Example Of A Mpi Network - Siemens SIMATIC S7-400 Configuration And Use Manual

Interfaces, Networks and Data Communication for the S7-400
Simple Access to Multiple Devices
Figure 5-1 shows an example of a "multi-point" application. Several operator
panels (OPs) are connected to the S7-400 automation systems via the MPI
interface. You can also connect a programming device without having to remove
the operator panel.
S7-400**
OP**
2
S7-400
11
0
PG*
* only connected by a spur line for commissioning/maintenance work (with default MPI address)
** retro-connected to the MPI network (with default MPI address)
0 ... x MPI addresses of the stations
Terminal resistor on
Figure 5-1

Example of a MPI network

5-4
S7-400
1 3
S7-300
OP
10
S7-400
PG
4 5
OP
9 8
Automation System S7-400 Configuration and Use
S7-400
6
S7-400
7
A5E00442711-02