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开关控制器是智能化开关设备与二次保护、测控设备接口的必要环节,为适应智能化变电站对开关的智能化需要,笔者提出了一种基于CAN总线和ARM核的智能化开关控制器的实现方案。给出了ARM微控制器和CAN控制器之间相连的硬件电路,论述了硬件接口之间数据通信的实现方法,给出了数据通信的软件设计流程。该方案具备了软、硬件基础,工程应用证明该控制器性能良好。
Switch controller is an essential part of intelligent switchgear and secondary protection, monitoring and control equipment interface. In order to meet the intelligent requirements of intelligent switchgear, the author presents an intelligent switch controller based on CAN bus and ARM core Realize the program. The hardware circuits connected between ARM microcontroller and CAN controller are given. The realization of data communication between hardware interfaces is discussed. The software design flow of data communication is given. The program has a soft, hardware foundation, engineering applications prove that the controller performance is good.