4.1.2. Profibus架构简介

下表为以OSI为参考模型的Profibus的协议架构:

表 4.1. 以OSI为参考模型的PROFIBUS协议架构

OSI-LayerPROFIBUS 
7ApplicationDPV0DPV1DPV2Management
6Presentation---
5Session
4Transport
3Network
2Data LinkFDL
1PhysicalEIA-485OpticalMBP