PLC與CPU區(qū)別


 PLC是ProgrammableLogicController的英文縮寫，中譯名：可編


程邏輯控制器。


 簡單理解的話，它和個人電腦上的CPU類似，都屬于某一類系統(tǒng)上


進(jìn)行數(shù)據(jù)采集處理的核心，但使用范圍和作用與一般CPU不同，而且

PLC不像個人電腦上的CPU一樣單單指一個CPU，準(zhǔn)確說它是一種控制

聯(lián)系人：小蘇


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系統(tǒng)，擁有自己的CPU，同時(shí)配置了各種功能面板和I/O口，可通過


I/O采集模擬量、開關(guān)量等進(jìn)行分析處理，同時(shí)擁有強(qiáng)大的可編程能


力，一般利用梯形圖程序中提供的各種軟繼電器即可實(shí)現(xiàn)一些復(fù)雜的


邏輯控制，省去了傳統(tǒng)的硬件式繼電器復(fù)雜的接線和經(jīng)濟(jì)成本。


 PLC較之個人電腦的CPU來說，其特點(diǎn)是擁有強(qiáng)大的數(shù)據(jù)采集能力和


對某一種自動控制過程的優(yōu)秀處理能力，在工業(yè)上、制造業(yè)上，民用


比如電梯、自動洗衣機(jī)等的過程控制中有著廣泛的應(yīng)用。




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