Display Elements - WAGO 750-370 Manual

3.1.2.4

Display Elements

The operating status of the fieldbus coupler or of the fieldbus node is indicated
via light diodes (LEDs).
PROFINET IO
Fig. 3.1.2-4:
Display elements
WAGO-I/O-SYSTEM 750
PROFINET IO
LED
LNK
ACT 1
LNK
ACT 2
LINK
A
ACT1
A
C
LINK
BF
B
B
ACT2
D
BF
DIA
DIA
I/O
I/O
g037002x
A
B
PROFINET IO 750-370
Color Significance
green The "LNK/ACT" LEDs indicates that a
physical connection to the Ethernet port
1 or 2 are etablished. They flashes with
a frequency of 2 Hz for a period of
3 seconds when the fieldbus coupler is
green
requested to the participant flash test by
the DCP protocol (Discovery and basic
Configuration Protocol).
red The "BF" LED provides information on
the current status of the PROFINET IO
data exchange.
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.
red/green/ The "I/O" LED indicates both the
orange internal bus communication and
occurring errors.
green Status of the operating voltage – system
green Status of the operating voltage – power
contacts
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