Siemens SIMATIC ET 200SP System Manual page 165

Station option 2 with modified order of modules
The order of the modules at slots 2 and 3 is interchanged.
Figure 9-7
Distributed I/O system
System Manual, 12/2015, A5E03576849-AF
Example: Hardware configuration of station option 2 with the associated control data
record in STEP 7
Configuration control (option handling)
9.5 Examples of configuration control
165