Modbus协议在保护测控装置内部通信中的应用

Application of Modbus Protocol in Interior Communication of Protection and Monitoring Device

介绍了一种利用Modbus通信协议实现保护装置内部通信的方法。该方法对装置内部通信数据进行了详细的统计与分析,并将与通信数据相关的应用功能与Modbus功能码进行了合理的映射,更好地实现了装置模块间的信息交互。详细阐述了装置内部通信的过程及实现。实际工程运行表明:该方法简单实用,可靠地实现了装置内模块间的通信,提高了装置的整体运行效率及可靠性。

This paper introduced a method of implementing the interior data communication for the protection device. Based on the analysis of the interior data, reasonable mapping of the data-application on the Modbus function codes was given, to make it more fit for implementing the interior data communication. The whole procedures and implementation of the interior communication were elaborated. The practical application shows that the method is simple and practicable and able to implement the interior data communication reliably and enhance the efficiency of the device.