Chauvet Q-Spot 360-LED User Manual download pdf (Page 28)

Appendix

Q-Spot 260-LED User Manual Rev. 01d -24- April 7, 2010

DMX Connectivity (Cont.)

DMX Cable

Connectors

Each DMX cable must have a male, 3-pin XLR connector on one end and a female, 3-

pin XLR connector on the other end.

To avoid signal transmission problems and interference, it is always advisable to

connect a DMX signal terminator, as seen below.

Test all DMX cables with an ohmmeter to verify their correct polarity and to make

sure that there are no short-circuits between any of the pins, or between any pin

and ground.

If the Common wire (shield) touched the chassis ground, a ground loop could

form, which may cause the fixture to perform erratically.

3-Pin to 5-Pin

Conversion Chart

If you use a DMX controller or fixture with a 5-pin DMX connector, you will need to use

a 5-pin to 3-pin adapter. The chart below details a proper cable conversion.

3-Pin to 5-Pin Conversion Chart

Conductor

3-Pin Female (Output)

5-Pin Male (Input)

Ground/Shield Pin 1 Pin 1

Negative (-) signal Pin 2 Pin 2

Positive (+) signal Pin 3 Pin 3

Not Used Pin 4

Not Used Pin 5

DMX Connection

Make sure that the fixtures with which you are working can operate in DMX mode, not

in a proprietary connection mode. Refer to the fixtures’ manual to learn how to enable

their respective DMX modes.

The procedure below illustrates a possible DMX connection method.

1) Connect the 3-pin, male connector of the first DMX cable to the DMX Output

connector (3-pin, female) of the DMX controller.

2) Connect the 3-pin, female connector of the first DMX cable coming from the

controller to the DMX Input connector (3-pin, male) of the first DMX fixture.

3) Connect the 3-pin, male connector of the second DMX cable to the DMX Output

connector (3-pin, female) of the first DMX fixture.

4) Connect the 3-pin, female connector of the second DMX cable coming from the first

DMX fixture to the DMX Input connector of the second DMX compatible fixture.

5) Continue linking the other DMX fixtures in the same way.

The figure below is only an example of a possible DMX serial connection.

To DMX Input

(Female)

DMX Connector Configuration

Common

DMX +

DMX -

To DMX Output

(Male)

120 ohm, ¼ W

resistor between

pin 2 (DMX -) and

pin 3 (DMX +) on

the output of the

last fixture.

1 2 ... 23 24 25 26 27 28 29 30 31 32

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Chauvet Q-Spot 360-LED User Manual Page 28

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