Description: With Siemens S7-200 communications, use the controls, contains delphi source code, it is worth a try
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西门子200PLC通信控件\delphi下安装说明.bmp
....................\ppi_delphi\Project1.cfg
....................\..........\Project1.dof
....................\..........\Project1.dpr
....................\..........\Project1.res
....................\..........\Unit1.dcu
....................\..........\Unit1.ddp
....................\..........\Unit1.dfm
....................\..........\Unit1.pas
....................\..........\Unit1.~dfm
....................\..........\Unit1.~pas
....................\....vb\Form1.frm
....................\......\Form1.frx
....................\......\MSSCCPRJ.SCC
....................\......\工程1.vbp
....................\......\工程1.vbw
....................\安装控件.exe
....................\说明.txt
....................\ppi_delphi
....................\ppi_vb
西门子200PLC通信控件
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