w95_s7.dll Siemens 300 communication with VB with a DLL file it can be achieved without OPC communication

西门子200PLC通信控件\delphi下安装说明.bmp
....................\ppi_delphi\Project1.cfg
....................\..........\Project1.dof
....................\..........\Project1.dpr
....................\..........\Project1.exe
....................\..........\Project1.res
....................\..........\Unit1.dcu
....................\..........\Unit1.ddp
....................\..........\Unit1.dfm
....................\..........\Unit1.pas
....................\ppi_delphi
....................\....vb\Form1.frm
....................\......\Form1.frx
....................\......\MSSCCPRJ.SCC
....................\......\工程1.exe
....................\......\工程1.vbp
....................\......\工程1.vbw
....................\ppi_vb
....................\安装控件.exe
....................\说明.txt
西门子200PLC通信控件

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