Thiết bị đầu vào Helvar - 444 Mini Input Unit

Connections

Inputs:

4 inputs (active low)COM Input Ground

Overload protection:

± 7 V

Short-circuit current:

0.5 mA maximum

Debounce period:

50 ms

Voltage-free switched inputs:

5 V nominal with switch open, must be less than 0.3 V with switch closed.

Isolation:

No isolation from DALI network:switches must provide user protection.

Cable requirements

DALI:

DALI Ribbon cable terminated with 1.2 mm ferrules.

Cable length

170 mmCaution: Do not increase the length of the wires. This can cause interference problems.

Power

DALI supply output:

None (Use external DALI power supply.)

DALI consumption:

10 mA

Mechanical data

Dimensions:

Encapsulated printed circuit board

Weight:

10 g

IP code:

IP20

Mounting:

For installation in a suitably enclosed location only.

Operating conditions

Ambient temperature:

0 °C to +40 °C

Relative humidity:

Max. 90 %, noncondensing

Storage temperature:

−10 °C to +70 °C

Conformity and standards

EMC emission:

EN 55015

EMC immunity:

EN 61547

Safety:

EN 61347-2-11

Environment:

Complies with WEEE and RoHS directives.