试析单片机与PLC之间的串行通信实现  

The Realization of Serial Communication Between SCM and PLC

作　　者：徐荣峰[1] 田建春[1] 

机构地区：[1]69010部队

出　　处：《电脑与电信》2016年第9期38-40,共3页Computer & Telecommunication

摘　　要：本文首先对单片机和PLC的基本含义进行简要阐述;其次从接口电路设计、RS—232C串行通信接口的设置、通信协议设计三个方面入手,对单片机与PLC串行口通信接口电路及设置进行探究;然后从发送命令帧格式、响应帧格式两方面,提出单片机与PLC串行口的通信过程,提出单片机与PLC的应用措施。This paper describes the SCM and PLC briefly; and then explores on the serial communication interface circuit be- tween SCM and PLC from three aspects which are the interface circuit design, setup of the RS - 232 c serial communication inter- face and communication protocol design. From the sending command frame format and the responsing frame format, it proposes the serial communication process between SCM and PLC, and proposes their application.

关 键 词：单片机 PLC 串行通信 

分 类 号：TP273[自动化与计算机技术—检测技术与自动化装置]