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liujianbo818
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樓主  發(fā)表于: 2009-08-25 14:28
我在現場(chǎng)調試時(shí)！我的IO.5端子的指示燈只要變頻器一開(kāi)啟后一直是亮著(zhù)的，關(guān)掉變頻器指示燈不亮。監控時(shí)I0.5沒(méi)動(dòng)作。
wwcwwc
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1樓  發(fā)表于: 2009-08-25 15:10
如果你這個(gè)I0.5點(diǎn)沒(méi)有用,那不用理會(huì )它,如果要使用,那只能檢查布線(xiàn)(指的是干擾問(wèn)題)或者用中繼轉換一下.看是否確認是干擾.或者重新編排你的COM.把變頻回路與它分開(kāi)試試.
wwcwwc
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2樓  發(fā)表于: 2009-09-05 12:00
回4；5樓主：幾乎可能肯定是干擾問(wèn)題。因為PLC輸入電氣隔離是光藕（mA級）微弱的感應型號都能觸發(fā)LED燈，你的現象是還完全沒(méi)有觸發(fā)它的輸入，只是沒(méi)有達到觸發(fā)值而已。重新布線(xiàn)試試�；蛘哂弥欣^轉換一下。

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