All posts by Steve

Project Update: 10 years later

This article was written by a past customer who wanted to comment on a job we carried out about 10 years on…

This is an article that tries to explain my experiences of going from home automation novice, working out what I was trying to achieve, working with a specialist installer, implementing and finally living with a functioning home automation system for a few years.

In the early 2000’s I decided to buy a new house. Nothing I saw seemed right and as I worked for a large building contractor and knew a bit about the construction process, decided to widen the search to include those that ‘need some work’.

Eventually, in 2002 I bought a rundown three bedroom cottage in East Sussex, with a view to refurbishing into something that met my requirements, in terms of internal layout, features, materials and so on.

One of the things I wanted was a security system, as in previous years I had spent quite a lot of time working away during the week. Whilst researching the options I (think I) spotted an advert in a magazine. It turned out to be Household Automation and the advert as I recall, talked about security systems for the domestic market and how their system specifically, could be the backbone or infrastructure around which a home automation system could be based.

At the time Household Automation were really, the only company I could find that seemed appropriate. They were a small business based not too far away and were aiming themselves at the domestic market and had the broad range of knowledge and experience to deal with it. There are several companies that can deal with individual aspects, but very few that can effectively deal with them all. I think this is still true today.

Given that I have a bit of interest in the application of IT, this got me thinking about what an automation system is and I would want it do, so I drafted up a list of basic functional requirements and gave HA a call. Numerous discussions followed as I tried to work out quite what I wanted and HA (Andy Ellis) tried to interpret my vague descriptions and formulate some specific proposals.

I soon realised that all an automation system is, is a box of electronics that essentially switches things on and off when it receives a specific combination of inputs and in accordance with a set of instructions that are ‘programmed’ into the system. Those inputs could be a detection of movement, the opening of a door, recognition that light has fallen below a certain level, the time of day and so on.

It then occurred to me that if a security system could sound an alarm when it detected movement in places where there shouldn’t be any and when it was ‘armed’, then it ought to be able to do a range of other things like switch heating and lighting and so on, on and off.

This led to the realisation that the (notionally) security system could control the heating and lighting to simulate occupation in terms of switching lights on and off, keeping the heating levels down and also open and close the curtains, all in accordance with which security ‘state’ had been selected.

How all of this is made to work can be quite complicated, but the principals of what it does are fairly simple.

From this point on there was no going back. Some form of home automation was going to be integrated into the refurbishment. Because the house was quite run down it meant moving out and completely gutting it, which gave the freedom to install a totally new wiring system, concealing almost everything.

Eventually in early 2006, work began. Household Automation drew up the wiring diagrams and costed it all. This was useful for everyone involved in that it provided clarity of exactly what was to go where.

My requirements, or should I say wish list, inevitably grew to incorporate a centralised audio and video system. After some research I came to the conclusion that the technology on the video side was too expensive and probably not as effective as it should be. On the audio side though, I discovered Sonos which did get installed and has worked very well ever since.

The installation went well and HA was professional and proactive throughout, although in the end I got the builders to install the cabling that HA specified as that was a more effective way of working. HA though provided, installed and tested all specialist equipment. Whilst it is based around a security system called Comfort, a lot of other components were integrated with it to provide a seamless whole.

Configuring it all once installed though, was perhaps the hardest part. Making sure it did what it should do and just as importantly, didn’t do what it shouldn’t do was quite a long and sometimes difficult process, but problems always got solved and it ensured I got a thorough and effective system that has needed almost no maintenance or support in the eight years or so that it has been operating.

Household Automation also installed a series of Cat5 sockets around the house to allow computers, televisions, dvd players or any other device, to be connected to the internet.

Along with some speakers mounted in the ceilings of some rooms and shelf speakers in the kitchen I am able to make use of music files stored centrally on a network attached storage box, and played in any one of the three zones currently set up. This is done with Sonos Zone Players and really is very impressive. The sound is good, the ease of set up and operation is good and the support via their website and telephone is also very good.

I use lossless FLAC files on my Sonos system and they are all stored in a separately mapped ‘drive’ on the NAS box rather than on a pc.

