Substation data communication based on VB.NET

To maintain the substation easily and monitor the substation remotely,a kind of monitor system is put forward.It detects substation data by the Siemens S7-200 PLC and communicates with the computers.The computer receives,processes data with VB.NET and makes a foundation of LAN with far-end microcomputer.At last,both of the two computers carries out real-time monitoring of substation.