Fail-Safe Electronic Modules
8.2 4 /8 F-DI/4 F-DO DC24V/2A PROFIsafe Digital Electronic Module
ET 200pro Distributed I/O System - Fail-Safe Modules
100 Operating Instructions, 05/2007, A5E00394073-02
8.2.7 Diagnostic Functions of the 4/8 F-DI/4 F-DO DC24V/2A PROFIsafe Electronic
Module
Behavior in Case of Supply Voltage Failure
Failure of sensor supplies Vs1 and Vs2 is indicated by the SF LED, VsF LED, and the LEDs
of the relevant channel group on the F-module. This information is also provided on the
module (diagnostic entry). All channels of the module are passivated.
Diagnostic Functions
The following table presents an overview of the diagnostic functions of the 4/8 F-DI/4 F-DO
DC24V/2A PROFIsafe electronic module. The diagnostic functions are assigned either to
one channel or to the entire module.
Table 8-18 Diagnostic Functions of the 4/8 F-DI/4 F-DO DC24V/2A PROFIsafe Electronic Module
Diagnostic Function* Fault
Number
LED Range of
Effectiveness of
Diagnostic
Assignabl
e
Short circuit 1
H
SF Channel No
Overload 4
H
SF Channel No
Overtemperature 5
H
SF Module No
Wire break 6
H
SF Channel Yes
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