So what does my system do? Well,

  • It’s a security system that does the basics of sounding alarms (and flashing lights) when movement or smoke is detected.
  • Rings a phone number if someone calls at the house and no one is in – the door ‘bell’ incorporates and speaker and microphone.
  • Lowers the temperature of the heating system (which is divided into four zones, each with its own thermostat), if the security system is ‘armed’, meaning no one is at home. The heating is brought back up again in late afternoon in readiness for a return from work. I don’t have to remember to adjust the heating as well as the security – it is all done automatically.
  • Sets the heating to ‘frost protection’ if the security is set to ‘vacation’ mode.
  • Allows remote operation via telephone. Security can be changed, heating can be changed, lights switched on and off and much more.
  • If the security is set to Away or Vacation then lights will come on and off and curtains will be drawn and opened in accordance with defined instructions to mimic occupation.
  • Switch on internal lights when movement is detected and switch them off after a period of no movement.
  • Close the curtains at sunset and open them, if no one is at home, at defined times.
  • Switch on the irrigation system in the garden for a prescribed amount of time, unless it has rained recently – there is a sensor that can tell!

If there is a single piece of advice I would give to anyone, it is try to think through systematically and logically and to be as clear and explicit in communicating your wishes and requirements as possible. I’m sure Household Automation can help with this and you may need to make adjustments on the back of advice from the experts but be as clear as you can. Be warned though, it can take a bit of effort but you will most certainly reap the rewards.

I’m sure my installation only begins to scratch the surface of what can be done now. I imagine that technology in this area moves pretty fast, as it does in other areas of technology use, but I think I have a reasonable balance between useful technology and cost and if you are in a similar position I would recommend you give Household Automation a call to see how they can help.

Eight years on and I am still glad I went through the process of specifying and installing it. I wouldn’t want to be without it and although it isn’t cheap, if I find myself in a similar position in the future I’d do much the same thing again.

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Major new incentive for energy efficient lighting control

Household Automation has been vigorously campaigning over the past few years to gain 0% VAT rating for lighting control in new build properties. MD of Household Automation Ltd; Andy Ellis reports…

This month HMRC have published Notice 708: Buildings and Construction – August 2014. For the first time intelligent lighting (not including remote control hand sets) has been recognised as ‘ordinarily incorporated in a building”.

What does this mean in reality? – New build properties can now have intelligent lighting , heating and air-conditioning systems installed at 0% VAT.

As the managing director of a progressive home automation company, I have long been campaigning for intelligent systems to be zero rated.  Because we deal with a variety of different equipment, it has always been difficult to segregate what is 0% VAT rated. With the issuing of the Notice 708 ( specifically section 13.8 “Examples of articles normally incorporated in a building” and 13.8.1 “Dwellings” ) things have become far clearer.

My interpretation is now that any part, of any intelligent BUS system used for lighting or heating that is part of a fixed installation can be zero rated for VAT in a new build property.

So as well as the standard components of lighting such as switches and dimmers, items such as in wall room controllers and touch screens can be included. With a comprehensive BUS set up (such as KNX) this in effect means that pretty much the whole system can be zero rated including light fitments and outside lighting.

With major building construction companies now having to seriously consider a proper technology infrastructure within their properties the zero rating of intelligent control will surely be a major incentive to specify intelligent systems.

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SONOS: Should we still be building music libraries?

In keeping with my recent run of posts relating to the Sonos multiroom audio system I thought I would tackle the decisions made by many digital music enthusiasts. Namely, should I build a music library and if so, how and where should I store it?

In today’s world of digital content, deciding what to do with it all can become a bit of a nightmare, especially when the digital content is media. Collections of both music and video can very quickly become very large and difficult to manage, to top it off, access to the data must be easy and fast.

Options if you decide to build and store a music library.
Local network storage

With this option you could store the data on a computer which is connected to the local network, we don’t recommend this option as it is very much reliant upon your computer being switched on and available over the network. A much more reliable option would be to purchase a simple NAS (network attached storage) drive which connects directly to your network (via an ethernet port on your router). These are available fairly inexpensively from PC accessories stores with sizes ranging from about 1 to 4 terra bytes.

Google Play Music

Google provide free online storage of up to (at the time of writing) 20,000 songs. The music is available via the internet 24/7 without any storage device required in your home. Sonos has full support for Google Play Music and browsing your online library is quick, simple and intuitive.

When creating your own music library a point to note is that Sonos does not support every file format available. For example it will play MP3 and M4A files without any issue, however a format quite often used by iTunes, M4P, is not supported. We have had recent experience where a customer with their own iTunes library was missing about 1/3 of the tracks. After investigation, it turned out that these tracks were in M4P format and hence would not play.

