PLC串口调试程序,串行通信编程的方法，对采用了RS-232接口的仪器进行串行通信的计算机测控软件开发，以及实现仪器功能和指标的验收-Microsoft Comm Control 6.0中）-vb serial communications debugging method existing electronic weighing a Taiwan, the use of serial communication with the computer. Preparation of VB to visit serial, electronic scales to read displayed on the data. The electronic scales for BE01-type instrument, the output of RS-232C standard interface