Rockwell Automation 1747-AENTR SLC to EtherNet/IP Adapter Installation Instructions User Manual
Page 13
 
SLC 500 EtherNet/IP Adapter 13
Publication 1747-IN521B-EN-E - January 2013
Flashing Red
“OK” alternates with 
the message:
“Factory Defaults 
Restored. Change 
Address Switches and 
Reset.”
Factory defaults 
restored
Node switches have 
been set to 888. The 
AENTR remains in 
this mode until the 
switches are 
changed.
Power off the 
adapter. Remove 
the adapter from 
the chassis. 
Change the node 
address switch to 
something other 
than 888. Replace 
the adapter in the 
chassis, and 
apply power.
Runtime
Flashing green
“OK” alternates with 
“Port x baud/dpx”
where:
x = port number 1 or 2
baud = Link rate, "10" 
or "100"
dpx = “FULL” or 
“HALF”
Module is 
communicating.
None
None
“OK” alternates with 
“Port x down”
Module is not 
communicating.
Ethernet port is not 
connected.
Connect Ethernet 
port.
“OK” alternates with 
“BOOTP 
XX:XX:XX:XX:XX:XX” 
or
“DHCP 
XX:XX:XX:XX:XX:XX”
Module is on 
network waiting for 
IP address
None
Use RSLinx 
BootP-DHCP 
server or set IP 
statically with 
thumb wheel 
switches.
Flashing red
“Duplicate IP 
XX:XX:XX:XX:XX:XX”
Module is not 
communicating
The adapter has 
detected a duplicate 
node address on the 
network.
Correct the 
duplicate node to 
address problem.
“Flash update in 
progress”
Firmware update 
mode
Adapter firmware is 
being updated via 
ControlFlash update 
utility
None
“Corrupt Certificate 
Received”
Firmware update 
failure 
Firmware update 
with invalid security 
certificate 
attempted.
Ensure that you 
have a valid 
security 
certificate to 
download 
firmware.
“Corrupt Image 
Received”
Firmware update 
failure
Firmware update 
with corrupt image 
has been attempted.
Make sure proper 
ControlFLASH 
update procedure 
is followed. Retry 
update.
Four-character Status Display
MOD LED
Display
Description
Probable Cause
Recommended 
Action