Siemens S7-400 - Example with CPU

Networking
5-13
S7-400 and M7-400 Programmable Controllers Hardware and Installation
A5E00069481-04
Example Using a CPU 414-2
The figure below shows an example of a configuration with CPU 414-2 DP which is
integrated in an MPI network and simultaneously used as DP master in a
PROFIBUS-DP network.
In both networks, the node numbers can be assigned separately without conflicts
resulting.
OP
S7-400
S7-400 with
CPU 414-2 as
DP master
ET 200M
ET 200B
RS 485
repeater
PG*
S7-400
S7-400
OP
ET 200M
ET 200B



S7-200



S7-300
OP
S7-300
* Only connected via spur line for startup/maintenance
 Terminating resistor switched on
MPI network
PROFIBUS-DP
network
Figure 5-8 Example with CPU 414-2