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出 处:《自动化仪表》1998年第8期34-36,共3页Process Automation Instrumentation
摘 要:介绍一个板坯二冷水控制系统,它由显示操作站和过程控制站组成,通过RS-232实现数据通信.另外,二冷水控制系统与电气控制部分用L2网络实现数据通信,从而完成了计算机控制机电仪一体化.该系统已无故障运行一年多,达到了预定的技术改造要求.A control system of secondary cooling water for steel slabs is introduced. Trie system is composed of the display operator station and the process control station which communicates to each other via RS-232 port. In addition, the data communication between the control system of secondary cooling water and electric control unit is through L2 network. Thus the computer controlled integration of machinery, electric and instrument is implemented. The system has been operated for more than one year with non-failure, the prodeter-minate requirements of the technical retrofit are accomplished.
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