User Manual
Rockwell Automation Publication ENET-IN002F-EN-P - January 2014 91
1756 EtherNet/IP Status Indicators Appendix A
Network Status (NET) Indicates if CIP connections are established. Green The module has established at least 1 CIP connection
and is operating properly. The module’s 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 module’s
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 module’s IP address.
Flashing green/flashing
red
The module is performing its power-up testing.
Table 2 - 1756-EN2TR, 1756-EN2TRXT, 1756-EN3TR EtherNet/IP 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.
N/A N/A
OK Indicates the module’s current state. 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 there is chassis power.
• Verify that the module is completely inserted into the chassis
and backplane.
• Make sure 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 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 needs to be updated. Follow
these steps:
1. Update the firmware image.
2. Cycle power to the module.
3. If the status indicators remain the same, that is, red and
scrolling Image Update Needed, replace the module.
Flashing red and green The module is performing its power-up testing.
Table 1 - 1756-ENBT, 1756-EN2F, 1756-EN2T, 1756-EN2TXT, 1756-EN2TRXT, 1756-EN2TSC,1756-EWEB Modules Status Indicators
Status Indicator Description Status State