licht.wissen No. 17 "LEDs: Basics - Applications - Effects"

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licht.wissen

17

LEDs: Basics - Applications - Effects

Daylight-regulated lighting 1st row of luminaires

Sensor

2nd row of luminaires

Sensor

daylight and artificial light Light measurement

Light measurement

daylight

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© licht.de

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LED lighting control From simple on/off switching and dimming through to room-based presence- and daylight-dependent activation and fully integrated building control in which all devices exchange information with each other: lighting and building control systems today offer the appropriate solution to meet every need. As flexible electronic components, LEDs are predestined for use with intelligent lighting control systems and greatly expand the range of individual lighting design possibilities. LED technology enables the use of millions of colours and a range of dynamic effects that can create scenes and ambient lighting that would not be possible with conventional light sources. The targeted use of dynamic colour lighting can also have a positive effect on health and increase performance.

[49] Example of daylight-regulated lighting: sensors measure the amount of light required and the luminaires are controlled accordingly. [50] Today, digital lighting control systems can be operated conveniently and controlled locally or from a central point. [51] Each building structure is individual and therefore has different lighting requirements. If selected and used sensibly, lighting management systems provide for optimum lighting in a wide variety of spaces and zones.

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Modern control technology offers many “smart” combinations of luminaires with changeable light colours and dimming functions – based on highly developed operating elements, daylight/motion sensors, electronic ballasts and control units. This technology not only controls the light intensity and quality, it also makes a significant contribution to saving energy and integrates all components in a highly targeted manner. It is possible to create precisely the right lighting profile to suit the individual requirements of people with a wide variety of tasks and visual needs – be it for individually optimized workplaces, for an

appealing restaurant ambience or for superior comfort in the home environment. Classic wired technologies in combination with programs such as Digital Addressable Lighting Interface (DALI) and Digital Multiplex (DMX) have proven their value in terms of variable functionality in lighting control systems (especially with KNX for combined lighting and building control systems). Recently, wireless systems such as ZigBee, Bluetooth, W-LAN or LAN/ Ethernet have become more popular. It is expected that all electronic or automatic technology components in buildings or public spaces will soon have with their own IP addresses. Intuitive control Lighting control systems require intuitive user interfaces. This should be ensured at the planning stage of larger lighting control projects. A “simple” logical interface (e.g. an app for lighting scenarios) makes the control system easy to use. Lighting management systems are, by their nature, technically highly complex. Intuitive controls involving a user interface ensure optimum user-friendliness.


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