两个S71200之间以太网通讯.pdf

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1、如何实现两个S7-1200CPU之间的以太网通信HowtorealizetheEthernetcommunicationbetween2S7-1200CPUsGetting-StartedEdition(2009年1月)摘要本文介绍了S7-1200CPU通过以太网通信的方法及详细步骤关键词S7-1200,以太网,TCP,ISOonTCPKeyWordsS7-1200,Ethernet,TCP,ISOonTCPIA&DTService&SupportPage2-27目录1概述.................................

2、...............................................................................................41.1S7-1200的PROFINET通信口................................................................................41.2S7-1200支持的协议和最大的连接资源..................................................

3、.................41.3物理网络连接...........................................................................................................52S7-1200CPU通过ETHERNET与S7-1200CPU通信....................................................62.1硬件和软件需求及所完成的通信任务...............................

4、........................................62.2创建新项目及建立逻辑连接.....................................................................................72.3TCP通信.................................................................................................................92.3.1在PL

5、C_1中调用并配置“TSEND_C”、“T_RCV”通信指令...............................92.3.2在PLC_2中调用并配置“TRCV_C”通信指令..................................................152.3.3下载硬件组态及程序并监控通信结果..............................................................202.4ISOonTCP通信...............................

6、.....................................................................202.4.1ISOonTCP协议通信连接参数的配置............................................................202.4.2ISOonTCP动态长度数据传输......................................................................222.5T-block通信块的状态及错误代码.

7、..........................................................................242.5.1T-block通信块的状态代码...............................................................................242.5.2T-block通信块的错误代码...........................................................................

8、....24IA&DTService&SupportPage3-271概述1.1S7-1200的PROFINET通信口S7-1200CPU本体上集成了一个PROFINET通信口，支持以太网和基