Product Overview
1-3
ET 200S Distributed I/O System
EWA-4NEB 780602402-12
Structure of a PROFIBUS DP network
The figure below illustrates a typical PROFIBUS DP network structure. The DP
masters are integrated into the relevant device -- for example, the S7 400 has a
PROFIBUS DP interface and the IM 308-C is inserted in an S5-115U. The DP
slaves are the distributed I/O systems connected to the DP masters by
PROFIBUS DP.
DP-master
DP-slaves
PROFIBUS DP
S7-400
Programming device/PC
ET 200L ET 200M ET 200B S5-95U-DP
Other field devices
with IM 308-C
S5-115U
ET 200X
OP/OS
S7-200
Drive
DP/AS-I LINK
ET 200S
Figure 1-1 Typical PROFIBUS DP network structure
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