基于CAN总线的压力测量节点的设计  

Design of Pressure Measurement Node Based on CAN Bus

作　　者：张铁壁[1] 吴并臻[1] 

机构地区：[1]北京科技大学,北京100083

出　　处：《仪表技术与传感器》2004年第9期37-38,共2页Instrument Technique and Sensor

摘　　要：介绍了CAN现场总线技术及其特点,提出了一种基于CAN现场总线的单个压力测量节点的设计,给出了测量节点的硬件实现框图、软件设计,还对采取的传感器的数据处理方法进行了说明。系统运行结果证明:采用CAN总线提高了信号传输的实时性、可靠性,增加了传输距离,测量精度也得到了显著的提高。Introduced the CAN field bus and its characteristics.Presented a kind of single pressure measurement node based on CAN bus,and offered the realization of hardware and software design of the measurement node.Explained the method of processing sensor data.The results show that a dopting the CAN bus can improve the real time,distance and dependability of the signal transmission,and the measurement precision is improved remarkably.

关 键 词：CAN总线 压力测量节点 现场总线 SJAL000 数据处理 

分 类 号：TH812[机械工程—仪器科学与技术] TP336[机械工程—精密仪器及机械]