
SLC 500 EtherNet/IP Adapter 7
Publication 1747-IN521B-EN-E - January 2013
Diagnostic Indicators
Health indicators are located on the front panel of the adapter module. They indicate both
normal operation and error conditions in your remote I/O system.
An alphanumeric display (net address/status) provides status code indications when an error
occurs during initialization or operation.
A complete description of the diagnostic indicators and status display and how to use them for
troubleshooting is explained on page 11.
Understand Messaging
Class 3 (Explicit Message) requests through the 1747-AENTR adapter to a specific I/O module
may not always receive a response from the I/O modules. In the case where the I/O module does
not reply to the request, the adapter responds with an error code indicating a time-out.
Establish I/O Connections
When you start a system and establish I/O connections, the outputs transition to the Idle state,
applying Idle state data before going to Run mode. This occurs even when the controller making
the connection is already in Run mode.
Left side view Right side view
Bottom view
Ethernet connectors (RJ-45)
45844
45845
45846
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