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文中简要介绍了PROFIBUS-DP现场总线的基本概念及构成,并从开发、应用的角度探讨了PROFIBUS-DP通信接口模块的设计及实现方法。而且设计了光模块,实现系统光纤互连。实验表明,设计是合理的,完全达到了预期的效果。
In this paper, the basic concepts and components of PROFIBUS-DP fieldbus are briefly introduced. The design and implementation of PROFIBUS-DP communication interface module are discussed from the perspective of development and application. And designed the optical module, realize the system optical fiber interconnection. Experiments show that the design is reasonable and fully achieves the expected results.