Led Display; Display Elements 750-342; Blink Code - WAGO -I/O-SYSTEM 750 User's Installation And Configuration

3.1.7

LED Display

The coupler possesses several LED's for displaying the coupler operating
status and the complete node status.
ETHERNET
Fig. 3-15: Display elements 750-342
A differentiation is made between the two groups of LEDs.
The first group = fieldbus contains the solid color LEDs having the designa-
tion ON (green), LINK (green), TxD/RxD (green) and ERROR (red) indicat-
ing the operating status of the communication via ETHERNET.
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 i. e. the status of the fieldbus node.
LEDs located on the right-hand side in the coupler feed section, show the
status of the supply voltage.
3.1.7.1

Blink code

A blink code displays detailed fault messages. A fault is cyclically displayed
using up to 3 different blink sequences.
• The first blink sequence (approx. 10 Hz) indicates the fault display.
• After a pause a second blink sequence appears (approx. 1 Hz). The number
• The third blink sequence (approx. 1 Hz) appears following a further pause.
Modular I/O System
ETHERNET TCP/IP
01 02
ON
A
C
B
LINK
D
TxD/RxD
24V 0V
ERROR
I/O
+ +
of blink impulses gives the fault code.
The number of blink pulses indicates the fault argument.
status
voltage supply
-power jumper contacts
-system
Fieldbus coupler 750-342 • 41
LED Display
G012901e