Rockwell Automation 1769-SM2 Compact I/O DSI/Modbus Communication Module - Manual (Page 45)

Configuring the Module 3-7
Figure 3.4 Chan. 1 Tab Data Screen with Idle Action - Send Flt Cfg Enabled
4. For each additional channel being used, select its respective tab, set
the desired I/O configuration, and enable the appropriate idle action.
Figure 3.5 Generic Extra Data Config Tab Screen
TIP: Alternatively, data can be entered on the Generic Extra Data
Config tab (shown in
Figure 3.5 for identification purposes only).
However, with the easy-to-use Chan.1, Chan. 2, and Chan. 3 tabs, there
is no need to enter data on the Generic Extra Data Config tab. But as a
useful reference, this tab does show how the controller stores the data in
the configuration words.