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> Light management / Light management application and function / Light management systems
Figure 3.226: Schematic representation: local light management with master luminaire. Master luminaire (photo) with integrated control device and sensor unit.
Light management features should be defined on a room-specific basis as a matter of principle. Whether the requirement is simple dimming or complex control tasks is irrelevant in this respect. The reason for this is the fact that light is the basis for the process through which human beings receive more than 80% of their sensory impulses: vision.
Rooms can be subdivided into several areas with individual control (see figure). However, the areas within a room are permanently part of any single user’s field of vision. Therefore, the light should only be switched off completely once there are no more persons in any area of the room. Up until then, background lighting should be maintained in the entire room. This necessitates the consideration of presence information from adjacent areas. Whether this is achieved via an overall system for the entire room or through several interconnected individual systems is irrelevant.
Separate rooms, however, are not connected from their users’ perspectives and thus can be controlled independently of each other.
Many room-based systems open up installation-related advantages by means of integration of control device and sensors into the luminaire. This facilitates cable routing because e.g. control lines for connection to the control device interface do not need to be routed through the subdistribution in the corridor (see figure).
Where general features are intended to be realised, e.g. in representative applications due to overall building appearance, it is advisable to achieve this by networking individual, room-based systems or their control via a building management system (see section ). However, centralised remote maintenance and monitoring can also be realised today with increasing comfort and decreasing effort through suitable interfaces.
Applicable rules and regulations Presence detection
Increasing lighting comfort Lighting customisation Adaptation of light to changing lighting tasks Health promotion Energy savings Increasing efficiency Applicable rules and regulations Light management systems
Introduction Visual needs Need for orientation Non visual needs
Guidelines Overview Work places Visual task area Surrounding area Illuminance Luminance distribution Limitation of glare Lighting direction, modelling Aspects of colour Flicker and stroboscopic effects Daylight
Maintenance Factor Light and safety at work Light and non-visual effects Light and economy Light and environment Lighting design Lighting measurement Emergency lighting
Lighting of traffic zones and geneal areas in buildings Lighting of industrial activities and crafts Lighting of offices and VDU workstations Lighting of design and CAD offices Lighting of sports facilities Lighting of health care facilities Lighting of geriatric care facilities and nursing homes Lighting of public areas Lighting of salesrooms Lighting of educational facilities Lighting of traffic areas Lighting of car parks Ligthing of further indoor spaces
Luminaires The enhanced concept of quality Photometric classification Photometric properties Photo biology safety Mounting and electrical connection Luminaire labelling Luminaire operation LED luminaire operation Operation of FL luminaires Electrical safety Fire protection Electromagnetic safety Mechanical safety Chemical and miscellaneous impact Acoustic properties Ventilation properties
Firehazardous locations Room with bathtubs and showers Swimming baths Exterior installations Agricultural and gardening plant locations Food industry Clean rooms Requirements on mediacal rooms Emergency light installations
Luminaire selection chart
Light management application and function Presence detection Daylight-dependent regulation Interfaces Building management, KNX and other bus systems
Light sources types Characteristics of light sources
ABC, DF, G, ILM, NO, P, QRSUV, W
Subject index
StandardsGuidelines and instructionsEuropean directives and regulationsFurther publications
Lighting societies
Standardisation institutes
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