Product Article: Upgrading Present Buildings with Wired and Wi-fi KNX Gadgets – KNXtoday

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By Thomas Weinzierl, Weinzierl Engineering GmbH.

Utilizing KNX to improve present buildings could look like a contradiction to some installers as a result of typically, it’s not an choice to open partitions to put bus traces. Nonetheless, an in depth evaluation of the present stock and set up can present fascinating options. Necessary set up factors can, in lots of instances, be accessed with somewhat effort, particularly in workplace buildings have been there are sometimes cable ducts which are simply accessible. KNX additionally provides fascinating options for wi-fi connections, reminiscent of KNX RF and EnOcean.

Compact designs in demand

Along with the difficulties of laying bus cables, the free house in present distribution cupboards could be very restricted. To assist with this, Weinzierl provides a very compact collection of IO gadgets for DIN rail for cupboards which have little remaining house. All gadgets of the KNX Compact IO collection have a really small measurement of solely 18mm width. Along with switching actuators, blind actuators and binary inputs are additionally out there. Numerous dimmers have been launched by the start of 2019, and the road might be prolonged additional.

The Weinzierl KNX Compact IO range comprises binary inputs, switch actuators, blinds actuators, and dimmers.

The Weinzierl KNX Compact IO vary contains binary inputs, swap actuators, blinds actuators, and dimmers.

Impulse swap with KNX

A particular drawback solver inside the Compact IO collection is the KNX IO 511 . That is additionally out there in a model supporting KNX Knowledge Safety. It provides one switching output and two binary inputs for 12 – 230V. The machine comes into its personal the place a sure infrastructure already exists. For instance, many installations for lighting corridors and stairwells have impulse switches within the distribution system. These are often mounted on the top-hat rail with a width of 18mm. The KNX IO 511 is manufacturing unit programmed by default in order that it may possibly take over the perform of an analogue impulse swap with out additional programming. For this function, the present push-button circuit is linked to enter one and the lamp circuit to the relay output. The second enter can optionally be linked to section L to synchronise the switch-on time with the zero crossing. This will increase the service lifetime of the relay, particularly for lamps with LEDs.

Because of this the installer can set up the machine and put it into operation with out programming, and KNX integration and corresponding capabilities or Web connection can happen later.

The Weinzierl KNX Compact IO 511 is an out-of-the-box replacement for conventional impulse switches.

The Weinzierl KNX Compact IO 511 is an out-of-the-box alternative for typical impulse switches.

Prolong your good house with KNX RF

If the KNX bus is accessible in your house – even solely on some flooring or in some areas – it may be simply prolonged with out wires. The KNX commonplace provides the opportunity of wi-fi communication with KNX RF. The principle benefit is that KNX RF gadgets are programmed with the ETS (KNX programming software program) in the identical means as wired KNX gadgets on the cabled bus. The wi-fi KNX RF gadgets simply have to be linked to the bus through a media coupler such because the Weinzierl KNX RF/TP Coupler 672. .

The combination of KNX RF into the ETS befell with the discharge of ETS5, so it’s nonetheless comparatively new. In consequence, the vary of KNX RF tools supplied by producers remains to be comparatively modest, however is clearly creating quickly.

Weinzierl offers various KNX RF and EnOcean products for wireless extension of KNX installations.

Weinzierl provides varied KNX RF and EnOcean merchandise for wi-fi extension of KNX installations.

EnOcean – the wi-fi different mixed with KNX

Another, with already many out there merchandise, is the EnOcean commonplace. EnOcean know-how is characterised by its battery-free sensors – gadgets that ‘harvest’ the required power from the atmosphere. EnOcean buttons generate their power when pressed, and EnOcean room working models could be provided with small photocells. Over latest years, EnOcean has turn into such an necessary wi-fi commonplace that quite a few parts with batteries or mains connection have additionally been developed. Numerous actuators from completely different producers can be found too.

Weinzierl provides bidirectional gateways for combining KNX TP (Twisted Pair) and EnOcean radio, which additionally help the encrypted variant ‘EnOcean Safety’ for safe wi-fi connection. The compact blue translucent KNX ENO 626 provides eight channels and suits right into a flush-mounted field. The KNX ENO 636 with a horny surface-mounted housing provides 32 channels and has an illuminated show for fast and straightforward commissioning. Each gadgets help over 100 EnOcean machine profiles (EEPs) and their energy is provided through the KNX bus. Each could be simply arrange with the KNX ENO instrument .

Wired or wi-fi – be ready for upgrades!

While the order books of most set up firms are at present greater than well-filled, the market scenario can all the time change once more, rapidly. On this case, the retrofitting and upgrading of present buildings provide appreciable potential for extra enterprise. Within the meantime, there are additionally quite a few present buildings with KNX the place the put in vary of capabilities now not corresponds to as we speak’s wants. These buildings may also be made safer and extra comfy with compact wired parts or wi-fi parts – KNX RF or EnOcean. Both means, the property might be considerably upgraded.

Dr.-Ing. Thomas Weinzierl is the CEO of Weinzierl Engineering GmbH, producer of KNX merchandise and supplier of a full vary of and software program improvement and testing providers.

www.weinzierl.de


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