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aabbcc296
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樓主  發(fā)表于: 2009-10-22 09:50
請教一個(gè)初級問(wèn)題:DC8V輸入變頻器的模擬輸入端子,端子選0-5V\0-10V有什么不同?變頻器的輸出頻率有什么不同?電機的轉速有什么變化?
[ 此帖被aabbcc296在2009-10-24 12:21重新編輯 ]
liujianbo818
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1樓  發(fā)表于: 2009-10-22 15:12
選0-5V時(shí)，如果輸入8V的話(huà)，變頻器有可能跳過(guò)載保護的。選0-5V是，4V對應的應該是40HZ，選0-10V時(shí)，4V對應的是20HZ，成線(xiàn)性比例關(guān)系!（上限0-50HZ為例，以此類(lèi)推）

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