The correct encoding of DPT Colour_RGBW (251.600) is U8U8U8U8r8r4B4.
However, there are implementations on the market with encoding r12B4U8U8U8U8. The following transitional periods have to be taken into account for DPT Colour_RGBW.
| Registration case | Correct 251.600 | Erroneous 251.600 | Notes |
|
New or reassessment implementations as of 11/2021 |
Mandatory (default DPT) |
Allowed. Via parameter settings in ETS, it may be possible to also select this DPT | Tolerated for 5 years, i.e. from 11/2021 until 12/2026 |
|
New or reassessment implementations as of 01/2027 |
Mandatory | Not allowed anymore | Tolerated for 5 years, i.e. from 11/2021 until 12/2026 |