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L-DALI User Manual
266
LOYTEC
Version 5.2
LOYTEC electronics GmbH
relinquish will only take place if the lights are on. If they were switched off manually,
the controller does not return to automatic mode when the area turns unoccupied.
Control Mode
The CONTROL mode has to be selected if the installed light sensor measures the outdoor
illumination. The constant light controller receives the current outdoor lux level via the
input network variable
nviLuxLevel
and sets the lamp level (from 0% to 100%) accordingly
(see Figure 220).
Figure 220: Control Mode
The configuration property
nciStep
ensures that the light level does not change abruptly. Per
second the light level is not changed more than the percentage value defined by this
configuration property. When the light is switched on or off,
nciStep
is not taken into
account.
To ensure that the setpoint is reached under all weather conditions, the control curve shown
Figure 220 has to be adjusted by calibrating the constant light controller. The calibration of
the constant light controller is best performed with the LINX Configurator software (refer to
Section 7.6.3).
The control mode is available in different flavors:
With our without occupancy sensor
: If an occupancy sensor is installed and the room
becomes unoccupied, the current light level is saved and the light is dimmed to
unoccupied level (see Section 8.2.8.8). If the room becomes occupied before the light
has reached the unoccupied level, the saved light level is restored.
With automatic relinquish
: Any manual override will be automatically relinquished
when the room becomes unoccupied. In a special bedroom mode the automatic
relinquish will only take place if the lights are on. If they were switched off manually,
the controller does not return to automatic mode when the area turns unoccupied.
Presence Mode
The PRESENCE mode has to be if the constant light controller shall operate as occupancy
controller. In this mode the light is switched to the value
nciPrimeVal
if the room is
occupied and to the unoccupied level (see Section 8.2.8.8) once the room becomes
unoccupied.
If the network variable input
nviLuxLevel
is bound, the light is switched to the value
nciPrimeVal
only if the lux level is below
nciLuxSetpoint
and the room is occupied.
The presence mode is available in different flavors: