Siemens SIMATIC PCS 7 Function Manual page 119

3. Select the "Graphic view" tab.
Note:
You can move the displayed objects. You can select the section displayed via the thumbnail
view. Position the objects in accordance with the cable sequence in the system.
4. Using drag-and-drop, connect the I/Os of the CPU and the interface modules (green
squares) in accordance with the cable sequence in the system.
You can make additional system-specific settings on the "Table View" tab. For additional
information, refer to the online help of the dialog box.
Additional information
● Online help on
Fault-tolerant Process Control Systems (V8.1)
Function Manual, 11/2014, A5E34878832-AA
STEP 7
Advantages of fault-tolerant components
4.3 Communication connections
119