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huikong
海納百川，天道酬勤
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樓主  發(fā)表于: 2014-12-23 20:10
各位大俠，請教一下！
    原來(lái)是一只三菱PLC的FX1N-60MT已壞,現在被FX3GA-6OMT替代，接線(xiàn)問(wèn)題：原來(lái)輸入公共點(diǎn)COM是接外部電源24V--，現在FX3GA漏型輸入，S/S與PLC自帶24V+短接，0V相當于原來(lái)輸入COM公共點(diǎn)，這樣一接，外部24V--與FX3GA自帶的OV不就短路了么？外部24--不能拆，全部接到機器傳感器里面了，我理解是這樣會(huì )短路么？
[ 此帖被huikong在2014-12-23 20:18重新編輯 ]
huikong
海納百川，天道酬勤
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1樓  發(fā)表于: 2014-12-23 21:48
它是2路電源啊，三菱官網(wǎng)硬件手冊只有4頁(yè)
huikong
海納百川，天道酬勤
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2樓  發(fā)表于: 2014-12-30 08:27
問(wèn)題已經(jīng)解決，兩路電源不能短接，短接會(huì )短路，嚴重會(huì )燒壞PLC電源模塊

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