Use Case 3: Safety Mode Sil3/Category 4 - Siemens SIMATIC Operating Instructions Manual

8.3.8

Use Case 3: Safety Mode SIL3/Category 4

Assigning Inputs to Each Other
The F-Switch PROFIsafe has 2 fail-safe inputs (SIL3). The following assignments apply in
this case:
Table 8-26
Input channels DI 0 with DI 2
Input channels DI 1 with DI 3
Sensor Supply
The F-Switch PROFIsafe electronic module provides sensor supplies VS1 and VS2 for
inputs 0 to 3.
The sensor must be supplied internally.
Table 8-27
Input channels DI 0 with DI 1 with sensor supply Vs1
Input channels DI 2 with DI 3 with sensor supply Vs2
ET 200pro Distributed I/O System - Fail-Safe Modules
Operating Instructions, 05/2007, A5E00394073-02
Use Case 3: Assignment of Input Channels to Each Other
Use Case 2: Assignment of Sensor Supply to Inputs
8.3 F -Switch PROFIsafe Digital Electronic Module
F-Switch PROFIsafe
F-Switch PROFIsafe
Fail-Safe Electronic Modules
125