摘要
以S7-200 PLC为例,阐述了PLC与计算机间的通信原理及利用VB实现PLC与计算机间的通信,并给出具体的程序编制方法。
The communication principle and how to realize the are commnunication are demonstrated,and the method to program between PLC and the computer is offered by S7-200 PLC.
出处
《电气传动自动化》
2006年第3期43-45,52,共4页
Electric Drive Automation