Electrical Business

Products Controls & Automation Lighting & HVAC
Modulus system powers, controls and connects luminaires


Photo: Acuity Brands

Acuity Brands, Inc. has recently introduced the Modulus low voltage distributed power and control system, which provides digital control and network technologies for LED luminaires.

The Modulus system provides the same extensive capabilities as some of Acuity Brands’ other control and driver systems, such as flicker-free dimming, networked lighting controls and embedded sensors, emergency battery back-up and tunable white.

The Modulus system uses a single unit for powering a luminaire run of up to 32 feet, versus requiring a unit every eight feet. This allows for flexible lighting design as the Modulus technology can be embedded in a variety of new luminaire form factors.

“There’s a market need for ever smaller, unobtrusive luminaires used for creating expansive designs in spaces. However, these small luminaire form factors make it difficult to embed existing technology due to spatial constraints,” said Gilles Abrahamse, vice president, digital luminaire components at Acuity Brands. “Modulus is unique in that it provides power and control for luminaires as small as one inch in depth.”

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Modulus uses an eldoLED driver, an IOTA power pack for emergency back-up power and nLight firmware. The system also supports control systems with open protocols.

The Modulus low voltage distributed power and control system will initially be available within the Renna luminaire family from Peerless. In future, the company hopes luminaires equipped with Modulus technology “can be specified with additional nLight networked control devices, which can create smart, connected buildings and facilities. The resulting system can be integrated or unified with additional innovative technologies from Acuity Brands, such as Atrius® IoT systems, to provide indoor location services used for wayfinding, asset tracking and other building and business applications”.



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