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本文介绍了采用可编程序控制器（ＰＬＣ）为核心的煤仑配煤皮带自动控制系统，详细叙述了该系统手动、集中和自动三种工作方式以及模拟显示、故障指示与报警等主要功能的实现。并在信号隔离、防尘和抗干扰方面作了较深入地研究，研制出了一台能对１２个煤仑实现全自动配煤的自动控制装置。经工业运行，达到了令人满意的效果。该系统的应用对煤炭生产自动化水平的提高起了积极的作用。
This paper introduces the automatic control system of coal blending coal belt with programmable logic controller (PLC) as the core, and describes in detail three modes of manual, centralized and automatic working of the system as well as the main functions of analog display, fault indication and alarm achieve. And in the signal isolation, dustproof and anti-jamming made a more in-depth study, developed a 12 coal can realize automatic coal blending automatic control device. After industrial operation, has achieved satisfactory results. The application of this system has played an active role in raising the level of automation in coal production.