Led Display; Blink Code - WAGO LONWORKS 750-319 Manual

54 • Fieldbus coupler/controller
Fieldbus coupler 750-319

3.1.7 LED display

The coupler possesses several LEDs for on site display of the coupler operat-
ing status or the complete node.
LonWorks
Fig. 3-6: Display elements 750-319
A differentiation between two LED groups is made.
The first group = fieldbus contains the solid color LEDs having the designa-
tion SERVICE (green), STATUS (red) und ICOM (green) indicating the oper-
ating status of the communication via LON.
The second group = internal bus consists of the three-color I/O LED
(red/green/orange). This LED is used to display the status of the internal bus
and software exception handling, i. e. the status of the fieldbus node.
LEDs located on the right-hand side in the coupler power supply section show
the status of the supply voltage.

3.1.7.1 Blink code

Detailed fault messages are displayed with the aid of a blink code. A fault is
cyclically displayed with up to 3 blink sequences.
• The first blink sequence (approx. 10 Hz) starts the fault display.
• The second blink sequence (approx. 1 Hz) following a pause. The number
• The third blink sequence (approx. 1 Hz) follows after a further pause. The
01 02
A
C
C
A
B
SERVICE
D
24V 0V
STATUS
ICOM
I/O
+ +
of blink pulses indicates the fault code.
number of blink pulses indicates the fault argument.
g031902x
®
L W
ON ORKS