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Fieldbus Coupler
Fieldbus Coupler 750-341
WAGO-I/O-SYSTEM
750
ETHERNET TCP/IP
3.1.9.1 Fieldbus status
The health of the ETHERNET Fieldbus is signalled through the top LED
group (‘LINK‘, ‘MS‘, ‘NS‘ and ‘TxD/RxD‘). The two-colored LEDs ‘MS’
(module status) and ‘NS’ (network status) are solely used by the Ethernet/IP
protocol. These two LEDs conform to the Ethernet/IP specifications.
LED
Meaning
Trouble shooting
LINK
green
Link to a physical network exists
OFF
No link to a physical network
Check the fieldbus connection.
MS
red / green
flashing
Self test
red
The system indicates a not remediable error
Restart the fieldbus coupler by turning the power
supply off and on again. If the error still exists,
please contact the I/O Support.
green
flashing
The system is not yet configures
green Normal
operation
OFF
No system supply voltage
Check the supply voltage (24V and 0V)
NS
red / green
flashing
Self test
red
The system indicates a double IP-address in the
network
Use an IP address that is not used yet.
red flashing
At least one connection announced a Timeout,
where the coupler functions as target.
Restart the fieldbus coupler by turning the power
supply off and on again and develop a new
connection.
green
flashing
No connection
green
At least one connection is developed (also
connection to the Message rout applies)
OFF
Dem System ist keine IP-Adresse zugeordnet
oder es liegt keine Betriebsspannung an
Assign to the system an IP address by BootP,
DHCP or the Ethernet Settings tool.
TxD/RxD
green
Data exchange via ETHERNET taking place
OFF
No data exchange via ETHERNET
