Rockwell Automation 1785-Lx0C15 ControlNet PLC-5 Programmable Controllers User Manual - Manual (Page 93)

1785-UM022C-EN-P - February 2008
5-3
Using the ControlNet
Status Indicators
The ControlNet status indicators inform you of the operational state
of the ControlNet network.
Indicator Color Description Probable Cause Recommended Action
I/O Off ControlNet I/O not
present or not
operating Normal operation if
Channel 2 not being used No action required
Steady
Green All nodes configured
in the ControlNet map
table present and
operating properly Normal operation No action required
Flashing
Green/Off At least one node
configured for the
ControlNet network
not present or not
operating properly Cable(s) or connector(s)
broken or not connected Repair or replace cable(s) or
connector(s), and reconnect
Destination module(s) bad
or missing Repair or replace module(s)
Node(s) not on network Connect node to network
Flashing
Red/Off All nodes configured
for ControlNet not
present or not
operating properly Cable(s) or connector(s)
broken or not connected Repair or replace cable(s) or
connector(s), and reconnect
Nodes not on network Connect nodes to network
I/O
A B
Indicator Color
1 Probable Cause Recommended Action
Off Internal diagnostics failed 1. Turn power off, make sure ControlNet address
is not 00, reseat processor, then power up
2. Clear memory and reload your program
3. Replace EEPROM with new program
4. If still an error, replace the processor
No power Check power supply
Steady Red Faulted unit Cycle power or reset unit
If fault persists, contact your Rockwell Automation
representative or distributor
Flashing
Green Normal operation if processor is in
FLASH memory program mode No action required
Flashing
Red/Green The processor's ControlNet address
is above UMAX Configure the ControlNet network so that UMAX is at
least as high as the processor's ControlNet address.
Set the processor's ControlNet address at or below
UMAX.
Alternating
Red/Green Self-test No action required
Alternating
Red/Off Incorrect node configuration Check network address and other ControlNet
configuration parameters
and
A B