This control can split an RGB channel into its red, green and blue color components and write them to individual channels whenever the RGB value changes (splitter function). The reverse path from individual color components to RGB is also possible.
The channels of the individual components can either be of the percentage type (0-100) or simply of the number type (0-255). Not all inputs/outputs need to be assigned. Unassigned inputs are assumed to be 0.
Special features #
This control cannot be visualized. A normal light control or value display, for example, must be used for visualization.
Inputs/outputs #
The RGB input is the splitter input that updates the red, green, blue and white outputs. The red, green, blue and white inputs implement the join function and are combined on the RGB output. The separation between split/join corresponds to the KNX philosophy of command/status addresses. However, it is also possible to use the same channels for both split and join. The control recognizes when an input value has been output by the control itself and does not interpret this as an update.
In most application scenarios, the components inputs/outputs will be KNX channels and a virtual channel must be created for each of the RGB inputs/outputs. A light control can then send commands and receive statuses via the RGB channels, for example.
| Designation | Function |
|---|---|
| RGB input | Input channel for which the outputs for red, green and blue are output when it is updated. |
| Red output | Channel into which the red component of the RGB input is output. |
| Green output | Channel into which the green component of the RGB input is output. |
| Blue output | Channel into which the blue component of the RGB input is output. |
| White output | Channel into which the white component of the RGB input is output. If the RGB value does not have a white component, a 0 is output here. |
| RGB output | Channel which is updated with the (W)RGB value composed of the red, green, blue and possibly white component inputs. Each value update at one of the inputs results in an update of this output. |
| Red input | Channel from which the red component of the RGB output is received. |
| Green entrance | Channel from which the green component of the RGB output is received. |
| Blue input | Channel from which the blue component of the RGB output is received. |
| White entrance | Channel from which the white component of the RGB output is received. If this input is used, a WRGB output value is created (the white tone is then in bits 24-31 of the RGB value, these are otherwise 0). |
The white output should not be used if the purpose is to connect to a light control, as this does not provide a white value when the color is set (the white tone would then be set to 0). The white input is then also not required.
