System overview
3.3 How are SIMATIC Safety F-systems structured with ET 200SP?
Distributed I/O system
System Manual, 09/2019, A5E03576849-AJ
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Achievable safety classes
The fail-safe modules are equipped with integrated safety functions for safety mode.
You can achieve the safety classes of the table below:
● With the appropriate parameter assignment of the safety functions in STEP 7
● With a specific combination of fail-safe and non-fail-safe I/O modules
● With a special arrangement and wiring of the sensors and actuators
Table 3- 1 Safety classes that can be achieved with ET 200SP in safety mode
Safety class in safety mode
In accordance with ISO 13849-1
Additional information
You will find the use cases and wiring for the relevant safety class in the manuals of the fail-
safe I/Os and the fail-safe motor starters.