users' telephone line collective system

Then,it designs picture in view of the character of remote reading meter s communication protocol and the remote reading meter system software among the user measure meter,the concentrated reading meter system,the center management computer.

针对户用计量仪表的远程集中抄表问题,设计了基于CAN/RS485双层网络结构的抄表系统,并对远程抄表技术通信过程中的数据可靠性低的问题,提出了一种握手联络式串口通信协议,根据远程抄表系统的通信特点设计了集中控制器与用户信息采集器、管理中心计算机与集中控制器之间的通信协议,得出了其软件实现框图。