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wuxi41
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樓主  發(fā)表于: 2018-03-12 17:04
一條生產(chǎn)線(xiàn)有幾個(gè)電柜，它里面的24v電源能溝通嗎?能的話(huà)怎么弄，就直接連連起來(lái)嗎
lay111
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1樓  發(fā)表于: 2018-03-13 11:57
共地可把信號共享,但不可正負兩端都並聯(lián)!!!
雖然都是24VDC拿電表量就能直接看到有電位差
兩端都並聯(lián)使用會(huì )出問(wèn)題的

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