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hjs2009
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樓主  發(fā)表于: 2015-04-07 08:29
各位朋友：我聽(tīng)別人說(shuō)三菱PLC的收入點(diǎn)有高電平有效的型號，也就是說(shuō)我可以接PNP型的開(kāi)關(guān)。有知道的朋友請提供一下，謝謝！
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1樓  發(fā)表于: 2015-04-07 11:18
三菱PLC，有NPN和PNP輸入有效的，我手上就有好幾個(gè)PNP輸入有效的。

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