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zjp198169
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樓主  發(fā)表于: 2009-08-10 10:34
大家好：
我有一快小鐵塊圍繞它一端做圓周運動(dòng)，當它轉到一個(gè)位置時(shí)在此位置裝有一個(gè)接近開(kāi)關(guān)，這個(gè)接近開(kāi)關(guān)的信號是送到PLC的。當這個(gè)鐵快以高速轉動(dòng)時(shí)這個(gè)接近開(kāi)關(guān)指示燈也亮了，但PLC確實(shí)沒(méi)收到這個(gè)信號。大家幫我介紹介紹有沒(méi)有靈敏度高點(diǎn)的接近開(kāi)關(guān)。
yefengchen
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1樓  發(fā)表于: 2009-08-10 12:06
看下線(xiàn)接對了沒(méi)？問(wèn)題可能就出在這些細節上

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