| S7—200的网络通信 |
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| 引用本文： | 温艳艳.S7—200的网络通信[J].天津成人高等学校联合学报,2011(2):75-77. |
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| 作者姓名： | 温艳艳 |
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| 作者单位： | 天津现代职业技术学院,天津市300222 |
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| 摘 要： | S7—200系列PLC可方便地实现相互之间通信以及与其它智能设备进行通信。本文介绍了由S7—200 PLC组建的集中典型网络的通信协议和硬件连接设置。S7—200可支持多种通信协议,如点到点接口（PPI）、多点接口（MPI）和PROFIBUS—DP协议。这些协议的结构是基于7层开放系统互联参考模型（OSI）,通过一个令牌环网来实现。
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| 关 键 词： | S7—200PPI网络 通信协议 通信网络配置 PPI网络的组成形式 |
S7-200 Network Communication |
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| WEN Yan-yan.S7-200 Network Communication[J].Journal of Tianjin Adult Higher Learning,2011(2):75-77. |
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| Authors: | WEN Yan-yan |
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| Institution: | WEN Yan-yan(Tianjin Modern Vocational Technology College,Tianjin 300222 China) |
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| Abstract: | The PLC in S7-200 Series can easily realize mutual communication and communication with other intelligent equipments.This paper introduces the communication protocols and hardware connection and configuration of the centralized typical network built by S7-200 PLC.S7-200 can support many kinds of communication protocols,the structure of which is realized by a token ring network on the basis of the 7-layer OSI model. |
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| Keywords: | S7-200 PPI network communication protocol communication network configuration formation of PPI network composition |
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