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S7—200系列PLC与监控计算机通信实现的研究
Research of communication between S7-200 series PLC and supervision computer
【摘要】 针对控制系统中上位机与S7-200系列PLC通信的实际问题,总结了几种监控计算机与S7-200系列PLC的通信方法,这几种方法在不同的控制系统中能较好解决监控计算机与S7-200系列PLC通信问题。
【Abstract】 According to the communication problem between upper-computer and S7-200 series PLC, this paper summarizes several means to communicate supervision computer to S7 - 200 PLC. These means can resolve the communication problems in different control systems.
【关键词】 PLC;
通信;
WINCC组态软件;
OPC;
Profibus现场总线;
PPI;
【Key words】 PLC; Communication; WinCC configuration software; OLE Process Control; Profibus Field Bus; Point -to - Point Interface;
【Key words】 PLC; Communication; WinCC configuration software; OLE Process Control; Profibus Field Bus; Point -to - Point Interface;
- 【文献出处】 微计算机信息 ,Control & Automation , 编辑部邮箱 ,2004年01期
- 【分类号】TP277
- 【被引频次】80
- 【下载频次】886