Rockwell Automation 1756-CNB ControlLogix ControlNet Bridge Module Installation Instructions - Manual (Page 27)

27
Publication 1756-IN571B-EN-P - April 2001
The following table summarizes the meanings of these states:
Cause Action
Off No power None or power up.
Steady red Faulted unit Cycle power or reset unit
If fault persists, contact A-B
representative or distributor.
Alternating
red/green Self-test None
Alternating red/off Incorrect node configuration Check network address and other
ControlNet configuration
parameters.
Cause Action
Off Channel disabled Program network for redundant
media, if required.
Steady green Normal operation None.
Flashing green/off Temporary errors None; unit will self-correct.
Node is not configured to go on
line Make sure the configuration
manager node is present and
working and selected address is
not greater than selected UMAX
.
(1)
(1) The configuration manager node is the node responsible for distributing ControlNet configuration data
to all nodes on the network.
Flashing red/off Media fault Check media for broken cables,
loose connectors, missing
terminators, etc.
No other nodes present on
network Add other nodes to the network.
Flashing red/green Incorrect network configuration Cycle power or reset unit.
If fault persists, contact A-B
representative or distributor.
and
A B
or
A B