Rockwell Automation Publication 1794-IN082F-EN-P - October 2022 9
FLEX I/O EtherNet/IP Adapters Installation Instructions
Indicators
The faceplate of the FLEX I/O EtherNet/IP adapter is provided with three bicolor indicators.
Module Status Indicators
Indicator Status Description
Module status indicator
Off – no power
Adapter does not have 24V DC power.
Make sure that power is being supplied to the adapter.
Flashing green – standby
Adapter not configured.
Configure adapter.
Green – operational
Adapter operating correctly.
No action required.
Flashing red – minor fault
A recoverable fault has been detected.
This could be caused by an incorrect or inconsistent configuration.
Check configuration and reconfigure as needed.
Red – major fault
An unrecoverable fault has been detected.
Recycle power to the adapter. If this does not clear the fault, replace the adapter.
Flashing red and green – self-test
Adapter performing power-up self-test.
Wait until completed.
Network Status Indicators
Indicator Status Description
Network Status Indicator
Off – not powered, no IP address
Adapter is not powered, or does not have an IP address.
Verify that there is power and the adapter is correctly wired to the power supply.
Make sure that the adapter is configured.
Flashing green – no connections Adapter has obtained an IP address, but has no established connections.
Green – CIP™ connections Adapter has an IP address and at least one established connection.
Flashing red – connection timeout One or more of the connections in which the adapter is the target has timed out.
Red – duplicate IP address
Adapter has detected that its IP address is already in use. Configure the adapter with a unique
IP address.
Flashing red and green – self-test Adapter performing power-up self-test.
Link Status Indicator
Indicator Status Description
Link Status Indicator
Off – no link exists Verify network cabling. Correct as necessary.
Flashing green – I/O is being transmitted
or received.
Normal operation. No action required.
Steady green – a link exists
Module status
Network status
Link status
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