Control By Universal Dmx Controller; Dmx Connection - ACME XA-400 SPOT PRO User Manual

4. Control By Universal DMX Controller

4.1 DMX Connection

1. Connect the fixture together in a "daisy chain" by XLR plug cable from the output of the fixture
to the input of the next fixture. The cable cannot be branched or split to a "Y" cable.
Inadequate or damaged cables, soldered joints or corroded connectors can easily distort the
signal and shut down the system
2. The DMX output and input connectors are pass-through to maintain the DMX circuit when one
of the units' power is disconnected.
3. At last fixture, the DMX cable has to be terminated with a terminator to reduce signal errors.
Solder a 120-ohm 1/4W resistor between pin 2(DMX-) and pin 3(DMX+) into a 3-pin XLR-plug
and plug it in the DMX-output of the last fixture.
4. Each lighting fixture needs to have an address set to receive the data sent by the controller.
The address number is between 0-511 (usually 0 & 1 are equal to 1).
5. 3 pin XLR connectors are more popular than 5 pins XLR.
3 pin XLR: Pin 1: GND, Pin 2: Negative signal (-), Pin 3: Positive signal (+)
13B
DMX Out