✎ en:hotel:hardware:lud12-iq []

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====== Light dimmer ======

**Universal 230 VAC light driver**

</WRAP>

===== Applications =====

* Dimming all 230 VAC dimmable lights

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===== Features =====

* Automatic load detection
  * Electronic overload protection
  * Over-temperature shutdown

===== General description =====

Activation takes place from the [[en:hiq_hw:ld-p4-iq|LD-P4-IQ]]. The output voltage is adjusted from 0-100% depending on the [[en:hiq_hw:ld-p4-iq|LD-P4-IQ]] command.
The activation terminals X1/X2 in the LUD12 are isolated from the mains voltage by an optocoupler.
Automatic load detection, electronic overload protection and over-temperature shutdown are active and independent from activation.

===== Technical specifications =====

| Supply voltage                   |                                             230 VAC|
| Output power:                                                                        ||
| Incandescent lamps 230V (R)      |                                               400 W|
| Halogen lamps 230V (R)           |                                               400 W|
| Inductive transformers (L)       |                                               400 W|
| Capacitive transformers (C)      |                                               400 W|
| Dimmable energy saving lamps ESL |                                               400 W|
| Dimmable 230V LED lamps          |                                               400 W|
| Parameters for PWM activation:                                                       ||
| Frequency:                       |                                               100Hz|
| Duty cycle:                      |  0 (= OFF) linear up to 90% (= full output voltage)|
| Level:                           |                       10-24 volts (e.g. PLC output)|
| Activation current:              |                              1mA (10V) to 3mA (24V)|
| Connection polarity:             |  X1 = +, X2 = - (GND), polarity reversal protection|
| Isolation:                       |                                      by optocoupler|

===== Terminals =====

| LD-P4-IQ common ^  X1  | PWM intput || Light output               ^ {{  hiq_hardware:l.png?nolink  |}} | Lamp live                     | 
| LD-P4-IQ output ^  X2  | :::        || Light power supply live    ^  L                              | Lights power supply           |
|                 ^      |            || Light power supply neutral ^  N                              | Neutral power supply and lamp |

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