Siemens Automation System S7-400 - Manual (Page 110)

Networking
5-12
Automation System S7-400 Hardware and Installation
A5E00850741-01
Example of a PROFIBUS-DP Network
0 ... x PROFIBUS DP addresses of nodes
S7-400 with
CPU 414-2-DP
as DP master ET 200M
0
6 7 8
1 2 3 4 5
PG*
OP
PG
ET 200M
S5-95U
ET 200B ET 200B
{
{
{ Terminating resistor switched on
* Only connected via spur line for startup/maintenance (with default PROFIBUS-DP address = 0)
Figure 5-7 Example of a PROFIBUS DP network