摘 要：本文在简介了PROFIBUS-DP系统所包括的三种不同类型设备的基础上，重点阐述了PROFIBUS-DP的总线存取过程应遵循的原则及PROFIBUS-DP系统行为和行规。
关键词：系统设备 系统行为 系统行规
Abstract: Based on three different types of equipment in this paper including the brief introduction of PROFIBUS-DP system, Focuses on the behavior and norm principle and PROFIBUS-DP system bus access PROFIBUS-DP should follow.
Key Words: System device System behavior Norm system
【中图分类号】S972.7+4 【文献标识码】B 文章编号16
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