基于CAN总线的远程测控系统设计  

Design of remote measure & control system based on CAN bus

作　　者：黄志文[1] 谢春榕[1] 

机构地区：[1]玉林师范学院电子与通信工程学院,玉林537000

出　　处：《仪器仪表用户》2012年第4期25-28,共4页Instrumentation

基　　金：广西教育厅科研资助项目"对弈机器人的视觉和控制系统研究";项目号:201012MS185;玉林师范学院科研资助项目"计算机总线在嵌入式测控系统中的应用研究";项目号2010YJQN11

摘　　要：为实现远端节点的模拟、数字量采集与输出,本文介绍了一种带有12位高精度A/D、D/A转换器的单片机ADuC812及CAN总线控制器MCP1515构成的远程测控系统。文中重点介绍了远端测控节点的CAN总线接口硬件设计,以及软件设计中的CAN总线控制器初始化、CAN总线报文收发等内容。实验结果表明,该系统具有测量精度高、数据传输可靠及运行稳定等优点,能够满足工业现场的测控需求,具有很好的工业应用前景。In order to solve？ the problem of analog and digital signal acquisition and output of remote node, this article introduces the designing of a kind of remote measure ＆ control system, which consists of MCU ADuCSt2 with t2bit high precision ADC and DAC and CAN bus controller MCP2515. In this paper, hardware design of CAN bus interface for remote measure ＆ control system, Software design of the initial program and the message transceiver of CAN Bus Controller, are mainly introduced, reliable data transmission. Experimental results show that the system has high accuracy, reliable and stable data transmission, etc. The system can cater the demand of measuring and controlling task in industry locale, and has a brilliant application foreground in the industry.

关 键 词：CAN总线 ADUC812 远程测控 

分 类 号：TP303[自动化与计算机技术—计算机系统结构]