LD-V4-IQ []

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====== LD-V4-IQ ======

**4 channel 12/24V constant voltage PWM dimmer**

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| Model number: ^   LD-V4-IQ                         |
| Mounting:     | in-field, junction box or dry-wall |
| Dimensions:   | 108×86×45.5mm                      |

===== Applications =====

  * 4 individual single color LED stripes
  * RGB+W LED stripe

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===== Features =====

  * button or potentiometer input
    * auto-detect input type
    * potentiometer auto-range
    * Brightness/saturation/hue control in RGB mode
  * RGB mode
  * exponential output control
  * high frequency PWM operation
  * channel phase spreading
  * full output protection

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

The LED dimmer LD-V4-HIQ is 4 channels PWM dimming controller for voltage controlled LED lights or ribbons. It can be used for 4 individual LED stripes or for RGB (+W) stripe. 
LD-V4-HIQ supports local control buttons or potentiometers connected directly to it, which can be mixed and are auto-detected.
For more natural feel and smoother transitions outputs are exponentially controlled with resolution of 0,025 %. High PWM frequency (500 Hz) and channels spreading prevent flickering, reduces EMI noise and considerably increase power efficiency, while preventing eye-strain or headache.

All outputs are fully protected against over-voltage, under-voltage and over-current.
Many features are available in the stand alone mode, while advanced features like scenes, scheduling, smartphone operation, internet connection are only available when connected to the appropriate Home Controller.

===== Technical specification =====

| Total output power        |                240 W @ 12 V |
| :::                       |                480 W @ 24 V |
| Total power loss:         |               2 W @ 3×6,7 A |
| Max current per terminal: |                        10 A |
| PWM frequency:            |                      500 Hz |
| Output resolution:        |                      12-bit |
| Digital inputs:           |   internal pull-up 12 V, 2 mA |
| Analog inputs:            |    10k / 1-10 V; auto-range |
| Potentiometer inputs:     |                        10 k |
| LED power supply:         |        12 / 24 V (10..28 V) |
| Power supply:             |                24 V / 25 mA |
| Operating temperature:    |                    0..45 °C |
| Storage temperature:      |                  -20..75 °C |
| Relative humidity:        |                 0..95 % n/c |
| Galvanic separation:      |              supply/outputs |


^   Maximum current   ||
|  Output  |  Supply  |
|  1x10A  |  1x10A  |
|  2x10A  |  2x10A  |
|  3x6.7A  |  2x10A  |
|  4x5A  |  2x10A  |

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===== Terminals =====

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| LED stripe 3 / White RGB stripe ^  LED3/W   ^  +  | LED 3 / W PWM output          |
| :::                             ^ :::       ^  -  | :::      		            |
| LED stripe 2 / Blue RGB stripe  ^  LED2/B   ^  +  | LED 2 / B PWM output          |
| :::                             ^ :::       ^  -  | :::      		            |
| LED stripe 1 / Green RGB stripe ^  LED1/G   ^  +  | LED 1 / G PWM output          |
| :::                             ^ :::       ^  -  | :::      		            |
|                                                                                ||||
| LED stripe 0 / Red RGB stripe   ^  LED0/R   ^  +  | LED 0 / R PWM output          |
| :::                             ^ :::       ^  -  | :::      		            |
| LED power supply                ^  +12/24V  ^  .  | LED PWM outputs power supply  |
| :::                             ^ :::       ^  .  | :::              		    |
| :::                             ^    0V     ^  .  | :::       	            |
| :::                             ^ :::       ^  .  | :::      		            |
|                                                                                ||||
|                                                                                ||||
| LED 3                           ^    IX3    ^  +  | Digital/analog input 3        |
| Push-buttons common             ^     C     ^  -  | Digital/analog inputs common  |
| LED 2 / RGB saturation button   ^    IX2    ^  +  | Digital/analog input 2        |
| LED 1 / RGB color button        ^    IX1    ^  +  | Digital/analog input 1        |
| Push-buttons common             ^     C     ^  -  | Digital/analog inputs common  |
| LED 0 / RGB brightness button   ^    IX0    ^  +  | Digital/analog input 0        |
|                                                                                ||||
|                                                                                ||||
| IEX2 BUS                        ^    +24V   ^  .  | IEX2 bus                      |
| :::                             ^    CANH   ^  .  | :::                           |
| :::                             ^    CANL   ^  .  | :::                           |
| :::                             ^    GND    ^  .  | :::                           |


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===== Wiring diagram =====

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{{hiq_components:ld-v4-iq_wiring.png}} 

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