DCS monitoring system is developed based on Windows CE.net 6.0 embedded real-time operating system. PC is used as the upper monitor machine, double let water tank system is used as the plant, and the system hardware is formed by YANHUA MIC-2000 series industrial PC together with boards. The closed-loop system operation is achieved through the combined use of designing human-machine interface by industrial configuration software "KingView" based on OPC specification, realizing information interaction between PC and the field control station through the Intemet,and PID control algorithm.%以PC机作为上位监控机,双容水箱系统作为被控对象,采用研华MIC-2000系列工控机及其板卡为系统硬件,基于WindowsCE.net 6.0嵌入式实时操作系统开发DCS监控系统.系统在OPC技术规范之上利用工业组态软件"组态王"设计人机界面,通过Internet实现上位机与现场控制站的信息交互,同时加入PID控制算法实现了系统闭环运行.
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