Options for not building a music library
Subscription services

Assuming you have a reliable and fast broadband connection, there are a number of streaming services available. For a small monthly charge, these services allow immediate playing of a huge collection of music. Examples of these services are Napster and Spotify.

Subscription radio services

These services can be thought of as personal radio stations. For a small monthly fee you can start a radio station playing based on an artist or genre. The radio station will play track after track of music and provides you with the option of rating a song up or down. Over time, such a service will begin to ‘learn’ your listening tastes and tailor future radio stations to your preferences. Examples of these services are Last FM and Rdio.

The conclusion

In our experience, personal music libraries can become quite messy and therefore a managed streaming service is often the best route to take. The latest addition to Sonos is Google Play Music and we believe that this is a good combination of both a Subscription service and a Subscription Radio Service. I have written a post on our experiences which can be found by clicking here.

Of course with Sonos there is inbuilt support for a wide variety of different services leaving you to decide which will best suit your needs.

 

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SONOS: Now with Google Play Music

In our last post we talked about the latest offerings from the Sonos Multiroom Audio System. Since then Sonos have announced their latest addition to the already fantastic music services lineup. The new arrival is Google Play Music.

Google Play Music was launched in late 2011 and it allows users to upload their own music for streaming anywhere along with a subscription service named ‘All Access’ which allows any of their 18 million songs to be streamed.

Features
  • I’m feeling lucky radio: Your own personal radio station – tailored based on your listening history.
  • I’m feeling lucky mix: Your music collection mixed based on your listening history.
  • My Library: Upload up to 20,000 of your own tracks for streaming.
  • Playlist: Access your playlists directly through the Sonos app.
  • Radio: Create a new station based on any artist, album or song. Customize the station and skip ahead if you don’t like a particular song.
  • Explore: Browse by Genres, Featured and Recommended content.
  • Instant Mixes: Make endless mixes based on your favourite artists or songs in your Google Play Music library.

Possibly the best feature is ‘smart’ suggestions. Sometimes, despite Sonos’s ease of use, you just want to have something to listen to without having to find an album and queue it up. Well, with Google Play Music All Access you can do just that… It’s called I’m feeling lucky radio and will setup a queue of tracks based on your listening history.

Another great feature is the free storage of 20,000 tracks of your own music collection. Perfect if you have any music that you want to stream to Sonos without the expense of network storage.

‘I have just installed our first Google Play Music linked Sonos system and was really impressed with it’s features and ease of use. The customer seemed very keen on the idea of not having to manage and maintain a music library!’ Chris – Automation Engineer

If you already have Sonos then upgrade to version 4.3 or above to enjoy Google Play Music.

If you are considering a Sonos installation of any size then please contact us and we will be more than happy to advise.

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Multiroom Audio: SONOS

Household Automation has been specifying and installing the Sonos multi-room audio range since it was introduced to the UK.

Why multiroom audio?
  • Choose from many different audio sources.
  • Play something different in every room or link rooms together.
  • Ease of control – using smartphones, tablets or PC’s

As a multi-room audio system Sonos has achieved amazing market penetration. The product provides complete flexibility and is competatively priced. The reliability of Sonos is exceptional due to its use of ‘mesh’ networking technologies. Expanding the system is a very easy process with a step-by-step guide.

One of the biggest features is the free Sonos app, which is available on an impressive range of devices such as iPhone/iPad, Android, Mac and Windows. It gives total control of the system via a user friendly, graphical display.

What can I play?
  • Internet Radio – Whether you want your favourite local station or one of 1000’s of radio stations from all over the world, Sonos has teamed up with tunein radio to offer an exceptional choice of radio stations.
  • Network Music – We can install a networked hard drive and link it to your Sonos system, for you to store your personal music collection. Upload your music and browse through and play it straight from the Sonos app.
  • Napster – With a catalogue of over 8 million songs – pop, hip-hop, rock, country, jazz, classical, and more – you’ll have unlimited music on demand. Ideal if you don’t want to upload all of your music or simply don’t have much (if anything) of a music collection!
  • Spotify – Instantly access a world of music – starting with an ever-expanding library, incredible playlists and unlimited music at your fingertips. Because Sonos connects directly to Spotify via the Internet, you can play it all without docking or turning on your computer.
  • Last.FM – Last.fm is a global music service that lets you play, share and discover new music. You can also create personal radio stations based on your musical tastes. Just pick up your Sonos Controller and enter the name of your favourite artist or genre and Last.fm will play radio customised just for you. The more you listen, the more Last.fm learns what you like so it can continually recommend new tracks and stations.

