本文设计了一种用于自动抄表系统的数据集中器，对它的本地及远程通信的实现进行了详细阐述。该数据集中器采用基于uPD78F0881 单片机的硬件平台，实现了实时时钟、数据存储、数据通信等功能，并针对抄表系统通信特点设计了通信协议。最后，经测试表明所设计的系统达到了低功耗、高可靠性的设计要求。-A design of data concentrator in automatic meter reading system is described in this paper. The implementation of its local and remote data transmission are presented in detail. The data concentrator is based on uPD78F0881 MCU, employing infrared communication and CAN bus techniques. The test shows that the meter acquisition terminal has the characters of high stability, low-power, which has reached the demand of the design.