Siemens Simatic S7-400

Assembling the M7-400
8-31
S7-400 and M7-400 Programmable Controllers, Installation Manual
C79000-G7076-C424-01
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
À Terminating resistance switched on
* Only connected via spur line for startup/maintenance
À
À
À
PROFIBUS–DPMPI subnet
À
S5-95U
À
À
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
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