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run324
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樓主  發(fā)表于: 2015-04-16 09:15
最近我司在外安裝已使用的工程案列，有三菱變頻器與PLC模擬通訊的，一個(gè)發(fā)生變頻器內部爆炸，頻率頻繁跳動(dòng)？說(shuō)明這都用了幾年了，且不是同一人做的程序。

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