Visual Basic serial communication program design Mscomm.vbx communication control directly from the toolbox to add vb form form, you can communicate with its

vbplc
.....\FX通讯232BD（485BD）通讯
.....\........................\FXRS232.exe
.....\........................\说明.txt
.....\MSCOMM32.OCX
.....\VB与三菱变频器通讯
.....\..................\VB与三菱变频器通讯.exe
.....\VB实现局域网通讯
.....\................\1#PC.exe
.....\................\2#PC.exe
.....\三菱FX编程口通讯
.....\................\sanlin.exe
.....\台达PLC编程口通讯
.....\.................\delta.exe
.....\松下编程口通讯
.....\..............\松下PLC编程口通讯软件.exe
.....\欧姆龙PLC编程口通讯
.....\...................\欧姆龙编程口通讯软件.exe
.....\永宏PLC编程口通讯
.....\.................\yongh.exe
.....\西门子S7-200编程口（PPI）通讯
.....\.............................\S7PPI200.exe
.....\说明.txt

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