文章介绍了SIEMENSS5-135可编程控制器在南钢高线飞剪控制系统中的应用，对系统组成、功能及软件的构成作了简要的阐述。
This paper introduces the application of programming controller SIEMENS S5-135U in shear control system of NGGX and describes the composition and function of the system and its software architecture.
文章阐述了可编程控制器PLC在电梯控制中的应用。
The operating principle of the elevator controlling system based on a PLC is introduced in the paper.
文章阐述了可编程控制器PLC在电梯控制中的应用。
The operating principle of the elevator controlling system based on a PLC is introduced in the paper.
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