System overview
2.3 How are SIMATIC Safety F-systems structured with ET 200SP?
Distributed I/O system
22 System Manual, 12/2016, A5E03576849-AG
Example of a configuration with fail-safe I/O modules
Light-colored BaseUnitBU..D with infeed of supply voltage
Dark-colored BaseUnitsBU..B for conducting the potential group further
Server module (ships with the interface module)
Reference identification label
Figure 2-4 Example of a configuration of the ET 200SP with fail-safe I/O modules