Siemens Automation System S7-400 - Manual (Page 109)

Networking
5-11
Automation System S7-400 Hardware and Installation
A5E00850741-01
Example of an MPI Network
* Only connected via spur line for startup/maintenance (with default MPI address)
** Connected to the MPI later on (with default MPI address)
0 ... x MPI address of nodes
{
Terminating resistor switch on
S7-400** S7-400 S7-400 S7-400
S7-400 S7-400
0
11
7 8 9 10
1 2 3 4 5 6
OP OP
PG
OP**
{
{
S7-300
Programming device
Figure 5-6 Example of an MPI network