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xia19910909
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樓主  發(fā)表于: 2015-02-03 16:25
變頻器模擬量電流輸出顯示頻率,信號是0-20mA,但儀表買(mǎi)錯了,輸入時(shí)4-20mA的,儀表這邊是沒(méi)有辦法改了,請問(wèn)變頻器的輸出能改為4-20mA嗎?
jonny_jean
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1樓  發(fā)表于: 2015-02-07 18:51
引用
引用樓主xia19910909于2015-02-03 16:25發(fā)表的 關(guān)于三菱變頻器FR-A740 :
變頻器模擬量電流輸出顯示頻率,信號是0-20mA,但儀表買(mǎi)錯了,輸入時(shí)4-20mA的,儀表這邊是沒(méi)有辦法改了,請問(wèn)變頻器的輸出能改為4-20mA嗎?

沒(méi)法改 換表快點(diǎn)1個(gè)百來(lái)快
qq910877460
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2樓  發(fā)表于: 2015-02-10 11:21
參數更改一下,輸入切換開(kāi)關(guān)跳線(xiàn)就可以了
操蛋的工控行業(yè),為了碎銀幾兩,又不得不搞它

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