Dmx Setup - ADJ FLAT PAR TW12 User Manual

D M X S E T U P
DMX-512: DMX is short for Digital Multiplex. This is a universal protocol used as a form of communication
between intelligent fixtures and controllers. A DMX controller sends DMX data instructions from the
controller to the fixture. DMX data is sent as serial data that travels from fixture to fixture via the DATA
"IN" and DATA "OUT" XLR terminals located on all DMX fixtures (most controllers only have a DATA
"OUT" terminal).
DMX Linking: DMX is a language allowing all makes and models of different manufactures to be linked
and operate from a single controller, as long as all fixtures and the controller are DMX compliant. To
ensure proper DMX data transmission, when using several DMX fixtures try to use the shortest cable
path possible. The order in which fixtures are connected in a DMX line does not influence the DMX
addressing. For example; a fixture assigned a DMX address of 1 may be placed anywhere in a DMX
line, at the beginning, at the end, or anywhere in the middle. When a fixture is assigned a DMX address
of 1, the DMX controller knows to send DATA assigned to address 1 to that unit, no matter where it is
located in the DMX chain.
Data Cable (DMX Cable) Requirements (For DMX Operation): The FLAT PAR
TW12 can be controlled via DMX-512 protocol. Your unit and your DMX controller
requires a 5-pin XLR connector for data input/output. We recommend Accu-Cable
DMX cables. If you are making your own cables, be sure to use standard 110-
120 Ohm shielded cable (This cable may be purchased at almost all pro lighting
stores). Your cables should be made with a male and female XLR connector on
either end of the cable. Also remember that DMX cable must be daisy chained and
cannot be split.
Notice: Be sure to follow figure and table below when making your own cables. Do not use the ground
lug on the XLR connector. Do not connect the cable's shield conductor to the ground lug or allow the
shield conductor to come in contact with the XLR's outer casing. Grounding the shield could cause a
short circuit and erratic behavior.
Special Note: Line Termination. When longer runs of cable are used, you may need to use a terminator
on the last unit to avoid erratic behavior. A terminator is a 110-120 ohm 1/4 watt resistor which is con-
nected between pins 2 and 3 of a male XLR connector (DATA + and DATA -). This unit is inserted in the
female XLR connector of the last unit in your daisy chain to terminate the line. Using a cable terminator
(ADJ part number Z-DMX/T) will decrease the possibilities of erratic behavior.
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