Helvar Lighting Controls 2013/14

Input Unit (440)
The Input Unit is a fully DALI-compatible interface, designed
to allow customer specified switches, sensors, time clocks or
other on/off control devices to be incorporated into a DIGIDIM
lighting control system. It has 8 volt-free inputs which may
be either momentary or latching, permitting the selection of
DALI commands.
Key Features
• Status LED
• Out of box operation
• Physical/Mode selection switch
• Can be used with momentary or latching switches
• DIGIDIM / DALI
Note: Not compatible with 905, 910 or 920 Routers.
Technical Data
DALI consumption: 10 mA
Overload protection: ±35 V
Short-circuit current: 0.5 mA maximum
Debounce period: 50 ms
Ambient temperature: 0…40 °C
Relative humidity: 90 % max, non-condensing
Isolation:
4 kV (from DALI)
Dimensions
45 mm
90 mm
70 mm 58 mm
Product Order Code: 440
DIN-rail case 4U-wide. Weight 110 g
Connections
* 50 m max cable length
DA+
DA-
DALI
The screen (SC) connection must be
connected to earth to ensure correct
operation.
DA+
DALI
DA-
Helvar | Data is subject to change without notice. More information at: www.helvar.com
REF 23 034 1 02/08/2013 61