Rockwell Automation 1756-CNB ControlLogix ControlNet Bridge Module Installation Instructions User Manual
Page 24

24
Publication 1756-IN571B-EN-P - April 2001
Red
DUPL
NODE
For a redundant system this may
be a temporary condition during
chassis switchover. Otherwise,
the module’s network address is
the same as another module’s on
the link.
1. (For redundant systems only.)
Wait 10 seconds; if the
condition persists, perform the
following steps:
2. (Optional, see page 11.)
Turn chassis power supply off.
3. Remove the module from the
chassis.
4. Set the network address
switches to a unique address
(01-99).
5. Install the module in the
chassis.
6. If off, turn chassis power
supply on.
RACK
ERR
Cannot read backplane EEPROM,
or rack/slot address incorrect
Replace the chassis.
STOP
CNB commanded to stop
functioning by the redundancy
module. This occurs when a
non-redundancy compliant CNB
is placed into a redundant
secondary chassis.
Remove non-redundancy
compliant CNB from redundant
secondary chassis and replace
with redundancy compliant CNB.
WAIT
RM
CNB waiting for the redundancy
module to complete power-up.
None required.
Flashing
Red
BOOT
Module has invalid firmware.
Update module firmware with
ControlFlash Update Utility.
ROM
UPDT
Flash update is in progress.
None required.
SNGL
KPR!
Module detected that it has
been connected to a Cnet 1.5
(single-keeper) network.
Update the CNB module’s
firmware at MAC ID 01 and
reschedule the network.
Diagnostics
LED
Display
Cause
Action
OK