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小丘316
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樓主  發(fā)表于: 2025-01-03 13:52
現在是這樣的需求，一個(gè)數據采集板支持modbus tcp/rtu協(xié)議，需要讀取proface 顯示的PLC寄存器地址，別問(wèn)為什么不直接從PLC里讀，因為加密了。網(wǎng)上沒(méi)有這方面的資料，有高手實(shí)際做過(guò)嗎？國產(chǎn)屏幕我這樣做過(guò)，是把PLC的地址映射到HMI的地址里，然后讀HMI的地址數據。proface查不到這方面的資料
zengsixia
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1樓  發(fā)表于: 2025-01-04 21:17
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