Working on... domotics - Danilo Nardi

1. Domotics
(Bticino-Legrand components)
PAU
Lycée Saint-Cricq
30-Jan ÷ 5-Feb 2016
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What is Domotics?
 In your opinion?
http://it.padlet.com/decibel/mt

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Domotics
 Domotics is the study of
applications of informationapplications of information
technology to createtechnology to create
intelligent homeintelligent home
environmentsenvironments.
 French Journalist Bruno deBruno de
LatourLatour coined the term
domotic in 1984 as a
composite of the Latin word
domusdomus and informaticsinformatics. In
the 1990s the term was
introduced in Spain and Italy
as "DomóticaDomótica". It literally
means intelligent houses,
through the use of
automation technologies and
computer science.

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House network
 Domotics and home automation
means that systemssystems talktalk to eachto each
otherother for improved convenience,
efficiency and safety.
 Domotics for elderly and disabled
people is referred to as HomeHome
assistive technologiesassistive technologies.

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Which systems?
 HVAC
 Lighting
 Audio-visual
 Security
 …
 Computers

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System elements
Home automation systems include the following
types of devices.
 SensorsSensors to measure or detect things like
temperature, humidity, daylight or motion.
 ControllersControllers such as a PC or a dedicated home
automation controller.
 ActuatorsActuators such as motorized valves, light switches
and motors.
 BusesBuses for communication that can be wired or
wireless.
 InterfacesInterfaces for human-machine and/or machine-
to-machine interaction.

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bticino MY HOMEMY HOME
Automation system
 IPIA Sassari is
a bticino
partner
 We have a
project for
elderly and
disabled
people

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Bus
Compared to the devices of a conventional
electrical system, Automation devices
have an electronic circuit with a
programmable logic and are connected in
parallel with a:
 2-conductor Bus cable2-conductor Bus cable for sending
information and with low voltage (27 Vd.c.)
electric power.

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Controls
 Connected only to the Bus cable;
To the bus (27Vdc) To the bus (27Vdc) To the bus (27Vdc)

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Actuators
 Connected
both to the Bus
cable and to
the 230 Va.c.
power line for
managing the
connected load
To the bus (27Vdc)
Load 1 (230 Vac)
Load 2 (230 Vac)

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General scheme

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Network?
ActuatorsActuators cloudcloud
1
2
3
4
5
…
Controls cloud
1 2
3
4
5
…
5
6
7
BUS

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Almost a computer network!
 Computers can talktalk to each other
because they have a unique net
address

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How to send a command?
 ControlsControls sends a command to the
bus with the address of the right
actuators…actuators…
The address is something like this:
 A = 1A = 1 (A  Ambient)
 PL = 1PL = 1 (PL  Light point)
 Different programming approachs:
Point to pointPoint to point, AmbientAmbient, GroupGroup

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Point to point

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Ambient

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Group

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How could we turn on lights remotely?
(Systems Lab at Sassari)
 We have to follow instructions at
the MORE web site:
http://www.iispellegrini.it/MORE/2015/12

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What are we doing?

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Thank you for your attention!