摘要
本文主要介绍了在实际工业系统中常见的PLC网络结构及其通讯方式。针对工业系统中PLC网络的规模、等级 ,给出使用的方法。
In this paper, the structures and communication means of PLC Net in the automation industry system are summarized and their usage methods are narrated according to their size and grading.
出处
《苏州市职业大学学报》
2003年第3期49-50,共2页
Journal of Suzhou Vocational University
关键词
PLC
网络
通讯
令牌环
PLC
Network
communication
Token-Ring