Siemens Simatic S7-300 - Page 44

Communication
3.2 Communication services
CPU 31xC and CPU 31x, Technical Data
3-12 Manual, 01/2006 Edition, A5E00105475-06
The figure below shows the MPI access to PROFINET via PROFIBUS CPU 1 (315-2 DP, for
example) is the router for subnet 1 and 2;
CPU 2 is the router for subnet 2 and 3.
Routing network nodes: MPI - DP - PROFINET
03,'3
DFWLYHVODYH
6XEQHW03,
'3
PDVWHU
6XEQHW352),%86
6XEQHW352),1(7
&38
HJ'3
&38
31'3
&38
31'3
3131
3*
03,