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qvbwg
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樓主  發(fā)表于: 2010-11-28 14:05
我做的是一套自動(dòng)焊接設備，當焊機啟動(dòng)時(shí)（只是啟動(dòng)，焊機還沒(méi)有輸出電流），PLC與觸摸屏通訊被干擾，無(wú)法進(jìn)行通訊。請問(wèn)各位高手，這屬于什么類(lèi)型的干擾，怎么處理。
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1樓  發(fā)表于: 2010-11-28 18:59
把焊機的接地分開(kāi)，plc單獨接地，或者你的動(dòng)力線(xiàn)跟通信在一起

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