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liupei1899
三人行必有我師
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樓主  發(fā)表于: 2010-05-02 17:50
從實(shí)踐看，多數小型PLC只是利用了簡(jiǎn)單的邏輯關(guān)系，無(wú)論是從資源利用還是經(jīng)濟上考慮，好像都不如傳統的繼電器控制合算。
zxc6688
工業(yè)自動(dòng)化是我們的目標
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1樓  發(fā)表于: 2010-05-03 22:02
我覺(jué)得有時(shí)用到上升沿、下降沿的時(shí)候用PLC可以很方便的解決
http://zxc6688.ys168.com/

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