摘  要：本文在简介了网络协议和通信模型的基础上，重点阐述了PROFIBUS协议结构、组成PROFIBUS的PROFIBUS-PA、PROFIBUS-DP和PROFIBUS-FMS三个系列的特性、PROFIBUS模块化设计及应用领域。 关键词： 协议  结构  特性 Abstract: Based on the introduction of the network protocol and communication model, focuses on the PROFIBUS protocol structure, PROFIBUS PROFIBUS-PA, PROFIBUS-DP and PROFIBUS-FMS three series of PROFIBUS characteristics, modular design and application. Key Words: Protocol[登陆后可查看全文]