Allen-Bradley 1784-KTX Reference Manual page 42

Chapter 4
4-4
Set Scan List
The scanner continuously reads and writes discrete I/O points from/to I/O
adapter devices on the remote I/O network. The scanner must be
configured to know what adapter modules are on the network. Do this by
using the command to specify all of the link addresses that are
Set Scan List
to be included in the list. As many as 64 entries can be included in the list
and an adapter address may appear more than once if the user wants to
scan it more often than other addresses in the list. The
command replaces an existing scan list and can be performed only when
the scanner is in Program mode.
Command Syntax
This command queues a confirmation immediately. The confirmation
looks like this:
Set Scan List Confirmation
Set Scan List