278 / 430
6.6
General Catalogue • tebis.KNX
Light Sensitive Switches
Light sensitive switches are used
for automatic control of indoor
and outdoor lighting or for the
control of blinds, or curtains
or shutters according to ambient
lighting.
Energy Saving
Maximises natural light resulting
in energy savings.
Principal Applications
• Residential building - outdoor
lighting
• Commercial and industrial
sector - classrooms, offices,
windows, car parking, etc.
Comfort
Light sensitive switch will avoid
excessive light or will limit
overheating of the premises by
appropriately managing shutter
or blind operation.
Assembly
Light measurement is carried out
with the help of a photo resistive
cell connected to the product.
The cell has two versions:
• Flush mounted ref. EE002
• Surface ref. EE003
Note: Switch and cell are
required.
Installation
Programming is carried out by
configuration device TX100GB
via media coupler or by ETS.
For technical details see page
6.28.
Light Sensitive Switch
Control of indoor or outdoor lighting circuits (ON, OFF, Dimming) as well as the blinds, curtains or
shutters according to the ambient light.
Measures ambient light via cell EE002 or E003 and transmits control command when preset level is
reached. The information of the cell connected on TXA025 can be shared via Bus with several other
TXA025. This makes several levels of regulation possible.
Description
Supply
Width
Cat ref.
2 Sensitivity Ranges: 2 to 200 lux, 200 to 20000 lux.
Bus 30V DC 2 Mod
TXA025
Modes: Auto / Manual / Test.
Potentiometer for level setting LED for set point
crossing indication.
Max. distance between cell and TXA025: 100m
(delivered without cell).
Photo Resistive Cells for TXA025
Description
Cat ref.
Flush Mounted Cell has 1m, 2 x 0.75mm
2
Cable
EE002
Surface Mounted Cell has 4m, 2 x 0.75mm
2
Cable
EE003
EE002
TXA025
EE003