Rockwell Automation Publication 1756-UM004A-EN-P - March 2019 25
ControlLogix Network Device Status Indicators Appendix A
Dual-Port Module Status Indicators
Network Status (NET) Indicates if CIP connections are established. Green The module has established at least 1 CIP connection
and is operating properly. The IP address scrolls across
the Module Status display.
Red The module is in conflict mode. It shares an IP address
with another device on the network. The current IP
address scrolls across the Module Status display. The
display scrolls: OK <IP_address_of_this_module>
Duplicate IP
<Mac_address_of_duplicate_node_detected>
For example: OK 10.88.60.196 Duplicate IP -
00:00:BC:02:34:B4
Change the IP address of the module.
Flashing green/flashing
red
The module is performing its power-up testing.
Table 3 - Single-port Module Status Indicators
Status Indicator Description Status State
Table 4 - Dual-port Module Status Indicators
Status Indicator Description Status State
Module Status Display Alphanumeric display that scrolls messages. For
example, when a module is operating normally, the
display scrolls the module’s IP address.
——
OK Indicates the current state of the module. For
example, this status indicator indicates if the module
is executing power-up testing, in the process of a
firmware update or operating normally.
Off The module is not powered.
• Verify that there is chassis power.
• Verify that the module is completely inserted into the chassis
and backplane.
• Make sure that the module has been configured.
Flashing green The module is not configured. The Module Status display scrolls:
BOOTP or DHCP<Mac_address_of_module>
For example: BOOTP 00:0b:db:14:55:35
Configure the module.
Green The module is operating correctly. The Module Status display
scrolls: OK <IP_address_of_this_module>
For example: OK 10.88.60.160
Flashing red The module detected a recoverable minor fault. Check the
module configuration. If necessary, reconfigure the module.
Red The module detected an unrecoverable major fault. Cycle power
to the module. If this power cycle does not clear the fault, replace
the module.
Both of these
conditions exist:
•Status Indicator is
Red
•Module Status
Display is scrolling:
Image Update
Needed
The module’s main firmware image must be updated. Follow
these steps:
1. Update the firmware image.
2. Cycle power to the module.
Flashing red and green The module is performing its power-up testing.
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