Data Cabling

To link fixtures together you must obtain data cables. You can purchase CHAUVET® certified DMX cables directly from a dealer/distributor or construct your own cable. If you choose to create your own cable please use data-grade cables that can carry a high quality signal and are less prone to electromagnetic interference.

DMX Data Cable

Use a Belden© 9841 or equivalent cable which meets the specifications for EIA RS-485 applications. Standard microphone cables cannot transmit DMX data reliably over long distances. The cable must have the following characteristics:

Type:

shielded, 2-conductor twisted pair

Maximum capacitance between conductors:

 

30 pF/ft

Maximum capacitance between conductor and shield:

55 pF/ft

Maximum resistance:

 

20 ohms/1000 ft

Nominal impedance:

 

100 ~ 140 ohms

Cable Connectors

Cabling must have a male XLR connector on one end and a female XLR connector on the other end.

DMX connector configuration

COMMON

 

1

DMX +

INPUT

3

 

 

2

DMX -

 

 

1 3

2

1

3 OUTPUT

2

120 ohm ¼ W resistor between pin 2 (DMX -) and pin 3 (DMX +) on the output of the last fixture

To avoid signal transmission problems and interference, it is always advisable to connect a DMX signal terminator.

Do not allow contact between the common and the fixture’s chassis ground. Grounding the common can cause a ground loop, and your fixture may perform erratically. Test cables with an ohm meter to verify correct polarity and to make sure the pins are not grounded or shorted to the shield or each other.

Fixture Linking

You will need a serial data link to run light shows of one or more fixtures using a DMX controller or to run synchronized shows on two or more fixtures set to a master/slave operating mode. The combined number of channels required by all the fixtures on a serial data link determines the number of fixtures the data link can support.

Fixtures on a serial data link must be daisy chained in one single line. To comply with the EIA- 485 standard, no more than 32 fixtures should be connected on one data link. Connecting more than 32 fixtures on one serial data link without the use of a DMX optically-isolated splitter may result in deterioration of the digital DMX signal.

Maximum recommended serial data link distance: 500 m (1640 ft)

Maximum recommended number of fixtures on a serial data link: 32

5. Appendix

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Chauvet 86B user manual Data Cabling, Fixture Linking
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86B specifications

The Chauvet 86B is a striking LED fixture that has gained recognition for its versatility and robust performance in various lighting applications. This powerful fixture is particularly favored in the world of event lighting, theatrical productions, and architectural illumination due to its exceptional features and innovative technologies.

One of the standout characteristics of the Chauvet 86B is its state-of-the-art RGBW color mixing system. This allows for a vibrant and expansive palette of colors, ensuring that lighting designers can achieve an endless variety of hues and shades. The fixture is equipped with multiple DMX control channels, offering users precise control over lighting effects and color transitions, allowing for intricate programming suitable for complex performances.

The Chauvet 86B also boasts powerful output through its high-quality LEDs. This results in bright, impactful washes that can easily fill a space with color and light. The fixture is designed with an advanced optical system, enabling smooth, even distribution of light, which is essential for creating the desired ambiance in any setup.

In terms of build quality, the Chauvet 86B is engineered for durability. Its compact and rugged design ensures that it can withstand the rigors of touring and on-location use, making it a reliable choice for professionals. Additionally, the fixture features an integrated safety bracket and multiple mounting options, offering flexibility in how it is positioned and used in various environments.

Another notable feature of the Chauvet 86B is its user-friendly interface. The onboard control panel simplifies the operation, allowing users to easily navigate settings and adjustments without needing advanced technical skills. This accessibility is further enhanced by its ability to store multiple user-defined programs, ensuring that operators can quickly recall their favorite settings and execute stunning light shows with minimal effort.

One can also appreciate the fixture's energy efficiency. The LED technology incorporated in the Chauvet 86B not only reduces power consumption but also minimizes heat output, making it a safer choice for prolonged use in enclosed spaces.

Overall, the Chauvet 86B stands out as a versatile and powerful tool for lighting professionals. With its advanced color mixing, robust build quality, and user-friendly design, it is an excellent addition to any lighting rig for events, performances, or installations. Whether enhancing the mood at a wedding, setting the scene for a theatrical production, or illuminating architectural structures, the Chauvet 86B delivers impressive results that are sure to captivate audiences.
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