上位机通过COM口与台达PLC通讯，对PLC继电器和寄存器进行读写操作的VB源代码 源文件： DeltaCommDrv.dll Form1.frm mdlDeltaCommDrv MSSCCPRJ PLCDemo PLCDemo

Packet : DeltaDemo.rar filelist
DeltaDemo/DeltaCommDrv.dll
DeltaDemo/Form1.frm
DeltaDemo/mdlDeltaCommDrv.bas
DeltaDemo/MSSCCPRJ.SCC
DeltaDemo/PLCDemo.vbp
DeltaDemo/PLCDemo.vbw
DeltaDemo

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