GB/T 15969.5-2002可编程序控制器　第5部分：通信.pdf

ICS35.240.50 N 18 萄黔 中 华 人 民 共 和 国 国 家 标 准 GB/T 15969.5一2002 idtIEC61131一5:2000 可编程序控制器 第 5部分:通信 Programmablecontrollers Part5:Communications 2002门1一25发布 2003一05一01实施 中 华 人 民 共 和 国 国家 质 量 监 督 检 验 检 疫 总 局 发 布 GB/T15969.5-2002 目 次 前言 ················································································································…… N IEC前言 ·········································································································…… v. 1 范围 ···············································································。····························…… 1 2 引用标准 ····························”·······。·····························································..····…… 1 3 定义 ··································································································。·····..····…… 2 4 符号和缩略语 ··········。······································。·····································…… ·‘···…… 3 5 模型 ····················································……，’’··················································…… 4 5.1 PLC网络通信模型 ·····································································..·..··..··.·...…… 4 5.2 PLC功能模型 ·····································，··························································…… 4 5.3 PLC硬件模型 ·····································，··························································…… 5 5.4 软件模型 ··········.，··········.，·································，’·································…… 5 6PI￡通信服务 ·······················…·…:..:··················································