Siemens SIMATIC ET 200S Operating Instructions Manual page 124

Functions
7.1 Direct data exchange on PROFIBUS DP
Example: Direct data exchange with IM151-1
The figure below is an example of the direct data exchange / "relationships" that can be
configured with a sender ET 200S and the nodes that can "listen" as possible recipients.
1
9
8
① CPU 31x-2
② DP master system 1
③ CPU 31x-2 as DP master 1
④ DP master system 2
⑤ CPU 31x-2 as DP master 2
Note
The interface module IM151-1 HIGH FEATURE supports as of 6ES7151-1BA01-0AB0 the
safety related I-Slave-Slave-Communication via PROFIBUS DP for the fail-safe module. You
can find the description of this function in the
Programming
124
2
3
8
manual.
4
5
8
7
⑥ DP slave
⑦ CPU 31x-2 as DP slave
⑧ ET 200S
⑨ PROFIBUS DP
S7 Distributed Safety Configuration and
Operating Instructions, 08/2008, A5E00515771-06
6
ET 200S