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scw威偉
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樓主  發(fā)表于: 2013-04-09 17:22
今天買(mǎi)了個(gè)3U的PLC，以前用的都是FX2N，COM點(diǎn)直接和X點(diǎn)接上就導通了，現在3U的是S/S公共點(diǎn)直接接X(jué)沒(méi)有輸入指示，要接上電源，我把S/S接0V，和接24V都試過(guò)了，都有用，然后上網(wǎng)查了一下說(shuō)是有漏型和源型之分，在不知道是什么型的情況下，我這樣接法會(huì )不會(huì )對PLC有影響。目前是正常運行的.
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1樓  發(fā)表于: 2013-04-10 11:15
3U的真還沒(méi)有用過(guò)咧，這就是3U和2N的其中一個(gè)區別呀

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