Rockwell Automation 1769-SDN Compact I/O DeviceNet Scanner Module User Manual - Manual (Page 107)

Publication 1769-UM009E-EN-P - August 2009 107
Use the 1769-SDN Scanner Module with MicroLogix Controllers Chapter 7
Read I/O Configuration
Next you see a communication dialog that lets you select a communication
path by using RSLinx software to connect to the MicroLogix controller.
If you have previously connected to a controller, the communication driver
that you used before will be the active driver. This dialog provides the ability to
change the driver or perform a Who Active across a network to locate the
specific MicroLogix controller.
If the driver and path are correct, click Read I/O Config.
Installed I/O
RSLogix 500 software displays all of the I/O modules that are attached to the
MicroLogix controller.
In this example, there is a 1769-SDN scanner module at slot 1, and a 16-point
digital input module in slot 2.