In combiation with the characteristics and application requirements of RTU parameter configuration and debug-ging,the basic framework of the parameter configuration and debugging system is put forward in this paper based on the serial port communication technology. The system has better visualization and strong interaction. The parameter information is imported and exported in bulk by two methods of the file configuration and RTU,by which the efficiency of the system was improved and the defects of a command line entry and single parameter configuration of the ordinary super terminal system were overcome. The actual application proves that the system is stable,easy to operate and convenient for the YDG-1 RTU parameter configura-tion and debugging.%以串口通信技术为基础，结合对RTU参数进行配置与调试的特点与应用需求，提出了该参数配置与调试系统的基本框架，并设计开发了该系统。该系统可视化好，交互性强，通过配置文件及RTU两种方式批量导入导出参数信息，提高了效率，克服了普通超级终端系统命令行输入及每次只能进行单个参数配置的不足。实践证明，该系统运行稳定，操作简单易行，为YDG-1型RTU参数配置与调试带来诸多方便。
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