PROFINET IO 750-340
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97
LED Indication
WAGO-I/O-SYSTEM 750
PROFINET IO
LED
Color Significance
LINK
green The LINK LED shows information on the connection to the PROFINET
IO network and is used to identify the station by means of the MAC
address (2Hz blink frequency when I/O supervisor requests the
participant blink test).
BF
red
The BF LED shows information on the condition of the data exchange
between the buscoupler and the I/O controller.
DIA
red
The DIA LED shows parameter setting faults and external diagnostics.
TxD/RxD red
The buscoupler sends and receives PROFINET IO telegrams.
LINK BF
DIA TxD/
RxD
Significance
Remedy
Off
Off
Off
Off
The buscoupler is not
provided with its required
operating voltage or a
hardware fault is present.
Check the voltage supply to
the bus coupler. Replace the
buscoupler if necessary
Off
On
*
Off
The operating voltage for the
buscoupler is present. The
physical connection to the
PROFINET IO is not
established.
Make sure that the RJ45
socket is connected to the
switch using a CAT 5
Ethernet cable.
On
blinks *
Off
A physical connection is not
established between the
buscoupler and I/O
controller.
Establish a connection
between the buscoupler and
I/O controller via the
network.
On
blinks *
pulses The physical network
connection to the I/O
controller is established.
However, data exchange
could not be carried out.
Check the device names that
have been allocated to the
device. Check the
configuration of I/O device.
On
Off
*
On
The buscoupler is performing
a productive data exchange
with the I/O controller.
Configuration and parameter
setting has been taken over
by the buscoupler.
*
*
On
*
The buscoupler reports a
diagnostics information
which is still present.
The data exchange works
trouble free. A diagnostic
information such as cable
break on an analog input
module is active.
* not relevant
