Installation Instructions User Manual

26 ControlLogix ControlNet Interface Module
Publication
1756-IN604A-EN-P - February 2006
Green OK Normal operation None required
INIT The module is initializing.
BW
>MAX
The module is receiving too
much network traffic and
connections are timing out. The
network bandwidth has been
exceeded.
None (temporary condition).
If this happens frequently, add
another 1756-CNB or 1756-CNBR
and split the traffic between them.
CMPT
(2)
The secondary module is
compatible with its partner.
None required.
DSNP
(2)
The secondary module is
disqualified with no partner.
Check corresponding slot of
primary chassis for type and
revision of module.
PwDS
(2)
The module is primary with a
disqualified secondary partner.
Check the type and revision of the
1756-CNB module.
PwQg
(2)
The module is primary with a
qualifying secondary partner.
Redundant system status. No
action required.
PwQS
(2)
The module is primary with a
qualified secondary partner.
PwNS
(2)
The module is primary with no
secondary partner.
Check corresponding slot of
secondary chassis for correct
module.
Qfng
(2)
The secondary module is
qualifying.
Redundant system status. No
action required.
QS
(2)
The secondary module is
qualified.
SW
ERR
The node address switch
changed after power-up.
None 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.
Module Status Indicator LED and Module Status Display
LED Display
Cause Action
OK