Technical data

Fieldbus coupler/controller • 41
Fieldbus coupler 750-310
WAGO-I/O-SYSTEM 750
CC-Link
3.1.2.4 Display Elements
The operating condition of the fieldbus coupler or node is signalled via light
diodes (LEDs).
· Four LEDs (L RUN, L ERR, SD and RD) indicate the CC-Link status.
· One dual LED (I/O) indicates the node status.
· Two LEDs (A and C) indicate the status oft the voltage supply.
Fig. 3-4:Display elements g013901x
LED Color Status Meaning
L RUN green ON Data link is being executed.
L ERR red ON
Flickering
Communication error (host).
Switch type setting was changed while power was ON.
SD green ON Data is being transmitted.
RD green ON Data is being received.
green ON
Blinking
Node operation
Waiting for initial data
IO
red Blinking Start up or faults occurring
A green ON Voltage supply System ok.
C green ON Voltage supply power jumper contacts ok.