Rockwell Automation 1756-CN2R ControlLogix ControlNet Interface Module Series A Installation Instructions - Manual (Page 22)

22 ControlLogix ControlNet Bridge Module
Publication 1756-IN602A-EN-P - November 2005
Green OK Normal operation. There is at least one connection to
or through the module. No action
required.
INIT Module is initializing. No action required.
BW
>MAX Module is receiving too much
network traffic and connections
are timing out. The network
bandwidth has been exceeded. No action required (temporary
condition).
If this happens frequently, add
another bridge module and split
the traffic between them.
SW
ERR
Node address switch changed
after you cycled power. No action required, but we
recommend that you either return
switches to their original settings
or replace the module, since this
could indicate a latent hardware
problem.
Flashing
green OK Normal operation. No connections to or through the
module. No action required.
CNFG
ERR ControlNet configuration error. Recheck configuration.
NET
ERR
Network cabling error or no
other active nodes on network. Recheck your network cabling and
make sure another node on the
network is active (online).
(1)
If switches are set to 00, the display scrolls FAULT: ADDRESS SWITCHES = 00, ILLEGAL
Diagnostics
LED Display
Cause Recommended Action
OK