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王春杰
WCJ ZYR
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樓主  發(fā)表于: 2022-03-07 10:57
大家好！

       我想找一種不需要改上位機軟件的串口繼電器，比如上位機某個(gè)動(dòng)作完成后通過(guò)串口發(fā)送“A或B”，串口繼電器內部直接定義A為通道1，B為通道2，這樣就不用改上位機的軟件直接接收信號了，

謝謝！
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    zlcp123
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    1樓  發(fā)表于: 2022-03-07 16:46
    modbus 遠程IO

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