Household Automation has many Sonos installations completed and in progress and would welcome the chance to provide more information on Sonos equipment. We design and install Sonos on many scales – from systems containing just a couple of zones through to whole house solutions incorporating home cinema.

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Home Automation – Security Alarm / Fire Alarm – How Can They Work Together?

Household Automation explores how British Standards allow for a security alarm to act as a fire alarm.

Most security and home automation systems are able to connect to smoke, heat and CO detectors to provide warnings of fire, Household Automation explores the viable possibilities using British Standard BS 5839-6:2004.

Most of the major fire detection equipment manufacturers such as AICO and Hockiki offer a range of detector heads that can be connected using 9-24V power from a home automation or alarm panel and provide NC or NO contacts to enable an alarm. In practice this may be very easy to physically achieve but under what circumstances is this allowable?

The details of what is allowable is defined in British Standard BS 5839-6:2004 Fire detection and fire alarm systems for buildings.

A home automation or security system that is used as a fire alarm is classed as Grade C.

  • A Grade C system is allowable in a three storey or less single family dwelling and shared house with no floor greater in area than 200m/sq (2,152 sq/ft).
  • A Grade C system is allowable in a bungalow, flat or other single storey family dwelling or shared house with one floor greater than 200m/sq (2,152 sq/ft).

Key points

So now that we have established where the home automation or security alarm can be used as a fire alarm what are the key points that we need to know in order to comply with a grade C system?

  • The fire alarm system has to be defined by category and grade and documentation (sample certificates provided at the back of the standard) provided upon commissioning.
  • Battery life – section 15.4 specifically has notes relating to extended standby battery life of 72h (which is a greater requirement than a standard security system).
  • Sounders should comply with section 13 – notably 75 dB(A) at the bed head.
  • Control and indication – the standard suggests that grade C systems may have more sophisticated means of control comparable with grade A and B systems, its indicates that there is a need to ensure that the system is not compromised as a result of casual tampering with the control and indicating equipment (section 17.1). Further section 17.4 provides greater details of illuminated indicators and audible warnings.

In reality if you are using a home automation system as a fire alarm you need to read and comply with the whole of BS 5839-6:2004. As with any standard there are sections that are very clear and precise and others that are open for interpretation. BS 5839-6: 2004 does however clearly allow the use of systems other than fire alarms to act as fire alarms. This article is by no means comprehensive; we have provided an overview of what is possible. We strongly recommend that anybody looking at installing smoke / fire alarms using a home automation or security system as the main control and interface panel should obtain and comply with the recommendations of BS 5839-6:2004.

Household Automation Ltd has ongoing projects involving the installation of a variety of home automation equipment. We have used the Comfort home automation system as a fire alarm and can provide details of the types of system that would be appropriate for your home. The use of the Comfort system allowed the customer to set up dial out to his mobile (or tel number of his choice) as well as overall control from iPhone or iPad.

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Slimline smoke sensors

Home automation experts Household Automation Ltd have recently fitted recessed smoke sensors to a home in Surrey. The clients were very specific about the need to provide smoke sensors that were as flush to the ceiling as possible, they did not want to see the conventional large ugly smoke sensors that have become common place in most homes.

Household Automation Ltd designed the fire alarm around the Cytech Comfort home controller and used Hochiki smoke detectors with non-latching recessed mounting bases. The recessed mounting bases have a footprint similar in diameter to many conventional residential smoke sensors and use the standard Hochiki bases and heads. The recessed mounting bases are fitted by cutting a hole in the ceiling, when the smoke sensor is fitted it protrudes from the ceiling by no more than 10mm. We believe that this solution  offers one of the best aesthetic solutions to the problem of visible fire alarm detectors.

The main Comfort alarm panel is operated from the security keypad. Individual smoke heads are identified by name e.g. “Garage smoke”, “Kitchen heat”. Because of the flexibility of the Comfort controller the fire alarm signal is automatically sent to the auto dialer which contacts the telephone numbers programmed into it.

Access can also be gained over the ethernet via browser or mobile app. If required the Comfort controller can be directly connected to a monitoring station.

