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在现在的工业生产与控制当中,对信息传递的要求越来越高,要求设备能有良好的通信速度,准确的远程控制以及在恶劣的生产环境中的抗干扰能力。为了满足这样的要求,选择采用工业现场中广泛使用CAN总线和网络中最成熟的以太网技术相结合的办法,本文研究的是如何实现他们的互连,并且给出了他们互连的硬件框图,软件流程图,以及他们之间的协议转换。
In the current industrial production and control, the information transmission requirements are higher and higher, requiring equipment to have good communication speed, accurate remote control and anti-interference ability in harsh production environment. In order to meet such a requirement, we choose to adopt a combination of the CAN bus that is widely used in the industrial field and the most mature Ethernet technology in the network. This paper studies how to implement their interconnection and gives the hardware block diagram of their interconnection , Software flow charts, and protocol conversions between them.