这是通过一个门禁读卡器进行485转RS232-This is the reader through a door lock switch for 485 RS232

臺達變頻器通信模塊﹒為RS－485﹐通信模式為MODBUS﹐直接用C語言編譯程序可打開﹒-Taiwan converter communication module. For RS-485, MODBUS communications model, the direct use of C language compiler can be opened.

vc++6.0编写的串口采集程序，用了缓冲区，实时显示效果很好，供大家学习参考-vc++6.0 prepared by serial acquisition program, with the buffer zone, real-time display a good effect, for them to learn information