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提出了一种基于ARM7微控制器LPC2292的CAN总线分布式控制系统智能数据采集节点的设计,给出了系统硬件框图,数据采集、CAN通信初始化、数据发送和数据接收等部分的程序设计流程图,所设计节点实现方法简单,外扩器件少,结构合理,可靠性高,且节点扩展方便,已用于某工业现场,波特率为10 Kbps.图7,参8.
A design of intelligent data acquisition node of CAN bus distributed control system based on ARM7 micro-controller LPC2292 was proposed. The flow chart of program design such as system hardware block diagram, data acquisition, CAN communication initialization, data transmission and data receiving was given , The designed node has the advantages of simple implementation method, less external expansion device, reasonable structure, high reliability and convenient node expansion and has been used in an industrial site with a baud rate of 10 Kbps.