EtherCAT从站硬件设计方法

A hardware design method of EtherCAT slave station

介绍了一种新的实时工业以太网总线技术Ether CAT,该工业以太网技术的高度实时性、灵活的拓扑结构、简单的配置方法、技术的开放性等能有效缓解传统以太网总线技术传输数据量小、实时性不高、通信接口不统一带来的工业控制领域瓶颈问题。从Ether CAT的运行原理及其从站硬件电路设计所需芯片选型入手,对芯片的选择以及外围电路设计进行了详细的描述。通过对几种实时工业以太网通信技术的比较证明了该种实时工业以太网技术的数据传输的高速性。

A new real-time industrial Ethernet technology is introduced. Its highly real-time, flexible topology, simple configuration, technology access can help solving the problems of the industrial control field. The traditional Ethernet technologies transfer the little data, and it has low real-time and no accordant communication interfaces. After introducing the running principle of EtherCAT and the selection of the chips in this hardware circuit, the design around these chips is explained in detail. By comparing the EtherCAT and other real-time industrial Ethernet technologies, the high-speed characteristic of EtherCAT is proved.