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jiadian2468
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樓主  發(fā)表于: 2016-11-01 20:51
一臺西門(mén)子280KW變頻器，原控制方式是0-20ma控制，現在想用4-40ma控制，（因為PLC給定的就是4-40ma的電流信號）請問(wèn)這樣該怎么接線(xiàn)，參數需要怎么調，可以這樣用嗎？？？？？？？求解，謝謝。
711022027
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1樓  發(fā)表于: 2016-11-01 21:19
可以在PLC里轉換成20MA輸出啊，輸出數據除以2就可以��！

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