摘要
本文介绍了利用PLC的普通数字量I/O接口进行低成本简易通讯,采用顺序功能BFC编程。这一技术已经成功地可靠地应用于某一工程项目中,受到了用户的信赖。
This paper introduces a simple low cost communication technicality by the application of the PLC numerlical I/O ports. and a programming with Sequential Function Chart (SFC).This technic had successfully been applied to a engineering which led up the consumer's confidence.
出处
《微计算机信息》
1999年第1期11-13,共3页
Control & Automation
关键词
程序控制器
PLC
通讯
I/O接口
low cost PLC communication,sequeatical function chart SFC