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lzhpsky
工控小菜鳥(niǎo)
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樓主  發(fā)表于: 2014-01-12 11:59
朋友給的一個(gè)128MR的PLC，現在怎么輸入點(diǎn)的X4接通是X5也有信號    ，  X14 接通時(shí) X15 也有信號  ，    X24 接通 X25也有信號，一直到X74 X75。貌似帶4和帶5的點(diǎn)都連起來(lái)了，這是怎么回事？哪里的問(wèn)題，PLC里面的元件燒了嗎，大家有沒(méi)有碰到過(guò)這個(gè)事情，那個(gè)元件有故障呢？謝謝大家
jokelionqi
知音少，弦斷有誰(shuí)聽(tīng)
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1樓  發(fā)表于: 2014-01-12 14:04
應該不是真貨
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