可实现三菱PLC与电脑串口通讯的源代码，此程序与经用于多个工控系统，绝对无错！-Mitsubishi PLC can realize serial communication with computer source code, this procedure been used for many industrial control systems with, absolutely nothing wrong!

与欧姆龙plc通信的实例，目前只能做单一的通信，具体实时的还在学习中-Examples of communication with Omron plc, currently only do single communication, specific real-time still learning

It provides an example of OPC data interface as client in MS-Excel. The code is written in VB scr ipt in excel workbook which imports data from S7 PLC via OPC protocol through MPI interface.

OMRON PLC Programming