摘要
本文以若干套地理上分散的PLC控制系统的集中控制为背景,提出了在Internet/lntranet环境下实现监控的一种“代理”模型,讨论了其实现要点和可能的改进方案。
In this paper, the 'agent' model under the Internet / Intranet environment is presented based on the centralized control of distributed PLC systems, some essential points of its implementation and some possible improvements are discussed.
出处
《工业控制计算机》
1999年第2期48-50,55,共4页
Industrial Control Computer
关键词
代理模型
PLC
集中控制
程序控制器
agent model, client/server model, Winsock programming, PLC control system