摘要
本文论述了利用PLC的串口通信技术,实现上位机对电梯模型的远程实时监控。文中还对OMRON公司的CPMIA型PLC的通信协议进行了分析,并介绍了基于VC++的上位机通讯程序设计思想。
This paper presents the realization of a successful remote supervisory control on an elevator model,by means of RS-232 between PLC and computer. The communication agreement of the style CPMIA of OMRON is analysed, and a method of VC++ program design is also introduced.
出处
《微计算机信息》
2001年第11期12-13,15,共3页
Control & Automation