FLX S support 512 DMX channels as standard or can be upgraded to
control up to 1024 DMX channels.
16 bit channels
Each DMX parameter (512 per universe) can be a value between 0 and 255 (known as “8-bit”). This is sufficient for the
majority of parameters (for example, a gobo wheel may only have 7 or 8 different gobos to select from, so 256
possible values is plenty) however in more advanced control equipment, 256 values is not enough. In these situations,
two channels are linked together to create a “16-bit” parameter.
These channels are paired together internally and processed as a single control parameter. When output, the second
channel (sometimes called the “Fine Channel” or the “LSB” – Least Significant Byte) is faded between 0 and 255, then
returned to 0 as the first channel (sometimes called the “Course Channel” or the “MSB” - Most Significant Byte) is
increased by 1, then the pattern continues. This process gives 65536 possible values for a parameter instead of the
256 possible using 8-bit control.
For more information on DMX & RDM, take a look at this session.
Some devices such as pyrotechnics have the option to be remotely controlled from a lighting console using DMX.
You should however be aware of points 1.4 and 1.5 of E1.11 - 2008 (R2013) DMX512-A.
These are set out below...
1.4 Classes of data appropriate for transmission over links designed to this Standard
DMX512 is designed to carry repetitive control data from a single controller to one or more receivers. This protocol
is intended to be used to control dimmers, other lighting devices and related non-hazardous effects equipment.
1.5 Classes of data not appropriate for transmission over links designed to this Standard
Since this Standard does not mandate error checking, DMX512 is not an appropriate control protocol for
hazardous applications.
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