11
Brightness actual value C1, C2
Both brightness actual values can be checked for monitoring
purposes.
To check, see the "Parameters via remote control" table.
Room correction factor C1, C2, brightness measure-
ment value C1, C2
The room correction factor is a measure of the different
brightness measurements at the ceiling and on the work
surface (the brightness value depends on the ambient
conditions).
2,5 m
2,5 m
Z1
Z2
theSenda B
oder Luxmeter
theSenda B
or lux meter
Room correction factor = Brightness value at the ceiling
Brightness value on the floor
The brightness measurement value at the ceiling is influenced
by the installation location, incidence of light, position of the
sun, weather conditions, the reflection properties of the room,
and the furniture. In order to be able to adhere to the requi-
red lux value in the desired area, a comparison of the bright-
ness measurements is necessary.
The measured lux meter value
below the presence detector
is sent to the detector via the remote control.
When sending the brightness measurement value, the room
correction factor of the corresponding lighting channel is
automatically adjusted to the conditions inside the room.
Two different procedures can be selected for the comparison.
SendoPro and lux meter
Dim all lights to maximum power. If possible, lower the
blinds.
Place the lux meter on the work surface under the sensor.
The measured lux value is entered via the <Brightness
measurement value C1, C2> SendoPro parameter.
During lux measurements, observe the distances shown in
the diagram. Carry out all measurements on the floor.
Using only zone 1: place the lux meter during the bright-
ness measurement in zone 1 (approx. 2.5 m away from the
detector).
Using only zone 2: place the lux meter during the bright-
ness measurement in zone 2. (approx. 2.5 m away from the
detector).
Using zones 1+2: place the lux meter in the middle.
•
The room correction factor is calculated from this. Values
between 0.05 and 2.0 are permitted. Calculated or ente-
red values outside the permitted range are automatically
set to the appropriate limit value.
•
The calculated room correction factor is adopted. The
room correction factor can be checked via the <Room
correction factor C1,C2> parameter for monitoring pur-
poses. The default value is 0.3.
theSenda B and the "theSenda Plug" app
Connect the theSenda B with the corresponding theSenda
Plug app.
Select the appropriate detector type and load the parame-
ter set.
Select the <Brightness measurement value C1, C2>
parameter.
Using the theSenda B remote control
Set up the theSenda B according to the drawing, and move
a few steps away from the measurement location, so the
lux measurement will not be influenced.
Press OK.
▻
A new window with the measured brightness measu-
rement value is shown. If you would like to apply this
value,
Press OK.
Important
: Press the send button ( ). After this, the
brightness measurement is calibrated.
Using the lux meter
Set up or align the lux meter according to the drawing, and
read the lux value.
Press "Enter" in the app.
▻
A new window opens.
Enter the lux value and press OK.
▻
The brightness measurement value appears in the
display.
Important
: Press the send button ( ). After this, the
brightness measurement is calibrated.
•
For the room correction factor, see SendoPro and the lux
meter...
Switch on dimming value C1, C2
In switching mode and in the constant light control function,
the lighting is switched on with the switch-on dimming value.
Value range (with SendoPro/theSenda B/app)
Switch on dimming value C1, C2
30–100%
Configuration type C1/C2
Fully automatic device: the lighting is switched on and off
automatically (based on presence, absence and brightness).
SendoPro/theSenda B/app
auto
theSenda P
Button A
Semi-automatic device: the lighting must always be switched
on manually. It is switched off automatically by the presence
detector (based on absence or brightness).
SendoPro/theSenda B/app
man
theSenda P
button
IR group address C1, C2
This parameter is applied when using the theSenda S or
theSenda B.
A group address can be assigned to lighting channels C1 and
C2. The group addresses in the detector can be programmed
with the SendoPro, theSenda B/app or theSenda S.
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