【摘要】 文章讨论了一种远程抄表系统的设计与实现,该系统采用上、下位机结构,上位微机用于数据管理,下位机是以单片机为核心的采集器,用于前端数据采集和控制。DTMF收发器组成通讯电路,可在电话网上进行数据互传,实现居民小区水、电、煤气耗能计量的自动管理。更多还原

【Abstract】 This article is mainly concerning the System of Long distance Control and Copy meter which employs Front end and Back end Processor structure. Back end Computer is used to govern data management. Front end Manipulation based on SCM is used to realize data collecting and controlling. The communication circuit which is composed of DTMF Transceiver can realize automatic management of Water meter,Ammeter and Gas meter in residential area by exchange data through telephone net.更多还原