Helvar Lighting Controls 2013/14

Imagine Input Unit (942)
The Input Unit is an interface allowing customer-specified
switches, sensors and time clocks to be incorporated into
Imagine and DIGIDIM Router systems. It has 8 volt-free
switch inputs which can be momentary or latching. Inputs 1 -
4 may be configured as 0 - 10 V analogue inputs.
Key Features
• Status led
• Can be used with momentary or latching switches
• Can be used with 0-10 V analogue devices
• DIGIDIM / DALI
Note: Compatible with 905, 910 or 920 Routers.
Technical Data
DALI consumption: 10 mA
Ambient temperature: 0…35 °C
Relative humidity: 90 % max, non-condensing
Storage temperature: -10 °C…+70 °C
Isolation:
4 kV
Voltage-free Switched Inputs
Overload protection: ±35 V
Short-circuit current: 0.5 mA maximum
Dimensions
45 mm
90 mm
Analogue Inputs
Input range:
Over voltage protection:
Input impedance:
0-10 V
±15 V
7.5 kΩ
70 mm 58 mm
DIN-rail case 4U-wide. Weight 110 g
Product Order Code: 942
Connections
max. 50 m
1 2 3 4
5 6 7 8
COM
10V
942
0V
1 2 3 4
COM
0-10V
DA+
DA-
DALI
0V-10V
0V
max. 50 m
The screen (SC) connection must be
connected to earth to ensure correct
operation.
DA+
DALI
DA-
64
Helvar | Data is subject to change without notice. More information at: www.helvar.com
REF 23 036 1 02/08/2013