Siemens Simatic S7-400 - Page 122

Networking
5-12
S7-400 and M7-400 Programmable Controllers, Installation Manual
C79000-G7076-C424-01
Example of a PROFIBUS-DP Network
* Only connected via spur line for startup/maintenance (with default PROFIBUS-DP address = 0)
0 to x PROFIBUS-DP addresses of nodes
S7-400 with
CPU 414-2-DP
as DP Master
ET 200M
0
678
12345
Programming device*
OP
ET 200M
S5-95U
ET 200BET 200B
À
À Terminating resistor switched on
À
Programming
device
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