Lighting MAnAgEMEnt SYStEM - OMS lighting

Communication interfaces
and buses
DALI control
Analog control 1–10 V
Analog control 0–10 V
DSI control
DMX control
Manual switch control
Control phase
Thyristor / transistor
dimming
Manual switch control
(Switch phase)
This is one of the oldest and most widely
used types of control which is facilitated
via a simple wall switch which connects
and disconnects the power supply to the
system.
The advantage of this kind of control is
that it is not necessary to add an additional
phase. This control method is now out of
date and users are much more inclined
towards intelligent control methods. The
main reason for this is the lack of any saving
potential associated with manual switched
control, and of course a lack of comfort
and the inability to use control devices such
as sensors (except switching sensors) or remote
control, etc. Lighting is either on or
off and must be manually controlled by the
user.
Control phase
(touch DIM, switchDIM)
This type of control is a simple method
that only requires luminaires to be
equipped with dimmable electronic control
gears.
It is not necessary to use any kind of
digital control elements such as DALI or
DMX. A standard push button is all that
is required to control the luminaires in this
kind of system. The control gears used
for the luminaires must be equipped with
touch DIM or switchDIM; most dimmable
electronic control gears come as standard
with this functionality. An unlimited number
of push buttons can be used as control
devices, however all luminaires in the system
will be controlled as one group as with
DSI. Control is simple. A short push of the
button for a period shorter than 0.5 seconds
either turns the system on or off. A
longer push of the button for a period of
time longer than 0.5 seconds will dim the
luminaires from 1–100 %. Each subsequent
pressing of the button will have the opposite
effect as the previous, for example, if
the button is pushed for several seconds
and the luminaires reduce their light output,
when the button is pushed again for
several seconds, the luminaires will increase
their light output.
When the system is switched on for the
first time, or if a damaged electronic control
gear has been replaced, the luminaires
can be unsynchronised and have different
light outputs. To resolve this issue we must
use so-called synchronisation. Each manufacturer
uses a different method, so it is
necessary to use the same control gears
for all luminaires so that they can all be
synchronised by the same method. One
method is to push the button for a period
longer than 10 seconds after which all the
luminaires will automatically dim to 50 %
luminous flux. Another method is to use
various combinations of short and long
pushes of the button, or double clicks.
Single core cable is used for this type of
installation, with a diameter of 1.5 mm 2 .
Remote control
PowerLine AC
PowerLine DC
L
N
PE
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L‘
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PE
L‘
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DA+
DA–
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DA–
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L‘
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STANDARD
SWITCH
PUSH BUTTON
LUMINAIRE LUMINAIRE LUMINAIRE
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N
PE
DA+
DA–
DALI
CONTROL GEAR
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DA+
DA–
DALI
CONTROL GEAR
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DA+
DA–
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DA+
DA–
DALI
CONTROL GEAR
LUMINAIRE LUMINAIRE LUMINAIRE
Block scheme of the switch phase connection
Block scheme of touch DIM connection
66 I Communication interfaces and buses
Communication interfaces and buses I 67