Siemens S7-400 - Example of a Configuration with the CPU in an MPI Subnet and PROFIBUS-DP Subnet

Assembling the M7-400
8-31
S7-400 and M7-400 Programmable Controllers Hardware and Installation
A5E00069481-04
OP 25
M7-400
M7-400 with
CPU as DP
master
ET 200M
S5-95U
ET 200B
RS 485
repeater
M7-400
M7-400
M7-400
OP 25
ET 200M
S5-95U
ET 200B
 Terminating resistance switched on
* Only connected via spur line for startup/maintenance



PROFIBUS-DPMPI subnet

S5-95U


ET 200B
ET 200B
subnet
Programming
device*
Figure 8-16 Example of a Configuration with the CPU in an MPI Subnet and PROFIBUS-DP Subnet