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tsq117
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樓主  發(fā)表于: 2012-02-08 09:02
3G3MZ變頻器與plc連接，由無(wú)線(xiàn)與上位機進(jìn)行通信，采集的信號有一定的干擾，如何解決變頻器的干擾問(wèn)題
雨落櫻花
好吃懶作
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1樓  發(fā)表于: 2012-02-08 10:05
干擾的解決方法差不多都一樣的
1、良好的接地系統，動(dòng)力地和信號地分開(kāi)接地，信號地最好單端接地，防止產(chǎn)生電勢差
2、柜體，布線(xiàn)的EMC規則，不同電壓等級的導線(xiàn)最好不要同線(xiàn)槽走線(xiàn)
tsq117
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2樓  發(fā)表于: 2012-02-08 16:38
謝謝 雨落櫻花！

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