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本文介绍输煤翻车机系统可编程序控制器（PLC）控制的设计与实现，在提高系统安全性、可靠性和工作效率，改善系统工作和维护条件等方面PLC控制都明显优于继电逻辑控制。
This paper introduces the design and implementation of programmable logic controller (PLC) control of coal hopper system. PLC control is superior to relay logic in terms of improving system safety, reliability and work efficiency, and improving system operation and maintenance conditions control.