Helvar Lighting Controls 2013/14

Switch Interface Unit with LED Tellback (445)
The DIGIDIM 445 is a very compact interface unit suitable for
the conversion of 3rd party switches or button panels, to be
compatible with a Helvar lighting control system. The unit
provides four switch inputs for use with volt free contacts,
and four LED output drivers for indicator LEDs. The compact
design means that the unit can be mounted within a 3 rd party
switch/button module or back box.
Key Features
• Compact design
• 4 Switch inputs
• 4 LED Driver outputs
• DIGIDIM / DALI
Technical Data
DALI consumption: 15 mA
Overload protection: ±7 V
Short-circuit current: 0.5 mA maximum
Debounce period: 50 ms
Isolation:
No isolation from DALI network:
Switches must provide user protection
LED output:
5 V source, 1 kΩ source impedance
Ambient temperature: 0…40 °C
Relative humidity: 90 % max, non-condensing
IP rating: 00
Dimensions
23 mm
30 mm 14 mm
Product Order Code: 445
Weight 10 g
Connections
Switches
LED feedback
* Also common cathode
connection possible, please refer
to 455 documentation
DALI
DA+
DA-
DALI
DA+
DA-
Helvar | Data is subject to change without notice. More information at: www.helvar.com
REF 23 050 1 02/08/2013 63