Siemens SIMATIC - Page 44

General Technical Specifications
6.2 Electromagnetic Compatibility
ET 200pro Distributed I/O System - Fail-Safe Modules
44 Operating Instructions, 05/2007, A5E00394073-02
The following figure illustrates an example configuration with ET 200pro F-modules and
standard modules.
You can also use fewer power supplies. However, you must ensure that the total current of
the modules fed from one power supply does not exceed the permissible limits.
For additional information about surge protection for standard modules, see the
ET 200pro
Distributed I/O System
Manual.
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Figure 6-1 Example Configuration with F Modules and Standard Modules of ET200pro
Note
Note for Installation in Accordance with EN928
You must disable the "Load voltage failure diagnostics" for the head-end of the ET 200pro-F.