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高壓電工
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樓主  發(fā)表于: 2010-11-16 00:24
海太克的屏控制ＰＬＣ，在屏內部是用內部繼電器好還是用Ｘ輸入繼電器好
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1樓  發(fā)表于: 2010-11-16 01:00
肯定是用輔助繼電器了，這樣可以節約PLC的輸入點(diǎn)數的使用量，也就可以節約PLC的使用規格了
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