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介绍了一种由PLC可编程控制器及变频器构成的氩氧精炼铁合金控制系统,给出了控制系统的控制结构框图,对系统的控制硬件进行了说明,给出了控制系统的软件流程图,用计算机网络把现场控制器、操作管理计算机、智能仪表等构成有机的整体,便于实现有效的过程操作与监视。
A kind of control system of Argon-oxygen refining iron alloy which is composed of PLC programmable controller and frequency converter is introduced. The block diagram of the control system is given, the control hardware of the system is described, and the software flow chart of the control system is given , The computer network to the scene controller, operation management computer, intelligent instrumentation constitute the organic whole, to facilitate effective process operation and monitoring.