Controlnet network status – Rockwell Automation 1788-CN2DN ControlNet-to-DeviceNet Linking Device Installation Instructions User Manual
Page 25

ControlNet-to-DeviceNet Linking Device 25
Publication
1788-IN052D-EN-P - February 2007
ControlNet Network Status
The CNet A and CNet B LED indicators display the status of the
ControlNet network and individual channels.
The ControlNet network may recognize more than one network
status a time. If more than one status is present, the CN2DN linking
device will display the highest priority status.
Use the following table to interpret the ControlNet LED indicators.
ControlNet LED Indicators, CNet A and CNet B
LED Indicator State
LED View
Priority
Level
ControlNet Network Status
Off
Both CNet A
and CNet B
1
(highest
priority)
No power.
Red, steady
Both CNet A
and CNet B
2
No ControlNet network found.
Red and green,
alternating
Both CNet A
and CNet B
3
Device self-testing.
Red, alternating
Both CNet A
and CNet B
4
Incorrect ControlNet node
configuration.
Off
One, CNet A
or CNet B
5
ControlNet channel disabled or not
supported.
Red and green, flashing
One, CNet A
or CNet B
6
Incorrect ControlNet network
configuration.
Red, flashing
One, CNet A
or CNet B
7
No data received from network.
Green, flashing
One, CNet A
or CNet B
8
Temporary channel error or
listen-only channel.
Green, steady
One, CNet A
or CNet B
9
(lowest)
Normal network operation.