3
- General brightness evaluation:
The current brightness can be determined by the internal
brightness sensor, by an external communication object or
by both dependencies. The relationship between internal
and external values can be parametrised while doing this.
Communication objects
You can select the following communication objects:
General:
Parameter
For actual value correction you will need a luxmeter. The
measured values are then input into the application software
of the presence detector.
When intense sunlight is shining onto the reference area or
the installation location, the measurements should not be
taken. Under certain circumstances darkening the room may
improve the measurement results.
- Movement block
Basic function of a movement block
A staircase timer is "integrated" into a movement block.
When the ambient brightness is too low
and
a movement is
detected, the movement block transmits an ON telegram to
the bus. When no further movement is detected the staircase
timer starts. An OFF telegram is transmitted to the bus after
a parametrised time.
Brightness is measured
only
at the moment when the first
movement is detected. If further movement is detected, an
OFF telegram is
not
transmitted, irrespective of brightness
changes. The staircase timer starts only when movement is
no longer detected, and an OFF telegram is transmitted after
the parametrised time period.
Block configuration
Up to five movement blocks are available. In the default
setting, block 1 is enabled.
Parameter
Movement detection
The device has a detection angle of 220°.
To suppress disturbance variables or if delayed activation is
required, a dead time for the start of movement can be
activated. The dead time is started after movement has been
detected (start of movement). The start of movement action
(transmitting a telegram to the bus) can take place if a
movement is still detected within the movement time after
the dead time has elapsed.
In master mode or normal mode the movement time
corresponds to the staircase timer in the diagram above. In
slave mode or monitoring mode the movement time
corresponds to the cycle time. In practice a large number of
applications can be implemented by means of the various
blocks.
Block diagram of movement block
A block diagram clarifies the relationships between the
individual dependencies.
General
Parameter
Setting
Safety pause via status feedback
object
Disabled
For OFF telegram
For ON and OFF telegram
Safety pause (1 - 20) seconds
1-20, preset:
2
Function
Object name
Type
Prio
Flags Behaviour
External
sensor
Actual value input
2 bytes Low
WCT
U
Transmit/
receive/
update
General
Parameter
Setting
Actual value (brightness)
From internal sensor
From object, actual value input
From internal sensor and object
Taking the separately measured lux
value (0% - 100%) into account
0% - 100%, in 5% steps;
preconfiguration
50%
Block configuration
Parameter
Setting
Movement block X
Enabled
Disabled
ON
OFF
S
w
itc
h
object
Mo
vement
Time
Time
Dead
Time
Movement
Time
Dead
Time
Movement
Time
Movement
Time
Movement
Time
