天津职业技术师范大学学报
天津職業技術師範大學學報
천진직업기술사범대학학보
JOURNAL OF TIANJING UNIVERSITY OF TECHNOLOGY AND EDUCATION
2011年
3期
24-27
,共4页
杨景民%宋延民%裴君%李斌飞
楊景民%宋延民%裴君%李斌飛
양경민%송연민%배군%리빈비
仪表%M—BUS%TTL
儀錶%M—BUS%TTL
의표%M—BUS%TTL
instruments%M-BUS( Meter Bus )%TTL
M—BUS(MeterBus)仪表总线是一种低成本的户用电子系统,可以实现公共事业表的联网和远程抄表功能。公共事业表包括户用电表、水表、热量表等计量仪表。本文讨论仪表总线M—BUS和TTL(Transistor—Transistor Logic)电平之间的接口电路的设计,论述了其通信中的发送和接收机制,并提出了硬件上的设计方案。所设计的接口电路传输距离远、带负载能力强、可靠性高、抗干扰能力强。
M—BUS(MeterBus)儀錶總線是一種低成本的戶用電子繫統,可以實現公共事業錶的聯網和遠程抄錶功能。公共事業錶包括戶用電錶、水錶、熱量錶等計量儀錶。本文討論儀錶總線M—BUS和TTL(Transistor—Transistor Logic)電平之間的接口電路的設計,論述瞭其通信中的髮送和接收機製,併提齣瞭硬件上的設計方案。所設計的接口電路傳輸距離遠、帶負載能力彊、可靠性高、抗榦擾能力彊。
M—BUS(MeterBus)의표총선시일충저성본적호용전자계통,가이실현공공사업표적련망화원정초표공능。공공사업표포괄호용전표、수표、열량표등계량의표。본문토론의표총선M—BUS화TTL(Transistor—Transistor Logic)전평지간적접구전로적설계,논술료기통신중적발송화접수궤제,병제출료경건상적설계방안。소설계적접구전로전수거리원、대부재능력강、가고성고、항간우능력강。
M-Bus bus, a low-cost instrument household electronic system, can achieve public features networking and remote meter reading. Instruments of public utilities include electricity meters, water meters, heat meters and other measuring instruments. The instrument bus, M-BUS (Meter Bus) and the interface between TTL level circuit design and its communication mechanism for sending and receiving are introduced, and hardware design is proposed in this paper. The advantages of the design of the interface circuit include transmission distance, load capac ity, high reliability, and anti-interference ability.