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mtt410
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樓主  發(fā)表于: 2020-07-09 19:14
用G.OUTPUT指令發(fā)送就報錯7F42。
看資料說(shuō):確認是否因DTR控制等而發(fā)生發(fā)送中斷。(不明白是什么意思)
已將串口引腳7(RTS)、8(CTS)短接
哪位大神給指教一下,小弟萬(wàn)分感謝了。


mtt410
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1樓  發(fā)表于: 2020-07-09 19:28
PLC模塊端的  4  6  腳    7  8腳已經(jīng)短接
小地主22
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2樓  發(fā)表于: 2022-08-02 13:45
1-4-6短接 7-8短接,剛測試可以了
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