摘要
该文主要介绍了对FX1N系列PLC的通讯协议作了详细的说明介绍;利用PLC的编程口,在Visual C++6.0下用MSComm控件实现了PLC与PC之间的串行通讯,并详细叙述了该技术在排气机实时监控系统当中的应用。
This paper introduces the communication protocol of FX1N series PLC and the implementation of the serial communication between the computer and PLC through programming port by using MSComm ActiveX in Visual C＋＋6.0 environment. An application example in the real-time monitoring system of an exhausting m/c is also given.
出处
《自动化技术与应用》
2007年第10期132-134,共3页
Techniques of Automation and Applications
