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m046
學(xué)無(wú)止境
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樓主  發(fā)表于: 2019-06-30 18:45
圖片：
主電源跳幾次閘，燒了這么多模塊，不知道具體原因，CPU都是DC24V的，AC端還加了濾波器，和電源電壓高有關(guān)嗎？（實(shí)測235V ac）請師傅們分析一下，另這些模塊可以修嗎？CPU是不亮燈了，DC/DC/RLY模塊懷疑是繼電器粘住了，沒(méi)有輸出。
學(xué)專(zhuān)業(yè)技能，交痛快朋友。喜歡我們的工控人家園。
honggun
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1樓  發(fā)表于: 2019-06-30 19:07
根據燒損的位置才能確定原因

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