GBT 18657.2-2002 远动设备及系统 第5部分传输规约 第2篇链路传输规约

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1、Ics33.200F21中华人民共和国国家标准Gs/T18657.2-2002idtIEC60870-5-2:1992远动设备及系统第5部分:传输规约第2篇:链路传输规则Telecontrolequipmentandsystems一Part5:Transmissionprotocols一Section2:Linktransmissionprocedures2002一02一22发布2002一08一01实施中华人民共和国发布国家质量监督检验检疫总局GB/T18657.2-2002前言········，·········。·····················。。······

2、·················································。。，············⋯⋯IIEC前言·····················...........................................................................................I引言·······································································································

3、········。·····⋯⋯11范围和对象········，··········卜·········，，，··········，，········，，············，··········，···。。。····，·，········。，，⋯⋯12引用标准·........................................................................................···············⋯⋯23标准传输帧的格式和结构······································

4、······。·······················。············.·.⋯⋯23.1格式FT1.I···········‘··，·············，.·，··，··‘········‘···，········，·，，···‘···，···，··‘·⋯⋯，‘·23.2格式FTI.2.........................................................................................................33.3格式FT2···‘·············，····

5、··············。···························。，····································⋯⋯43.4格式FC3............................................................................................................54服务原语和传输过程要素···········。·············································‘···················.

6、···.·.⋯⋯64.1发送/无回答服务··········，······。···········。··························，····。·····，，·⋯⋯。，，.··········⋯⋯74.2发送/确认服务·..............................................·····················........................·⋯⋯74.3请求/响应服务······················································。··········

7、···，·········。············...⋯⋯85非平衡传输··············........................·甲·...................········44··-········，.·········甲·⋯⋯85.1长度域、控制域和地址域的规范·................................................................................g5.2非平衡传输服务·········，······