单片机与可编程控制器的串行通信及应用

Serial communication and application of micro controller and PLC

介绍了单片机与可编程控制器之间的串行通信,以欧姆龙CQM1H系列可编程控制器与MCS-51系列单片机的串行通信为例,阐述了通信接口的实现方法,并重点介绍了一种实用的数据采集系统。

This paper discusses the serial communication of micro controller and PLC, stresses the method of communication interface which is based on the serial communication of PLC of CQM1H and micro controller of MC.S- 51. And a kind of applied system of data collection are introduced in detailed.