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Standards and Practices ISP-DMX
Up to 512 "channels" can be transmitted. Each of these channels were originally intended to control lamp dimmer levels. You can think of it as 512 sliders on a lighting console, connected to 512 light bulbs. The slider position is conveyed as a number between 0 and 255. To enable laserists to use standard DMX equipment such as lighting consoles and DMX-to-analog converters, this same "single channel controls a single function" philosophy applies. Examples of things that fit the "single channel controls a single function" philosophy are:
The DMX-512 specification (also called the USITT DMX512/1990 standard) is available from the following address:
The following channel assignments apply to the ILDA Standard Projector:
The DMX-512 connector is a 5-pin XLR with the following pinout:
This ILDA standard is available for download as a PDF document - ILDA-DMX.pdf [17 KB] NOTE: This is NOT an official ILDA document - contact ILDA for further information
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