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Application notes
Sample programs in VB6, VB Express and GNU C++ to help you write software that runs on a PC or Mac and talks to a TRi PLC over the serial port or the Ethernet port.
Visual Basic
Connect a PC to a Super PLC over TCP/IP (Ethernet or Internet) and send or receive ASCII host-link commands. The sample project and the supplied DLL are a good starting point.
A sample program for VB Express. Build your application on top of the supplied code as a foundation for setting up serial communication with the PLCs.
A sample program for Visual Basic 6. Build your application on top of the supplied code as a foundation for setting up serial communication with the PLCs.
C++
Fran Jarnjak contributed this serial communication sample program for the Apple Mac and Unix platforms.
Our engineers answer host-link and Modbus questions directly.