Rockwell Automation 9323-S5500D A.I. SERIES MICROLOGIX 1000 AND PLC-500 SOFTW - Manual (Page 435)

MicroLogix 1000 and PLC-500 A.I. Series Software Reference
19-4
2. The Who Active function scans the network looking for stations. The processors
available on the network appear on the screen, along with the names of the projects
currently loaded in the processors. The Who Active screen is different for DH-485
and DH+.
DH-485:
DH+:
3. To select a processor with which to communicate, use the arrow keys to highlight
the processor’s address, and press [Enter] .