该文介绍了基于CAN总线构建现场测控网络的设计和实现方法.文中阐述了CAN总线网络的设计原理 ,给出了应用层软件的编制方法和现场组网的方式“,”The designing and realizing method to construct a field measuring and control network based on CAN bus is introduced in this paper.In the paper the author expatiate on the design principle of CAN bus network,and then explain a method for making programs in the applied layer,finally indicate the way to realize CAN bus netwok in a industry field.