Siemens SIMATIC S7-1500 System Manual page 28

System overview
2.4 How are SIMATIC Safety F-systems configured?
Use in safety mode only
You can only use the S7-1500/ET 200MP fail-safe I/O modules in safety mode. They cannot
be used in non-fail-safe mode, i.e. standard mode.
Ac hievable safety c lasses
Fail-safe I/O modules are equipped with integrated safety functions for safety mode.
You can achieve the safety classes of the table below:
● By corresponding parameter assignment of the safety functions in STEP 7,
● With a specific combination of fail-safe and non-fail-safe I/O modules as well as
● With a special arrangement and wiring of the sensors and actuators
Table 2- 1
According to IEC 6 1 5 0 8 :2 0 1 0
Additional information
The applications and wiring for the particular safety class are described in the manuals of the
fail-safe I/O modules.
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Safety classes that can be achieved with S7-1500/ET 200MP in safety mode
Sa fe ty cl a ss i n sa fe ty m o d e
SIL3
SIL3
Acco rd i n g to ISO 1 3 8 4 9 -1 :2 0 1 5
Category 3
Category 4
System Manual, 09/2016, A5E03461182-AD
(PL) Performance Level d
(PL) Performance Level e
Automation system