智能断路器DeviceNet通信模块设计与实现

摘要

针对可通信智能断路器的技术发展要求,提出一种基于DeviceNet总线协议的智能断路器通信模块设计方案.阐述了系统的组网形式、DeviceNet总线通信机制以及DeviceNet协议栈的软件实现方法.给出了电源电路、DeviceNet总线通信接口电路,以及互操作性测试界面和一致性测试中的浪涌测试结果.该模块有效地实现了智能断路器的远程通信和集中监控.%The design of communication module for intelligent circuit breaker based on the DeviceNet protocol is suggested according to the technical demands of intelligent low voltage circuit breaker with communication capability. The form of networking and mechanisms of DeviceNet communication, as well as DeviceNet protocol stack software implementation are expounded. The power circuit, DeviceNet interface circuit, the interoperability test interface and the result of inrush current test of conformance test are also presented. The module is effective to achieve the long-distance communications and the centralized monitoring.