Siemens SIMATIC ET 200SP HA Equipment Manual page 40

Applications of the F-I/O module
6.1 Applications of the electronic module
Conditions for achieving SIL/Cat./PL
The table below lists the conditions which have to be met for achieving at least the
corresponding safety requirements.
Table 6-1
Note
You can operate the various inputs of an F-I/O module simultaneously in SIL3/Cat.3/PLd and in
SIL3/Cat.3 or Cat.4/PLe. You only have to interconnect the inputs and assign parameters as
described in the following sections.
Sensor requirements
You can find information on the requirements placed on sensors for F-I/O modules in safety-
related use in section "Requirements placed on sensors for fail-safe modules (Page 51)".
40
Conditions for achieving SIL/Cat./PL
Application Sensor evaluation
1
2
3.1
3.2
non-equivalent
Sensor supply
1oo1 Internal or external
1oo2 Internal, without short circuit
equivalent
1oo2 Internal, with short circuit test
equivalent
1oo2 External/internal, with short
Achievable SIL/
test
External
circuit test
Equipment Manual, 08/2021, A5E45647528-AD
Cat./PL
3 / 3 / d
3 / 3 / e
3 / 4 / e
F-DI 16x24VDC HA