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qwe123zxclk
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樓主  發(fā)表于: 2020-03-10 07:13
圖片：
工程描述：選用200smart(服務(wù)器)與第三方設備(客戶(hù)端)modbus tcp通訊，第三方設備(客戶(hù)端)已經(jīng)確定了通訊協(xié)議，只能采用04與16功能碼讀寫(xiě)服務(wù)器數據(見(jiàn)下圖)。

問(wèn)題：200smart的數據有250個(gè)放在V寄存器供客戶(hù)端讀取，客戶(hù)端只能支持04功能碼而不能改到03功能碼，請問(wèn)有什么方法可以讓客戶(hù)端讀到200smart內的寄存器？比如加什么硬件等
slayer0204
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1樓  發(fā)表于: 2020-03-10 08:31
mov  vw0 iw1000 試試看

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