Application 3.2: Safety Mode Sil3/Cat.4/Ple - Siemens SIMATIC ET 200SP Equipment Manual

Applications of the F-I/O module
5.4 Application 3: Safety mode SIL3/Cat.4/PLe
5.4.2

Application 3.2: Safety mode SIL3/Cat.4/PLe

Wiring diagram – connecting a non-equivalent sensor
Per process signal, a non-equivalent sensor is connected to two inputs of the F-module (1oo2
evaluation).
You can supply the sensor via an internal or external sensor supply.
Figure 5-7
To achieve SIL3/Cat.4/PLe using this wiring, you must use a qualified sensor.
50
One non-equivalent sensor connected, internal sensor supply and one non-equivalent
sensor connected, external sensor supply
WARNING
Digital input module F-DI 8x24VDC HF (6ES7136-6BA01-0CA0)
Equipment Manual, 10/2021, A5E50578307-AA