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本文介绍一种采用PLC软、硬件技术的两闭锁控制装置,实现煤矿、冶金等行业生产过程中的电气安全保障措施。本文所采用的方法对传统的接触器-继电器系统的改造有一定的借鉴意义。
This paper introduces a kind of two-lock control device adopting PLC software and hardware technology to realize the electrical safety guarantee measures in the production process of coal mines, metallurgy and other industries. The method adopted in this paper has some reference to the reconstruction of the traditional contactor-relay system.