WAGO-I/O-SYSTEM 750
Diagnostics 189
750-880, 750-880/025-000 ETHERNET Programmable Fieldbus Controller
Manual
Version 1.0.1
Table 59: Fieldbus diagnostics – solution in event of error
LED
Status
Meaning
Solution
LINK ACT 1, 2
green
The fieldbus node is connected to
the physical network.
-
green
flashing
The fieldbus node sends and
receives Ethernet telegrams
-
off
The fieldbus node is not
connected to the physical
network.
1. Check the fieldbus cable.
MS
green Normal
operation
-
green
flashing
The system is not yet configures
-
red
The system indicates a not
remediable error
1. Restart the device by turning the
power supply off and on again.
2. If the error still exists, please
contact the I/O support.
red/green
flashing
Self test
-
off
No system supply voltage
1. Check the supply voltage.
Pos: 88.8.4 /Serie 750 (WAGO-I/O-SYSTEM)/Diagnose/Feldbuskoppler/-controller/Feldbusstatus auswerten ('LINK ACT 1,2', 'NS', 'MS') - Tabelle 'NS' mit Ethernet/IP @ 9\mod_1282558979339_21.doc @ 64162 @ @ 1
NS
green
At least one connection
(MODBUS/TCP or Ethernet/IP)
is developed (also connection to
the Message rout applies)
-
grün
flashing
No connection (MODBUS/TCP
or Ethernet/IP).
-
red
The system indicates a double IP-
address in the network
1. Use an IP address that is not used
yet.
red
flashing
At least one connection
(MODBUS/TCP or Ethernet/IP)
announced a Timeout, where the
controller functions as target.
1. Restart the device by turning the
power supply off and on again.
2. Develop a new connection.
red/green
flashing
Self test
-
off
No IP address is assigned to the
system.
1. Assign to the system an IP address
for example by BootP or DHCP.
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