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hfsa131420
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樓主  發(fā)表于: 2013-05-31 10:08
]大蝦們問(wèn)個(gè)問(wèn)題：手上有變頻器面板上帶有電位器，現在想加個(gè)遠程PLC控制調速，當PLC調速電位器調帶無(wú)效？
jonny_jean
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1樓  發(fā)表于: 2013-06-02 23:04
可以只要由PLC一個(gè)點(diǎn)去控制頻率源給定地方即可
huoshi
為所當為
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2樓  發(fā)表于: 2013-06-03 11:02
老師有沒(méi)有程序范例我是初學(xué)者謝謝

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