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Smart Lighting

Smart Lighting

Smart Lighting - Light provided by the network

According to the International Energy Agency (IEA), despite improved efficiency, lighting is still responsible for up to seven percent of global electricity consumption in buildings. A first important step towards reducing energy consumption was the establishment of light-emitting diodes (LEDs) as light sources that are superior to other light sources in almost every respect. LED luminaires have very low energy consumption. Thanks to their high efficiency, energy consumption is six to eight times lower than that of halogen lamps.

Even the economical LED luminaires can be operated much more efficiently if they really only light up at the required times and in the required intensity. MICROSENS offers the solution to this challenge with Smart Lighting. By combining intelligent network technology and LED technology, Smart Lighting enables energy savings of up to 80 percent. Through the use of sensors and actuators, lighting is always used precisely when a person is in the room. And only where the outside light is not sufficient and only as much as is required for pleasant vision. Comfort and thus productivity in working environments also increase if the light sources are not only geared to presence and time of day, but also precisely to individual requirements.
Thanks to networking, LED luminaires in the MICROSENS Smart Lighting concept really show their advantages to their full advantage
With MICROSENS Smart Lighting concept, LED luminaires are supplied with power via the existing data cables of the IT network using Power-over-Ethernet (PoE). This type of luminaire supply is made possible by the low energy consumption of light emitting diodes. There is no need for additional cabling for the power supply. Special Smart Lighting controllers fully integrate the LED luminaires into the network infrastructure. They are controlled via decentralised micro switches on which small control programs - the Smart Director Apps - run. The individual functions available to the user can be operated easily and intuitively via smartphones or tablets.

These apps are not only used to control the LED lights. Complex building automation applications can also be implemented via the network. For example, if the shading in an office building is to provide subdued light inside, the Smart Lighting solution can automatically reduce the luminous intensity of the LED luminaires at the same time according to the respective requirements.
The system components are configured and monitored using a higher-level management software, the MICROSENS Smart Building Manager. In addition to lighting, these are other building services components such as shading, ventilation and room booking.

The data collected via this software also enable the derivation of valuable information on room occupancy and energy consumption as a basis for efficient room and resource management. With the aid of measured and evaluated operating data, further optimisation and savings potentials can therefore be tapped.

Smart Lighting by MICROSENS: With Power-over-Ethernet and IP Networking
Under the name "Smart Lighting", MICROSENS offers a digital lighting concept in which both the power supply and the control for the lighting are carried out via the IP data network and the lighting can be fully integrated into the IT-supported building automation system. MICROSENS combines intelligent network technologies with LED technology. The result is extremely comfortable and offers enormous energy saving potentials.
The LED luminaires are supplied with power by PoE+ via standard-compliant cabling in accordance with DIN EN 50173-6. Sensors near the luminaire provide data on brightness, temperature and the presence of people in the room. The Smart Director app on the micro switches controls the lighting according to the needs of the users. Intelligent MICROSENS components are active:

Smart Sensor
Smart sensors close to the luminaire detect several environmental parameters. Presence detectors detect whether persons are present in the room. A brightness and temperature sensor are often integrated in the detector housing. Such combination sensors reduce the installation effort compared to the use of individual sensors and also make the data available for other systems such as heating and air conditioning. If nobody is in the room, the light is automatically switched off and the heating or air conditioning system is kept in lowered standby mode.
Sensors from other, completely separate systems can be integrated as part of the smart office concept via a gateway (e.g. EnOcean, etc.).

Smart Engine
The Smart Engine takes over the power supply of the luminaires with PoE+ Suitable data lines such as those used for the IT infrastructure serve as the transmission medium. The Smart Engine can be housed in a data processing cabinet or electrical distributor, but can also be installed directly in a decentralised location, e.g. in a suspended ceiling. The number of Smart Engines depends on the scope and expansion of the lighting system.

