Operation
EP1918
39
Version: 1.1.0
4.5.3
Diagnostic LEDs
Fig. 28: EP1918 - Diagnostic LEDs
LED displays
LED
lit
flashes
flickering
off
Dia1
(green)
Environment variables,
operating voltage and
internal tests are in the valid
range
• If Dia2 flashes, a logic
error code applies
-
Environment variables,
operating voltage and
internal tests are outside
the valid range
• If Dia2 flashes, an
environment error code
applies
Dia2
(red)
Together with Dia3 and 4:
Global shutdown
1)
has
occurred. (see diag history
of the TwinSAFE
components)
Logic or
environment error
code according to
Dia1 and tables
below is output
fault in a safe input
or output module
Together with Dia3 and 4:
Global fault
1)
has occurred.
(see diag history of the
TwinSAFE components)
Dia3
(red)
Global fault or global
shutdown on µC1
1)
-
No global fault or global
shutdown on µC1
1)
Dia4
(red)
Global fault or global
shutdown on µC2
1)
-
No global fault or global
shutdown on µC2
1)
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.
Logic error codes of LED Dia2 (if LED Dia1 is lit)
Flashing Code Description
1
Function block error in one of the TwinSAFE groups
2
Communication error in one of the TwinSAFE groups
3
Error combination: Function block and communication
4
General error in one of the TwinSAFE groups
5
Error combination: General and function block
6
Error combination: General and communication
7
Error combination: General, function block and communication
Содержание EP1918
Страница 2: ......
Страница 30: ...Operation EP1918 30 Version 1 1 0 Fig 19 Creating alias devices by the user ...
Страница 53: ...Appendix EP1918 53 Version 1 1 0 5 3 Certificates ...
Страница 55: ......