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向錢(qián)沖
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樓主  發(fā)表于: 2012-03-17 08:48
前幾天我公司自制的一臺三菱PLC的兩個(gè)接接近開(kāi)關(guān)的輸入點(diǎn)擊穿了，把接近開(kāi)關(guān)折下輸入指示燈亮，我懷疑質(zhì)量問(wèn)題，問(wèn)共貨商說(shuō)可能是因為信號線(xiàn)跟電機線(xiàn)走在一起的原因，我的這臺設備確實(shí)有幾條信號線(xiàn)跟一臺4KW的電機電源線(xiàn)走在一起（大約3米左右），請問(wèn)各位老師真的有那么嚴重嗎？
283276325
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1樓  發(fā)表于: 2012-03-17 10:08
應該是接近開(kāi)關(guān)的質(zhì)量問(wèn)題，雖然說(shuō)電機線(xiàn)產(chǎn)生的電磁感應會(huì )對信號線(xiàn)產(chǎn)生干擾，但不至于把兩個(gè)接近開(kāi)關(guān)的輸入點(diǎn)擊穿了

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