Lighting Controls
Last Update: October 15, 2010
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Integrated Lighting Control

Integrating lighting control functions, either across control devices or using the same devices, can result in synergies that can deliver greater value. As users, designers and energy codes demand more and more from lighting controls, control systems that can integrate multiple functions and implement multiple strategies cost effectively will be in higher demand.

Lighting Control-Based Integration
With integrated control, more than one control strategy can be implemented at a time with the same lighting hardware. For example, integrated control for an office application might combine daylight harvesting control, scheduling and load shedding all with the same devices. By combining strategies, more energy can potentially be saved and the greatest economic benefit extracted from the investment, often with only marginal cost increases.
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Lighting Control Protocols
Lighting control systems operate according to protocols, standardized sets of rules governing communication between devices across the system. The characteristics of the given protocol reflect a given system’s capabilities while determining its interoperability with other devices and systems.
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Building Control-Based Integration
Many benefits are possible by integrating the operation of lighting with other building electrical loads. For example, there are economies from combining switching control of lighting circuits with other loads. But the biggest benefits are possible if the lighting is dimmable.
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Building Control Integration Issues
Energy management systems (EMS) provide automatic control of electrical loads, typically HVAC. Building automation systems (BAS) include the energy management functionality of an EMS, but also include non-energy related loads such as security and fire safety.
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Campus and Enterprise-Based Integration
The proliferation of companywide Ethernet networks and the Internet have created new lighting control opportunities for building owners and operators.
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