Part numbers:

  • Bases – YBO-R/6RN
  • Smoke sensor  – SLR-E3N
  • Heat sensor – DCD-AE3
  • Recessed kit – YBN-UA

Links:

www.cytech.biz
www.hochikieurope.com
The Panel

The Panel – A solution for the automation installer

Household Automation Ltd is always looking for ways to improve its service. We have come up with ‘The Panel’ a new approach to home automation installations.

Our most recent commission was for a KNX lighting solution with smartphone control for a London town house.

From the architects plans, discussions with the client and the site electrician we designed a KNX lighting solution that was delivered to site fully programmed and ready to be installed as a working set up.

The concept of ‘The Panel’ is not new, however, delivering fully programmed and operational equipment to site is, in practice, something that is not easy to do. The hardest part of ‘The Panel’ is obtaining ALL of the necessary information to be able to fully program before installation. However, this in itself offers the benefits of finding and sorting out any problems up front rather than on site at the end of a project.

In order to form a working solution not only is the KNX panel equipment such as; mains breakers, KNX power supply, KNX dimmers and relays and the web/smartphone server required but also all of the switches.

1st fix wiring is carried out by the site electrician who is provided with all documentation necessary, once the panel is powered he can physically test the circuits from the manual override switches on the front of the dimmers and relays.

The panel comes with full smartphone app, simply connect the server to the network, download the free app any you have full smartphone control of your lighting.

Summary

The Panel is undoubtedly the way forward for many hard wired home automation products, it offers the following major benefits:

  • Fixed cost – you know exactly what you are getting up front
  • Ease of installation – an ideal solution for the electrical contractor, less time on site and more attention to detail before final testing and the panel leaving the workshop.

As well as the KNX lighting equipment which formed the basis of this panel, Household Automation Ltd has projects involving KNX heating and other manufacturers equipment.

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Home Automation – Heating Controls Reduced Rate VAT To 5%

The importance of saving energy has never been greater and where better a place to start than with your heating control. If you can reduce your domestic energy consumption by introducing more sophisticated heating controls then now is the time to act. HMRC have reduced the rate of VAT down to 5% for the supply and installaton of heating controls. Depending upon what type of heating you have there are a number of measures you can take to ensure that your home has the correct level of heat throughout when you need it. By putting in place proper heating controls you can ensure that you have a more evenly spread heat throughout the house when it is occupied.

HMRC Energy saving materials Notice 708/6 is where you can find the detail of what can be 5%VAT rated. New buildings of course have their own VAT rating rules (explained in Notice 708 buildings and construction), here we are focusing on what can be 5% rated under energy saving. Heating systems (including heating and hot water systems) used in residential accomodation such as a houses, blocks of flats or other dwellings that include such items as electronic timers, thermostats, mechanical or electrical valves are covered by the 5% VAT notice. HMRC go further than this and explain that the installation (material and labour) is 5% rated and also that ‘acilliary (paragraph 2.3.2) supplies’ may be included. “An ancillary supply is a supply of goods or services that is a better means of enjoying the principal supply.” Not covered under notice 708/6 – replacement boilers, complete heating systems either replacement or new, adjustment of existing controls (paragraph 2.2 “Installation, in this context, means putting in place energy saving materials. This involves some process by which materials are permanently fixed in place”).

Getting back to plain English then – If at the residence you live in (there is a list (paragraph 2.16) it includes elderley care homes, hospices, monasteries, nunneries, student accommodation, self catering holiday accommodation, caravan homes, house boats) you are looking to make energy saving by introducing enhanced means of heating and hot water control then the likelyhood is that any work undertaken by your installer will be rated at 5% – a 15% saving to the customer!

We must point out that this article is based on our experiences to date and is in no way definitive ( you could make a career out of interpreting VAT documents). Of course every case is unique and we would recommend that if you are unsure weather a particular item can or cannot be zero rated then it is always best to contact the HMRC written referrals team direct.

How can heating controls save money?

Heating controls ensure that you have heating and hot water when you need it. Conversely they are also in place to ensure that your heating and hot water systems are NOT wasting energy when no one is in the property (or in a particular part of the property).

Most domestic heating control systems ‘call for heat’ i.e they switch the boiler on which heats the water. The heating control manages how often and when the boiler is being called for heat. Once it has the hot water in the system then it also manages how the hot water is distributed to the radiators or U/F heating. With electric heating the scenario is simplified because there is no heat store when you call for heat, you are basically switching the mains electricity on.

