The composition, functions, PLC model selection and program design of PLC plus frequency speed- regulating system on electroslag furnace are briefly introduced.
简要介绍了电渣炉PLC加变频调速控制系统的组成、功能及PLC的选型和程序设计。
The system composition block diagram and program flow of charts are presented. After analyzing and processing the logical relationship of stochastic signal, the way of PLC program is put forward.
并给出了系统组成框图和程序流程图，在分析、处理随机信号逻辑关系的基础上，提出了PLC的编程方法。
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