该源代码演示了如何用vb语言编写上位机软件，实现和usb 5953数据采集卡的通讯，并实现计时器功能-The source code demonstrates how to write PC software using vb language, implementation and communication usb 5953 data acquisition card and realize timer function

文件为三菱PLC与VB通讯样例，附带单独开发动态链接库文件说明，在LabVIEW中没有调用成功，可能是本人调用问题-Files for Mitsubishi PLC and VB sample newsletter, with separate development dynamic link library file descr iption, do not call in LabVIEW success, I might call the problem