内嵌CAN总线在智能断路器中的应用

Application of embedded CAN bus in intelligent circuit breaker

配电自动化系统的迅速发展对电器产品提出了可通信要求,即实现智能化电器与中央控制设备之间的双向数据通信。该设计中采用微处理器DS80C390内嵌CAN(ControllerAreaNetwork)控制器实现对智能断路器的可通信功能,介绍了系统网络和智能节点的结构设计以及软件的实现过程,重点介绍了智能节点通信软件的设计及实现过程中应注意的问题。系统中的智能断路器具有可通信、体积小、结构模块化、功能齐全等优点。

The rapid development of the distribution automation system demands the communication capability of electrical equipment i.e.the bi-di rectional data communication between the in telligent electrical equip ment and the central con trol equipment.The embed ded CAN(Con troller Area Network)controller of micro pro-cessor DS80C390is applied to im ple ment the communi cation functions of intel-ligent circuit break er.The structure design of system network and intelligent node and the software im plemen tary pro ce-dure are described.The communication software design of intelligent node and the attentive points during implementary procedure are emphasized.The intelligent circuit breaker has ex-cellent com mu nication capability,small size,modularized structure and com plete functions.