# IO Group menu The **I/O groups** section provides monitoring and manual control of digital input/output signals configured in the Sunrise project. Open it from the smartHMI navigation bar. ## Available groups Click **I/O groups** in the navigation bar to open the list of available groups. This project defines the following groups: ![I/O group list](../../assets/kuka/io-group/main.jpg) | Group | Description | |---|---| | FRI | FRI (Fast Robot Interface) signal group | | IO_group | Custom digital input/output group | ## Viewing signals Selecting a group opens a page containing all of its signals. ![Controlling output signals](../../assets/kuka/io-group/output.jpg) ### Signal table structure | Column | Description | |---|---| | Input / Output | Signal direction icon | | Name | Signal name, such as `In_1` or `Out_16` | | Type | Signal type; digital Boolean for this group | | Value | Current signal state (`0` / `1`) | ## Controlling output signals For signals whose direction is **Output**, the lower panel provides buttons that force a value: | Button | Action | |---|---| | True | Set the output signal to `1` (active) | | False | Set the output signal to `0` (inactive) | !!! note **Input** signals are read-only.