基于Device Net的现场总线设备及其开发

Fieldbus Equipment Based on Device Net and Its Design

Device Net是一种基于CAN总线技术的符合全球工业标准的开放型通信网络。可以连接底层低端工业设备,又可以连接像变频器、操作员终端等复杂设备。介绍了Device Net网络模型、技术特点、基于Device Net的总线设备对象模型以及节点开发的途径及一般步骤,建立了节点开发实例并介绍了其软、硬件设计流程。

Device Net is a kind of opening communication network, accords with the world industry standard, based on CAN technology . It can connect the bottom industry equipment and complex equipment such as transducer , operator terminal . The network model of Device Net and its technology characteristic, the object model of fieldbus equipment based on Device Net and the approach and general steps of its node design were introduced. A node design example was presented and its software and hardware design flow were introduced too.