基于SIMATIC S7-200的自由口通讯

Freeport Communication Based on SIMATIC S7-200

针对SIEMENSSIMATICS7系列工控产品提供的工业通讯解决方案 ,介绍了SIMATICS7- 2 0 0PLC的自由口通讯技术 ,分析了自由口通讯的参数设定、协议规划和通讯程序设计 .

For SIEMENS SIMATIC S7 industry control protuct series supplying resolving way for industry communcation, freeport communication based on SIMATIC S7-200 is introduced in this paper, parameter settings, protocol designing and communcation programming about freeport communication are analyzed.