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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
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8.3.10 Properties of the F-Switch PROFIsafe Electronic Module
Behavior in Case of Supply Voltage Failure
Failure of sensor supplies Vs1 and Vs2 is indicated by the SF LED, the VsF LED, and the
LEDs of the relevant channel group on the F-module. This information is also provided on
the F-module (diagnostic entry). All channels of the F-module are passivated.
Diagnostic Functions
The following table shows an overview of the diagnostic functions of the F-Switch PROFIsafe
electronic module. The diagnostic functions are assigned either to one channel or to the
entire module.
Table 8-29 Properties of the F-Switch PROFIsafe Electronic Module
Diagnostic Function* Fault
Number
LED Range of
Effectiveness of
Diagnostic
Assignabl
e
Short circuit 1
H
SF Channel Yes
Overtemperature 5
H
SF Module No
Fault 9
H
SF Module No
Parameter assignment error 10
H
SF Module No
Sensor voltage or load voltage is missing 11
H
SF Module No
Communication error 13
H
SF Module No
Safety-related shutdown 19
H
SF Channel No
*: Specifically for F-modules; display in STEP 7 , see the "Channel-Specific Diagnostics, Fault Types
of Fail-Safe Modules" table