Spectrum Controls 1769sc-IF8u - Manual (Page 114)

104 Compact IO ™ Universal Input Module
This screen allows you to manually enter expansion modules into
expansion slots, or to automatically read the configuration of the controller.
To read the existing controller configuration, click on the Read IO Config
button.
A communications dialog appears, identifying the current communications
configuration so that you can verify the target controller. If the
communication settings are correct, click on Read IO Config.
The actual I/O configuration is displayed. In this example, a second tier of