Siemens Simatic ET 200S Operating Instructions Manual page 132

Functions
7.1 Direct data exchange on PROFIBUS DP
Example: Direct data exchange with IM151-1 HIGH FEATURE
The figure below gives an example of the direct data exchange relationships you can
configure with an ET 200S as the sender and the nodes that can "listen in" as possible
receivers.
1
9
8
(1)
(2)
(3)
(4)
(5)
Note
The IM 151-1 High Feature supports the security-oriented I-slave-slave-communication
via PROFIBUS DP for the fail-safe modules 6ES7151-1BA01-0AB0 and higher. You can find
the description of this function in the
manual.
7-2
2
3
8
CPU 31x-2
DP master system 1
CPU 31x-2 as DP master 1
DP master system 2
CPU 31x-2 as DP master 2
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 Programming
Operating Instructions, 12/2005, A5E00515771-03
6
ET 200S