【摘要】 根据国家标准——“EPA(Ethernetforplantautomation)标准”,结合IEEE802.11b的特点,提出了基于EPA的802.11b工业现场设备(E11BE)接入EPA控制网络的协议模型,探讨了EPA控制网络802.11b接入点(E11BAP)的硬件结构与软件实现方法,重点介绍了软件部分各功能模块的组成、关系及其编程实现。更多还原

【Abstract】 According to the national standard--"EPA standard" that the author took part in making, and the characteristics of IEEE802.11b, the model of 802.11b wireless equipments based on the EPA in industrial field accessed to EPA control network is proposed. The hardware structure and software realization of wireless access point of 802.11b(E11BAP) in EPA control network are discussed. It also emphatically presents the composing, relationship and the programmed realization of each function module of software.更多还原