Diagnosis; Status Leds; Diagnostic Leds; Fig. 29 Status Leds - Beckhoff EL1918 Operation Manual

5.5

Diagnosis

5.5.1

Status LEDs

Fig. 29: Status LEDs
LED
Input 1
Input 2
Input 3
Input 4
Input 5
Input 6
Input 7
Input 8
5.5.2

Diagnostic LEDs

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
EL1918 and EL1918-2200
Color Description
green Status display for the respective input
LED lights up: Input is set
LED not lit: Input is not set
flashing
-
Logic or environment error
code according to Diag1 and
1)
has
tables below is output
-
-
Version: 2.0.0
Operation
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
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