Rockwell Automation 193-DNENCATR EtherNet/IP Communications Auxiliary User Manual - Manual (Page 49)

Rockwell Automation Publication 193-UM014B-EN-P December 2011 49
Chapter 6
5. Click Save, then cycle power on the EtherNet/IP Communications
Auxiliary.
An ADR download is performed immediately before an I/O connection is
allocated by the DeviceNet master.
If the download is unsuccessful, an “ADR Error” for the appropriate node
will be reported in the corresponding “Scan List Entry Status Word”. If the
electronic keys for the device at a given node address do not match the
saved electronic keys, no ADR download will take place, an I/O
connection will not be allocated, and a “Keying Mismatch” will be
reported in the corresponding “Scan List Entry Status Word”.
A warning list will appear after enabling the ADR and a change has been
made to the scan list.
AAR (Auto Address Recovery) is also supported by the EtherNet/IP
Communications Auxiliary. When the EtherNet/IP Communications Auxiliary
detects a node is missing from the scan list and a module matching the electonic