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 |
|