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qwer0987
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樓主  發(fā)表于: 2022-11-17 15:27
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各位彭于晏胡歌吳彥祖幫小弟看看，通過(guò)串口調試軟件向485模塊發(fā)送數據，模塊線(xiàn)路跟蹤已經(jīng)檢測到軟件發(fā)送過(guò)來(lái)的數據，但模塊的X3接收請求標志位確沒(méi)有變ON,寄存器也沒(méi)法接收到數據          調試軟件發(fā)送很多次才能在D100里看到接收過(guò)來(lái)的數據，再后面也是不斷的點(diǎn)發(fā)送才能看到一次接收成功，且接收的字節順序亂了              PLC向調試軟件發(fā)送正常，就是接收出現這種問(wèn)題         走485無(wú)協(xié)議通訊   模塊QJ71C24N-R4   腦闊疼
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cythyx
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1樓  發(fā)表于: 2022-11-17 16:25
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