Siemens SIMATIC S7-400 Hardware And Installation Manual page 123

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.
Programming
S7-400
device
S7-300
S7-400
S7-400
* Only connected via spur line for startup/maintenance
Terminating resistor switched on
S7-400 and M7-400 Programmable Controllers, Installation Manual
C79000-G7076-C424-01
www.gkbpx.com
S7-400 with
CPU 414-2 as
DP master
OP
OP
PROFIBUS-DP
MPI network network
ET 200M ET 200M
ET 200B
S7-200
ET 200B
Networking
OP
S7-300
RS 485
repeater
5-13