Introduction
Simple projects with complete sources can be found under: Transport-Interface Examples.Transport-Interface Examples
A PLC application which should communicate with a control station or substation via the transport interface needs the following resources:
- Instance of communication function block: FB_IEC870_5_104TProtocol;
- Instance of function block to create a TCP/IP connection: FB_ServerClientConnection or FB_ClientServerConnection;
- Instance of TX/RX data buffer: ST_IEC870_5_101TBuffer;
- Instance of function block to manipulate the TX/RX data buffer: FB_IEC870_5_101TBufferCtrl;