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dianchisun
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樓主  發(fā)表于: 2008-08-02 14:11
plc內部中間繼電器會(huì )壞么，
liangtd
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1樓  發(fā)表于: 2008-08-03 08:13
Re:plc內部中間繼電器會(huì )壞么？
PLC也有實(shí)體的中間繼電器，好像三菱FX**-**MR，這種就有中間繼電器。通過(guò)接點(diǎn)電流過(guò)大就會(huì )被燒壞！

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