摘要
根据PLC的发展,文章列举了S7系列PLC的几种通讯方式,分析研究多种通讯方式的特点,以及它们的适用范围。
According to the development of PLC,the article cited the S7 series PLC,several means of communication,analysis of the characteristics of a variety of means of communication,as well as their scope of application.
出处
《机电工程技术》
2010年第6期45-48,共4页
Mechanical & Electrical Engineering Technology
关键词
PLC
通讯方式
协议
串行通讯
PLC
communications
Protocol
serial communication
