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馮夫亮
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樓主  發(fā)表于: 2018-12-20 11:28
大神們，我用FX3SA本體422串口和PC通訊，PC端是USB轉485的線(xiàn)。引腳接線(xiàn)是PC端TR+與PLC RD+，TR-與PLC RD-。不知道這樣思路對不對，參數怎么設置。望大神們不吝賜教。
dgamen
歲月不饒人
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1樓  發(fā)表于: 2018-12-20 11:31
就差一條SC-09的線(xiàn)
樓主留言：
我是想通過(guò)自己接線(xiàn)的方式來(lái)了解原理，所以沒(méi)用這根線(xiàn)。

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