Fail-Safe Electronic Modules
8.3 F -Switch PROFIsafe Digital Electronic Module
ET 200pro Distributed I/O System - Fail-Safe Modules
116
Operating Instructions, 05/2007, A5E00394073-02
8.3.6
Use Case 1: Safety Mode of F-Switch PROFIsafe
Use Case 1
Note
Use case 1 is not intended for the F-Switch PROFIsafe.
8.3.7
Use Case 2: Safety Mode SIL3/Category 3
Conditions for Achieving SIL/Category
Note
For the conditions for achieving the SIL/Category and the requirements for sensors, see
"Wiring of Inputs of the F-Switch PROFIsafe Electronic Module".
Assigning Inputs to Each Other
The F-Switch PROFIsafe electronic module has 2 fail-safe inputs (SIL3). The following
assignment applies:
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 sensors can be powered internally or externally.
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
Содержание SIMATIC
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