Chauvet 648 user manual Pin to 5-Pin Conversion Chart DMX Connection, DMX Connectivity cont

(DMX Connectivity cont.)

3-Pin to 5-Pin Conversion Chart

DMX Connection

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.

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

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.

Page 20 of 21 Impulse™ 648 User Manual Rev. 6