Your heating system will have time clocks that operate the boiler and hot water demand. It will also have (at least) a single thermostat that regulates the overall temperature of the house. In most cases the home owner can readily adjust these parameters. Heating control may also encompass heating modes, typically home, night, away and frost protect. These modes usually relate to a reduction in temperature from a set point value. So you have your set point at say 18 deg C, when you leave the house the heating is set to away mode and the actual temperature value that the heating system is trying to achieve is dropped by (say) 10 deg C.

Further savings can be made by providing zoned areas for heating. Where radiators are present this is best achieved by replacing conventional manual radiator valves with thermostatic radiator valves (TRV’s), this in effect provides each radiator with an element of individual temperature control. Where U/F heating or more sophisticated systems are required a separate room thermostat can be introduced.

Of course further saving can be achieved by having a central control system that allows access to all of the system components and thus the ability to control individual modes, timers and zones centrally.

Still further and potentially greater savings can be made if we know WHEN the home is occupied – what better way to tell than when the security system is set (or unset). This is where the benefits of a home automation system come into play as it is usually relatively simple to have your security system tell your heating system that the security has been armed – i.e that the house is unoccupied and that the heating temperature can be dropped down by 10 deg C. Similar results can be achieved with night modes and holiday (frost protect) modes.

With the advent of complementary new energy producing items such as solar power, heat pumps, wind turbines, the question of control becomes ever more important (and complex). Currently most energy solutions are installed with their own seperate controller. If the heating / energy management control can be treated as a single entity then the possibility exist for far greater savings to be made.

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Building Research Establishment (BRE) and Comfort (Cytech) Home Control

Household Automation upgrades BRE display facility.

Household Automation has recently had the privilege of providing the Building Research Establishment (BRE) with Comfort Intelligent Home equipment (from Cytech Technology Pte Ltd) to form part of a training and demonstration display at the BRE campus near Watford.

The task involved the integrating of the Comfort system with the existing KNX lighting & heating control within the Innovation Park Visitor Centre. The new facility allows control and monitoring of the KNX system across the campus computer network. Additional facilities were installed to allow control and monitoring of both the KNX and Comfort systems through the local telephone handset, and the new Cytech Comfort KP06 LCD keypad.

The Comfort Intelligent control system can be described as a system which can automatically run almost any facility within your property including monitored fire & security, access control, heating & lighting, blinds & curtains, irrigation, and voice messaging whilst providing the ability to control and operate the property through remote PC’s, iPads, or any telephone line or mobile in the world!

The versatility and configurability of the Comfort system places it far beyond the standard ‘Intruder and Hold-up Alarm System’, and the inclusion of the Cytech Logic Engine as standard has allowed us to install it as a means of providing logic for highly automated properties with iPad control, as well as providing logic for assisted living projects involving a number of bespoke requirements.

Basic features of the Cytech Comfort system include:

  • Fully featured security system suitable for Intruder and/or Fire detection
  • Property Automation facilities including interfacing (UCM) to all major brands
  • Telephone auto-answering with Voice-mail (digital answering machine with 15 minutes non-volatile messages).
  • Dialler capable of contacting up to 8 voice, pager, and CMS contacts.
  • 16 reminder messages which can be heard on keypads and telephones at programmed times
  • Highly customisable detection and response functions
  • Access control facilities

and from the Cytech Logic Engine:

  • Expandable to 64 Inputs and 64 outputs (using Local & Slave Expansion) PLUS! 120 digital inputs and 120 outputs via additional ‘Remote I/O modules’.
  • All Outputs can be programmed as On/Off, pulsed or as infra-red outputs (up to 250 IR codes).
  • ‘Remote I/O module’ Inputs can act as infra-red Receivers.
  • 32 time programs, 64 timers (for programmable delays).
  • Up to 1024 Programmable Responses which can be triggered by defined events.
  • Real Time Clock and Perpetual Calendar with Sunrise/Sunset times and automatic daylight saving.
  • External Interfaces for multiple systems concurrently and Bi-directionally, incl Rs232, Ethernet, USB, KNX, C-Bus, Dynalite, Lutron, Rako,Z-Wave, etc. (up to 8 for each installation)
  • Use of logic commands such as IF AND OR.

Household Automation Ltd has ongoing projects involving the installation of KNX and Cytech equipment.