单片机与FX系列PLC通信协议应用研究

The Application Research of the Single Chip Microcomputer and PLC Communication Protocol

分析了M6 8HC11单片机和FX系列PLC串行通信接口的工作特性 ,介绍了FX系列PLC的通信协议及其与单片机通讯的设计方法 ,该技术已经成功应用于实际工程项目中 ,实际应用表明该设计结构简单 ,成本低 ,可靠性高 ,具有很好的推广价值。

The features and constructions of the communication protocol are introduced by analyzing the M68HC11 single chip microcomputer and FX series PLC . The design plan of the communication is presented . This technique has been applied in the projects. The application results show that this method is simple, low cost, high reliable, and of value to spread.