Siemens SIMATIC S7-1500 System Manual page 155

Station option 2 with m odified order of modules
The order of the modules in slot 3 and 4 is interchanged.
Figure 9-7
Automation system
System Manual, 09/2016, A5E03461182-AD
Example: Hardware configuration of station option 2 with the associated control data
record in STEP 7
Flexible automation concepts
9.2 Configuration control (option handling)
155