【作者】 吴剑锋； 李建清； 宋爱国； 王蕾；

【Author】 Wu Jianfeng1, Li Jianqing1, Song Aiguo1, Wang Lei2(1 School of Instrument Science and Engineering, Southeast University, Nanjing 210096, China;2 Nanjing Research Institute of Electronics Technology, Nanjing 210013, China)

【机构】 东南大学仪器科学与工程学院； 南京电子技术研究所；

【摘要】 本文分析介绍了仪表总线(MeterBus简称MBus)信号,并就此设计了两种232电平到MBus总线信号的转换接口电路及其总线供电电路,其中简易主机接口简单易用,成本低廉,多负载主机接口驱动能力强,有很好的可靠性。同时还就MBus通讯介绍了两种常用方法,并就其通讯中必要的快速ID搜索提出了一种优化算法,在实际中得到很好应用。更多还原

【Abstract】 Meter Bus signals had been analyzed in this paper, through which two converters had been designed for converting 232-level to MBus signals. Simple converter was easy to use with low cost and the multi-loads converter had a better drive ability and good reliability. Also two MBus communication methods had been introduced in this paper. An excellent ID searching arithmetic which was necessary for communication had been presented in this paper and had been well used in application.更多还原