福建宇創(chuàng)自動化設(shè)備有限公司

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)量等進行分析處理，同時擁有強大的可編程能


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)濟成本。


 PLC較之個人電腦的CPU來說，其特點是擁有強大的數(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、自動洗衣機等的過程控制中有著廣泛的應(yīng)用。




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