西门子200PLC上位机通信 经典源码\vb\Form1.frx
...............................\..\S7_200_PPI.bas
...............................\..\S7_200_PPI.dll
...............................\..\工程1.vbw
...............................\..\工程1.exe
...............................\..\Form1.frm
...............................\..\工程1.vbp
...............................\delphi\Project1.dpr
...............................\......\Project1.dof
...............................\......\Project1.cfg
...............................\......\Project1.res
...............................\......\Unit1.dcu
...............................\......\Project1.exe
...............................\......\S7_200_PPI.dll
...............................\......\Unit1.~pas
...............................\......\Unit1.~dfm
...............................\......\Unit1.~ddp
...............................\......\Unit1.pas
...............................\......\Unit1.dfm
...............................\......\Unit1.ddp
...............................\说明.txt
...............................\vb
...............................\delphi
西门子200PLC上位机通信 经典源码