Rockwell Automation 1769-SDN Compact I/O DeviceNet Scanner Module User Manual - Manual (Page 137)

Publication 1769-UM009E-EN-P - August 2009 137
CompactLogix Backup on the DeviceNet Network Appendix B
This figure shows rungs 3 and 4 and the message setup used on it. The
message in rung 3 uses the INT data type.
This completes the required portion of ladder logic to enable the
CompactLogix backup on the DeviceNet network. The following sections
describe how to use additional ladder logic to read backup state and status.
However, these sections are not required to complete the backup solution.
Rung 3 Message Configuration and Communication tabs.