Operation
EL2911
44
Version: 1.0.0
4.5
Diagnosis
4.5.1
Status LEDs
Fig. 31: EL2911 status and diagnostics LEDs
LED
Color
Description
Input 1
green
Status display for the respective input and output
LED lights up: Input/output is set
LED not lit: Input/output is not set
Input 2
Input 3
Input 4
Output 1
4.5.2
Diagnostic LEDs
Diagnostic LEDs
LED
lit
flashes
off
Diag 1
(green)
Environment variables,
operating voltage and internal
tests are in the valid range
• If Diag 2 flashes, a logic
error code applies
-
Environment variables,
operating voltage and internal
tests are outside the valid
range
• If Diag 2 flashes, an
environment error code
applies
Diag 2
(red)
Together with Diag 3 and 4:
Global Shutdown
1)
has
occurred. (see diag history of
the TwinSAFE components)
Logic or environment error
code according to Diag1 and
tables below is output
Together with Diag 3 and 4:
Global Fault
1)
has occurred.
(see diag history of the
TwinSAFE components)
Diag 3
(red)
Global fault or global shutdown
on µC1
1)
-
No global fault or global
shutdown on µC1
1)
Diag 4
(red)
Global fault or global shutdown
on µC2
1)
-
No global fault or global
shutdown on µC2
1)
Diag Out
(red)
Module error in the output
module
-
No error in the output module
1. A global fault permanently disables the TwinSAFE component, so that it has to be replaced. A global
shutdown temporarily disables the TwinSAFE component. The error can be reset by switching off and
back on again.
Summary of Contents for EL2911
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Page 56: ...Appendix EL2911 56 Version 1 0 0 5 2 Certificates...
