Diagnostics; Diagnostic Leds; Fig. 176 El6910 Diagnostic Leds - Beckhoff TwinSAFE EL6910 Operation Manual

Operation
4.18

Diagnostics

4.18.1

Diagnostic LEDs

The LEDs Diag 1 to Diag 4 display diagnostic information for the EL6910.
Fig. 176: EL6910 diagnostic LEDs
4.18.1.1 LED indicators
Diagnostic LEDs
LED lit
Diag 1 Environment variables,
(green) operating voltage and internal
tests are in the valid range
• If Diag 2 flashes, a logic
error code applies
Diag 2 Together with Diag 3 and 4:
(red)
Global shutdown
occurred. (see diag history of
the TwinSAFE components)
Diag 3 Global fault or global shutdown
1)
(red) on µC1
Diag 4 Global fault or global shutdown
1)
(red) 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.
124
flashing
-
Logic or environment error
code according to Diag1 and
1)
has
tables below is output
-
-
Version: 1.8.0
off
Environment variables,
operating voltage and internal
tests are outside the valid
range
• If Diag 2 flashes, an
environment error code
applies
Together with Diag 3 and 4:
1)
Global fault has occurred. (see
diag history of the TwinSAFE
components)
No global fault or global
1)
shutdown on µC1
No global fault or global
1)
shutdown on µC2
EL6910