With the rapid development of science and technology, the level of automation control in our country continues to improve, and various control techniques are emerging. PLC automation control technology not only can reduce the waste of human, material and financial resources, but also can improve the efficiency of mechanical maintenance and maintenance. The simple programming control system, which is designed by the technology, has the characteristics of high reliability, complete function and strong adaptability. It has been widely used in most industries.%随着科技的快速发展,我国自动化控制的水平在不断提高,各种控制技术也不断涌现.PLC自动化控制技术不仅可减少人力、物力和财力的浪费,还可提高机械维修、养护的效率.以该技术设计的可简单编程的控制系统,具有可靠性高、功能完备和适应性强等特点,已被广泛运用到了大部分工业中.
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