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樓主  發(fā)表于: 2014-10-22 22:52
請問(wèn)各位大師,三菱FX3GA的PLC輸入接線(xiàn)方法。今天接線(xiàn)一試可就是輸入點(diǎn)沒(méi)反應。輸入元件是NPN的磁性感應關(guān),紅接X(jué)  藍接S/S而S/S與PLC的0V相連也試過(guò)S/S與PLC的24V相連接但結果還是輸入無(wú)效。無(wú)奈  在此向各位請教了。謝謝。!
gdj-gdj
每天進(jìn)步一點(diǎn)點(diǎn)!
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1樓  發(fā)表于: 2014-10-23 19:53
6樓說(shuō)得好啊。

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