User Manual

4. DMX CONNECTION
There are 512 channels in a DMX-512 connection. Channels may be assigned in any
manner. A xture capable of receiving DMX 512 will require one or a number of se-
quential channels. The user must assign a starting address on the xture that indicates
the rst channel reserved in the controller. There are many different types of DMX con-
trollable xtures and they all may vary in the total number of channels required.
Choosing a start address should be planned in advance. Channels should never overlap.
If they do, this will result in erratic operation of the xtures whose starting address is
set incorrectly. You can however, control multiple xtures of the same type using the
same starting address as long as the intended result is that of unison movement or
operation. In other words, the xtures will be slaved together and all respond exactly
the same.
4.1. Building a Serial DMX Chain
DMX xtures are designed to receive data through a serial Daisy Chain. A Daisy Chain
connection is where the DATA OUT of one xture connects to the DATA IN of the next
xture. The order in which the xtures are connected is not important and has no effect
on how a controller communicates to each xture. Use an order that provides for the
easiest and most direct cabling.
Connect Splitter to DMX console directly
DMX controller
OUT
IN
DMX
distributor
OUT 1
OUT 2
Fixture
IN
IN
Fixture
OUT
OUT
Fixture
IN
IN
Fixture
NOTE: 32 lighting xtures maximum on each output
Connect Splitter to lighting xture rst
DMX controller
OUT
IN
DMX
distributor
OUT 1
OUT 2
Fixture
IN
IN
Fixture
OUT
OUT
Fixture
IN
IN
Fixture
Fixture
IN OUT
Fixture
IN OUT
NOTE: Fixtures cannot exceed 31 units before DMX distributor and 32 units
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