Diagnostic Leds; Fig. 31 Diagnostic Leds - Beckhoff EP1957-0022 Operating Instructions Manual

Operation
5.5.3

Diagnostic LEDs

Fig. 31: Diagnostic LEDs
LED displays
LED lit
DIA1 Environment variables,
(green operating voltage and
) internal tests are in the
valid range
• If DIA2 flashes, a
logic error code
applies
DIA2 Together with DIA3 and
(red) 4:
Global Shutdown
occurred. (see diag
history of the TwinSAFE
components)
DIA3 Global Fault or Global
(red) Shutdown on µC1
DIA4 Global Fault or Global
(red) Shutdown on µC2
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 Description
Code
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
48
flashes
-
Logic or environment error
code according to DIA1
1)
has and tables below is output
-
1)
-
1)
Version: 2.0.0
flickering off
Environment variables,
operating voltage and
internal tests are outside
the valid range
• If DIA2 flashes, an
environment error code
applies
Fault in a safe Together with DIA3 and 4:
input or output Global Fault
module occurred. (see diag history
of the TwinSAFE
components)
No Global Fault or Global
Shutdown on µC1
No Global Fault or Global
Shutdown on µC2
EP1957-0022 and EP1957-2222
1)
has
1)
1)