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RDM General Implementation Discussion General Discussion and questions relating to implementing RDM in a product. |
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November 18th, 2010 | #1 |
Junior Member
Join Date: Nov 2010
Posts: 1
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Tuneable White: Mapping?
Hi!
I would like to implement a dimmer for white light where the color temperature of the white light is changeable within some range (e.g. from 2700K to 6500K). I think of the following slot assignment: Slot 1: Intensity 8 bit Slot 2/3: 16-bit Color Temperature or 16-bit MIREK There are two principle ways I see: i) Map to Mirek such as done within the DALI protocol: Mirek=10^6/TC. 1=15.26K 2^16-1=10^6K ii) Map the 16-bit directly to some temperature range. 0=0K 2^16-1=65535K Is there already a common way how to map tuneable white? Is there already a predefined Slot Type (Table C-1) and Slot ID Definitions (Table C-2) for such a dimmer? I also could not find the unit "Kelvin" within the Sensor Unit Defines, which I require if there is a sensor which measures the current color temperature. Thanks for your comments, Mike |
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