Siemens SIMATIC Operating Instructions

Fail-Safe Electronic Modules
8.3 F -Switch PROFIsafe Digital Electronic Module
ET 200pro Distributed I/O System - Fail-Safe Modules
Operating Instructions, 05/2007, A5E00394073-02
125
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 Use Case 3: Assignment of Input Channels to Each Other
F-Switch PROFIsafe
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 Use Case 2: Assignment of Sensor Supply to Inputs
F-Switch PROFIsafe
Input channels DI 0 with DI 1 with sensor supply Vs1
Input channels DI 2 with DI 3 with sensor supply Vs2

Siemens SIMATIC Specifications

General

Brand	Siemens
Model	SIMATIC
Category	Control Unit
Language	English