Siemens SIMATIC ET 200SP Equipment Manual page 38

Applications of the F-I/O module
5.2 Application 1: Safety mode SIL3/Cat.3/PLd
To achieve SIL3/Cat.3/PLd using this wiring, you must use a qualified sensor.
To achieve SIL3/Cat.3/PLd with this wiring, you have to route the cables cross-circuit proof
and apply the positive opening operation principle for the sensor.
Parameter assignment
Assign the following parameters for the corresponding channel:
Table 5- 2
Parameter
Sensor evaluation
Sensor supply
Short-circuit test
*) Otherwise a diagnostic message will be generated when short-circuit test is activated.
40
WARNING
WARNING
Parameter assignment
Channel with internal sensor
supply
1oo1 evaluation
Sensor supply n
•
•
Disable
Enable
Digital input module F-DI 8x24VDC HF (6ES7136-6BA01-0CA0)
Channel with external sensor
supply
External sensor supply*
Disable
Equipment Manual, 10/2021, A5E50578307-AA