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netwell
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樓主  發(fā)表于: 2015-12-08 11:02
Q系列PLC，設備里讀出的程序，全程序里只有這么一個(gè)S2觸點(diǎn)（沒(méi)有線(xiàn)圈），想知道這S2是什么意思
wangnaizhi
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1樓  發(fā)表于: 2015-12-08 11:07
和M是一樣的吧 步進(jìn)指令的位原件 和M是一個(gè)概念 （FX系列是這樣的） Q的 應該也是一樣的吧
netwell
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2樓  發(fā)表于: 2016-02-05 13:05
終于知道答案了，如圖所示， [attachment=144398]  S1、S2……是SFC中的分支。  是我沒(méi)講清楚問(wèn)題

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