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Applications For The 4/8 F-di Dc24v Profisafe Electronic Module - Siemens PM-E F pm DC24V PROFIsafe Installation And Operating Manual

Et 200s distributed i/o system - fail-safe modules.
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7.5.5

Applications for the 4/8 F-DI DC24V PROFIsafe Electronic Module

Selecting the Application
The diagram below supports you in selecting an application which suits your fail-safe
requirements. The following chapters provide information for each application on wiring the
F-module, and which specific parameters you must program in
Figure 7-18
The achievable safety class is determined by the sensor quality and the length of the proof-
test interval in accordance with IEC 61508 standard. If the sensor quality does not meet the
requirements of the safety class, wire it to two channels for redundant operation.
ET 200S Distributed I/O System - Fail-Safe Modules
Installation and Operating Manual, 08/2008, A5E00103686-07
Use case selection - 4/8 F-DI DC24V PROFIsafe electronic module
WARNING
7.5 4/8 F-DI DC24V PROFIsafe Digital Electronic Module
Fail-Safe Modules
STEP 7
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