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PROFINET IO 750-340
Hardware
WAGO-I/O-SYSTEM
750
PROFINET IO
3.1.2.4 Display
Elements
The operating status of the fieldbus coupler or of the fieldbus node is indicated
via light diodes (LEDs).
LED
Color
Significance
LINK green
The "LINK" LED indicates that a
physical connection to the Ethernet
network is established. It flashes with a
frequency of 2 Hz for a period of 3
seconds when the fieldbus coupler is
requested to the participant flash test by
the DCP protocol (Discovery and basic
Configuration Protocol).
BF
red
The "BF" LED provides information on
the current status of the PROFINET IO
data exchange.
DIA
red
The "DIA" LED indicates the upcoming
of diagnostics events. The message
from the diagnostics is not supported by
all I/O modules or must be explicitly
released for each channel.
TxD/
RxD
green
The "TxD/RxD" LED indicates the
communication that is taking place over
the Ethernet.
I/O
red /green /
orange
The "I/O" LED indicates both the
internal bus communication and
occurring errors.
A
green
Status of the operating voltage –
system
24V 0V
+
+
LINK
BF
DIA
TxD/RxD
I/O
PROFINET
C
D
B
A
A
B
Fig. 3.1.2-4:
Display elements
g034002x
B
green
Status of the operating voltage –
power contacts
