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DeviceNet - Design
13.13.2 Status of bus status LED "Network"
LED Device status Explanation Troubleshooting
O No voltage / not
online
•
Device is not supplied with voltage
• Device has still not ended
DuplicateMACIDTest(testlasts
approx.2s)
• Device cannot end Duplicate MAC
ID Test.
•
Connect other devices, if the
device is the only network
subscriber,
•
replace device
• check baud rate
• check bus connection
Green Online, connection
to master exists
• Normal operating status with
established connection to the
master
Flashes
green
Online, without
connection to
master
•
Normal operating status without
established connection to the
master
Flashes
red
Connection
time-out
•
One or more I/O connections are
in Time-Out state
• New connection establishment
by master to ensure that the I/O
data is transmitted cyclically.
Red Critical fault •
Another device with the same
MAC ID address is in the circuit
•
No bus connection due to com-
munication problems
•
Check baud rate
• Please check address as pos-
sible troubleshooting
•
Ifrequired,replacedevice
english
Control Head Type 8681