The class of a modified CSerailPort of, for 485modbus equipment, you can read out the value of multiple modbus device hanging on a serial register RTU mode, just need to modbus device address and read information write to.

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..\szEdit.cpp
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..\res\sz.ico
..\...\sz.rc2
..\Debug\SerialPort.sbr
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..\.....\sz.bsc
..\.....\sz.obj
..\.....\sz.pch
..\.....\sz.pdb
..\.....\sz.res
..\.....\sz.sbr
..\.....\szDlg.obj
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..\.....\szEdit.obj
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..\.....\vc60.idb
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..\.....\SerialPort.obj
..\.....\sz.exe
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sz
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