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介绍Ｓ５ＰＬＣ 在高炉卷扬控制系统中的硬件结构、软件功能和设计特点。卷扬控制系统有数字量输入７８ 点，数字量输出７４ 点，模拟量输入７ 点，模拟量输出４ 点，具备网络通讯功能和称重补偿功能。卷扬控制系统满足了生产工艺需要，运行极为可靠。
This paper introduces the hardware structure, software functions and design features of S5PLC in the blast furnace winch control system. Winch control system has 78 digital inputs, 74 digital outputs, 7 analog inputs, 4 analog outputs, with network communication and weighing compensation. Winch control system to meet the needs of the production process, the operation is extremely reliable.