Siemens SIMATIC ET 200SP System Manual page 15

Configuration example
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Figure 2-2
Distributed I/O system
System Manual, 12/2015, A5E03576849-AF
CPU/interface module
Light-colored BaseUnit BU..D with infeed of supply voltage
Dark-colored BaseUnits BU..B for extending the potential group
I/O module
Server module (included in the scope of supply of the CPU/interface module)
BusAdapter
Mounting rail
Reference identification label
Configuration example of the ET 200SP
2.1 What is the SIMATIC ET 200SP distributed I/O system?
System overview
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