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[ Spotlight: KNX ]

Meter reading According to the Energy Saving Trust (EST), trials in other countries show that simply having a smart meter in the home can cut energy bills by 5-10 per cent. However, in order for the information available from smart meters to be acted upon, interoperability between devices is crucial. This is where the implementation of a KNX-based system will prove highly effective. Iain Gordon believes that KNX technology will play a

major part in the success of smart metering and says: ‘KNX smart meters are available and being fitted. The data produced by the meter is transferable on the KNX protocol, so can easily be displayed and archived with KNX products. This allows the ability to remote view usage so possible savings can be made.’ Connection of the metering devices to the KNX bus

system and coupling to IP allows the display and processing of the data on a touch panel that shows the recorded and current data of every metering point. The conversion of the data can be achieved with the push of a button and allows post-processing for the various accounting and billing software products currently available. Schneider Electric’s Marc Gaunt, summarises: ‘KNX

is the ideal system to take the information that smart metering will provide and automate the use of this rich data.’

Future days KNX is here to stay, and has a bright future ahead of it. KNX products are really no different from other electrical accessories as far as installation is concerned, so electrical contractors are in a prime position to take advantage in the growth of this type of technology and make it part of their existing business model.

n For more information on KNX, visit

KNX components from different manufacturers can work together seamlessly

There are considerable opportunities for electrical contractors to get involved in specifying and installing KNX- based systems

CASE STUDY: Life of luxury

Grovelands is a large, luxury house that took five years to complete, and it pushes the boundaries of smart home technology. As well as a large array of control and home entertainment products for the property, systems integrator E-Life used KNX intelligent building control technology for the heating, air-conditioning, lighting, curtains and blinds, as well as other aspects of the living environment, to provide a fully integrated solution. E-Life’s brief was to provide a state-of-the-art building control system fully integrated with a high end AV installation. Ease of use was paramount to the client, as were aesthetically pleasing front-end components.

The KNX building system controls the building services within the property, including

all internal and external lighting – which features mood lighting, simulated occupancy, panic buttons, night lights, integration with the property’s security alarm and energy saving daylight sensing for external lights. A spokesperson from E-Life, comments: ‘Security was also high on the agenda, and the client wanted to fully integrate the CCTV, security alarm and gate entry system. E-Life interfaced the CCTV cameras, which can be viewed on all TVs, linking them into a Crestron system so they can be viewed and controlled from the wall mounted touch panels.’

September 2011 ECA Today 49

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