Programmable logic controller(PLC) is a kind of automation device with microprocessor and memorizer as its control center, which plays a more and more important role in the field of industry.
可编程控制器（PLC）作为一种以微处理器及其存储器为控制中心的自动化装置，在工业自动化控制领域发挥着越来越重要的作用。
Programmable logic controller(PLC) is a kind of automation device with microprocessor and memorizer as its control center, which plays a more and more important role in the field of industry.
可编程控制器（PLC）作为一种以微处理器及其存储器为控制中心的自动化装置，在工业自动化控制领域发挥着越来越重要的作用。
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