The Real-time Ethernet technology is a hot issue in the industrial communication area,and the EtherCAT technology has a bright prospect in such field.The wireless sensor network ZigBee technology can bring forth the convenience of the transmission channel on the deployment and planning,which can reduce many costs and troubles of the network cabling construction.Making a gateway which connects the EtherCAT network with the ZigBee network can expand the range of the industrial communication networks.In this way,the EtherCAT master can achieve a perception of the change in the industrial manufacturing environment.On the basis of further study on these two protocols,an implementation scheme of ZigBee accessing EtherCAT is proposed,and a communication model of an EtherCAT-ZigBee gateway is designed,and the gateway which connects the EtherCAT network and the ZigBee network is designed and realized through using ARM Cortex-A8 and CC2530.After tests,it shows that the EtherCAT network and the ZigBee network can communicate with each other through the gateway,which is able to meet the needs of real-time collection of field data.%实时工业以太网技术是目前工业通信领域研究的热点,EtherCAT技术具有光明的应用前景.无线传感网ZigBee技术可以带来传输通道部署和规划上的便利,可以减少大量布线施工的代价与困扰.开发连接EtherCAT和ZigBee的网关可以拓展工业通信网络的范围,实现对工业制造现场的环境变化的感知.在对两种协议深入研究的基础上,提出了ZigBee接入EtherCAT的实现方案,设计了EtherCAT和ZigBee的网关通信模型,并且采用ARM Cortex-A8和CC2530设计并实现了连接EtherCAT与ZigBee的网关.经过测试表明,该网关实现了EtherCAT与ZigBee网络通信的协议转换功能,能够满足实时采集现场数据的需要.
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