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364387538
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樓主  發(fā)表于: 2012-06-28 19:28
該怎么選擇PNP和NPN型號的接近開(kāi)關(guān)接入PLC中
如三菱的應該接那種型號的接近開(kāi)關(guān)為什么，如過(guò)選了相反的接近開(kāi)關(guān)會(huì )有什么后果
西門(mén)子用什么  。為什么，選了相反的接近開(kāi)關(guān)會(huì )有什么后果

還有，三菱的COM 口接24V還是0V，。。。三菱PLC輸出是OV還是24V
那西門(mén)子呢
我是菜鳥(niǎo)
求求助
[ 此帖被364387538在2012-06-28 19:36重新編輯 ]

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