Siemens SIMATIC IM 151/CPU

ET 200S in the PROFIBUS Network
3-2
ET 200S Interface Module IM 151/CPU
A5E00058783-01
3.1 ET 200S in the PROFIBUS Network
Structure of a PROFIBUS Network
The figure below illustrates the basic structure of a PROFIBUS network with one
DP master and several DP slaves.
0 ... 7 PROFIBUS addresses of the nodes
S7-300
(DP master)
ET 200S
7
0
3
4
5
1
ET 200S
ET 200M
* The ET 200S can be configured and programmed from this programming device
2
PG*
OP 25**
6
** Operating and monitoring functions can be executed on the ET 200S
ET 200X
ET 200X
Figure 3-1 Example of a PROFIBUS Network
Hardware Prerequisites in the Programming Device/OP for Accessing the
ET 200S
Before you can access an IM 151/CPU from a programming device/operator panel,
the programming device/operator panel must fulfill the following requirements:
 it must have an integrated PROFIBUS-DP interface or DP card; or
 it must have an integrated MPI interface or MPI card.