Blue Wolf is a product development and engineering firm that began in 2007, specializing in LED lighting, electro-mechanical design, PCB Design, Mechanical Design, Electrical Design, Firmware development and more. We offer a wide array of skills and expertise, with over 50 years of combined experience. Our Mechanical and Electrical teams are experts in product development with a specialty in LED lighting design. 

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The new Remote Dimming Unit (RDU) by Blue Wolf eases balancing issues when utilizing mixed LED and incandescent bulb-type lighting circuits. 

 

Many vehicle dimmers, aircraft dimmers, or any other type of instrumentation dimming technology normally have only one output channel.  However, that one output channel supplies both incandescent and LED lighting circuits with the same output voltage, but these two types of lighting bulbs do not produce the same amount of lumens when increased proportionally.

Generally LEDs produce a linear light output as the dimmer voltage is turned from 0% to 100%. Incandescent lights, on the other hand, do not produce light  at lower voltages. First, the filament has to heat up, and then after doing so, the filament starts producing light at a more exponential rate, with an increasing voltage. This incandescent lighting has more of an increasing curve rather than a linear output, like an LED, as the voltage or pulse modulation is increased. 

 

This new RDU allows system designers to skew the voltage outputs between four different channels (eight channels with an optional expansion pack) and produce equal levels of light output via one dimming control knob if desired. This new RDU works perfectly as an NVG dimmer for systems with both types of lighting circuits. It also has the ability to do zone control lighting and Blackout Mode lighting configurations too.

With Easy Balance™ each channel has movable lighting curve points and can be assigned to any dimmer input. This allows for an adjustable uniform light output between all channels as a “single dimmer” is rotated from 0% to 100%. In retrofit or new designs mixing incandescent and LED lights is especially an issue. One bulky solution is to add multiple dimmers to each of the lighting circuits but that now leaves several full-sized power dimmers that require constant individualized adjustments. This new RDU provides a simple, space saving, and single unit system for easy balancing of dissimilar lighting zones using 1 dimmer knob if desired.

 

Configurable Channel Outputs

 

The RDU is configured using a built in USB port that connects to a computer or laptop running any standard VT100 Terminal program for communication. This allows for easy setup, and once the RDU is configured with Easy Balance™, everything is permanently stored in memory. Besides having many other options in the RDU, every channel output has four line-segment points that can be adjusted for defining specific lighting slopes.

Utilizing these variable line segments, individual slopes for each channel can be customized to deliver an output voltage based on an assigned dimmer input signal. This is how LED and incandescent lighting circuits can be “balanced” to provide the same light output for a specific dimmer input signal. The other benefit of the RDU is that no heavy gauge wire has to be used when connecting to the dimmers. Instead, the RDU uses each dimmer input as a “control” signal but takes care of any heavy output currents at each channel directly (2.5Amps/channel 280 Watts).

Output Channels can also be set for a maximum output value too. For example, one channel can be set to provide 28Vdc when a dimmer input reaches 70%. Another channel can be set to only reach 5Vdc for the same corresponding dimmer input.

 

Optional Expansion Module (BW-A350)

 

An optional expansion module is available that provides four additional Channel outputs, giving a maximum of eight configurable outputs with Easy Balance™.

Dimming Unit

SKU: BW-A340
  • Quick Data

    • Small Size: 2.13” x 1.15” x 4.63”

    • Blackout Mode options available

    • 2.5Amps per channel

    • 280 Watts in Total

    • Weighs only 7 ounces

    • 28 Vdc

    • Operating Temp -40 to 55C

    • Configurable line segments for each channel (adjustable slope/channel)

    • 3 Dimmer Inputs plus 6 virtual dimmers with optional Encoder Module

    • Short Circuit & Overload protection on all channels.

    • Each Channel can be set at a Fixed maximum output Voltage

    • NVIS/NVG Dimmer Compatible

    • Patent Pending

  • Product Spec Sheet

PRODUCT INFO