User Guide
Page 38 of 62 Leviton MLC 16D Motorized Lighting Controller
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Each trait can be one of four types; continuous, indexed, union, or end union. Use
continuous types for traits, such as pan or dimmer, that use the full range of
DMX512 values. Use indexed types for traits that only use specific DMX512 values
or use a ranges of values that cause no change to the trait. Examples of indexed
types include color or gobo wheels.
The last two types, union and end union, form a pair which, used together, frame
a sequence of continuous and indexed types. This sequence allows a single trait
to take on the characteristics of both continuous and indexed types. A common
example of a union structure would be a color wheel that provides a continuous
movement range and also a "snap to color" indexed range. Once assigned and
activated, the MLC 16D compares the current value of the trait to values defined
by the traits within the union/end union structure until a match is found. If no
match is found, the actual value is displayed, placed in brackets. Turning the
wheel that controls the union trait will sequence through the values of the current
trait in the structure. Once the last value is reached and the wheel is rotated
again, control is transferred to the next trait in the structure. This passing of
control from one trait to trait continues until the end of the structure is reached.
Following is an example of an intelligent device called "Scanner." It has five traits;
pan, tilt, color, gobo and dimmer. Pan, tilt and dimmer are continuous examples.
Gobo is an indexed type example. Color is defined such that there are four values
(0,30,60,90) that position the wheel to specific colors and a range of values (100-
255) that continuously moves the wheel through all the colors. By using a union/
end union trait type combination, you can maintain all the functionality on one
wheel. An indexed type is used within the union/end union structure to define the
four color positions with descriptive labels (white, red, blue and yellow), followed
by a continuous type that defines the continuous scrolling of the wheel.
Device Name Device Scanner
Pan Trait Pan
Type Continuous
Channel 1
Size 8Bit
Invert No
XAxis Yes
YAxis No
Black No
BoValue 0
Master No
Default 128
Maximum 255
Minimum 0
Tilt Trait Tilt
Type Continuous
Channel
2
Size 8Bit
Invert No
XAxis No
YAxis Yes
Black No
BoValue 0
Master No
Default 128
Maximum 255
Minimum 0
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