式应用....................................................88 A.1通信代理模式...................................................................88 A.2通信网关模型...................................................................88 A.3通信网关实现...................................................................89 附录B（资料性）通信传输安全..................