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!

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.