Smart Lighting Controller
The Smart Lighting Controller is the link between the LED light and the Smart Engine. It integrates the luminaire into the IP network and controls data traffic between the network, sensors and luminaire. This means that the lighting is fully integrated into the infrastructure for distributed building systems.
The controller ensures the correct power supply by converting the operating voltage provided via PoE+ into an adaptive power supply with controlled constant current control of the LED luminaire. It is also possible to connect a Smart Sensor to this controller. The sensor collects data on environmental parameters such as brightness, temperature, motion and humidity and transmits this data to the Smart Engine.

Smart Director App
The Smart Director app evaluates the environment parameters captured and sends the commands back to the appropriate controller unit, which then adjusts the lighting. Standard functions such as motion control or automatic dimming in sunlight are pre-installed and only need to be configured. Different scenarios can be defined for individual rooms. The Smart Director App is a firmware extension that can be executed in a Smart Engine, a Central Smart Lighting Controller or suitable MICROSENS network switches (see below).

Micro Switch
Due to their high computing power, MICROSENS network switches have long since developed from pure forwarding of data packets to intelligent control centers in networks. Based on a robust Linux operating system, they take on additional tasks such as controlling the LED lights.

 

Modern lighting management - with the Central Smart Lighting Controller not only for the luminaires, but also for the entire room automation system

The MICROSENS concept brings together for the first time the supply of LED lights, the central connection and the central control of lights and other technical building equipment systems. With the Central Smart Lighting Controller, not only the LED power supply but also the control and its user interface for the complete room automation (e.g. lighting, shading, ventilation, heating) are already on board.

The device provides a connection to the IP network. With its 24 channels, it can be used as a closed system for Smart Lighting and Smart Office. It integrates sensors for luminaire control and integrates additional switches and sensors for controlling ventilation and shading via a gateway that can be addressed via radio or wire.

In contrast to the Smart Lighting Controller arranged decentrally in the direct vicinity of an LED luminaire, the Central Smart Lighting Controller concentrates the electronic functions for controlling the LED luminaires centrally in one device. The software for the user interface, the software control of the luminaires and the configuration data are located directly on your device. Configuration and management of the luminaires are also possible without installation of a complex software package.
When servicing this multiport controller for Smart Lighting, a service technician only accesses a device that is easily accessible from a central or decentral location. This avoids the cumbersome replacement of a defective electronic module near the luminaire at great heights.

The Central Smart Lighting Controller concept causes higher cabling costs due to the star wiring from this controller to the connected devices, depending on the arrangement. A twisted pair cable must be connected to each LED luminaire or group of LED luminaires. However, the 230 VAC installation is completely banned for this purpose. The planners and installers are therefore much more free in their work: An additional luminaire can be installed with an additional cable without the use of a certified electrician and the associated effort. This investment will also pay off later when the rooms controlled by a Central Smart Lighting Controller are converted.

The Smart Director app on the Central Smart Lighting Controller not only controls "Smart Lighting" according to the user's needs, but can also implement complex building automation applications via the network. In addition to lighting, ventilation, heating, cooling, shading, conference technology, time recording, access control, etc. can also be covered.

In an open-plan office, sensors such as luminaires can be regrouped again and again centrally via the controller, for example in the course of converting mobile walls within a conference room. The centralized approach has the additional advantage that the active component - the Central Smart Lighting Controller - is located in a controlled environment. For example, the technology can be placed near open-plan offices in a controlled room or cabinet in which the ambient temperature can be monitored.

Integration of lighting into the overall building automation system by the Smart Building Manager
The MICROSENS Smart Building Manager serves as a superior system management software for the configuration and monitoring of all system components in addition to the apps. This software application is the central integration point for all types of devices and services in building automation. Facility managers can use the Smart Building Manager to perfectly map a distributed automation solution in their building and keep an eye on all components for lighting, shading, heating, air conditioning and data technology from a central point.

In addition to mapping the building infrastructure (buildings, floors, rooms), the system collects all relevant sensor and process data. The availability and visualisation of the data processed in this way supports the responsible house technician in making the right decisions for influencing the consumption of resources, for predictive maintenance or for adjusting room temperature, CO2 concentration or humidity.

Economic aspects such as occupancy rate and room utilisation, information on frequently visited building areas and security issues (motion detection, window closure monitoring) can also be evaluated and illustrated with statistics.