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Siemens AG
Entry type: FAQ, Entry ID: 19543467, Entry date: 10/13/2004
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Comparison of the terms of PROFIBUS and PROFINET

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QUESTION:   What are the conceptual differences when comparing PROFIBUS with PROFINET? ...

QUESTION:  
What are the conceptual differences when comparing PROFIBUS with PROFINET?

ANSWER:  
The following graphic illustrates the general synonyms of the most important devices with PROFIBUS and PROFINET. In the following table the synonyms of the individual components in context with PROFINET and in context with PROFIBUS are located.

 

Digit PROFINET PROFIBUS Comment
1 IO System DP-Mastersystem subsystem
2 IO Controller DP Master  superordinated device
3 IO Supervisor PG/PC device for engineering and diagnostics
4 Industrial Ethernet PROFIBUS subnet
5 HMI HMI operator interface system 
6 IO Device DP Slave superordinated device


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