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      Click to enlarge. Images representative | DIM11MW - Selectable Dimmer or RelayPWM Lamp/LED dimmer module, 12V or 24V, 10A (120W at 12V, 240W at 24V). Controlled by a single momentary pushbutton switch. One-touch dimming or on/off control.Features:
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| Overview | Specification | Related Products |
The DIM11MW is a low voltage 12V or 24V PWM lamp and LED one-touch dimmer module controlled by a single external momentary switch. The unit can be used as a PWM dimmer or as a current-limited solid-state relay.
The module operates from a 12V or 24V supply (9-32V operating range) and can control up to 10A (120W at 12V, or 240W at 24V) of LED, tungsten or halogen lighting.
Connections to the DIM11MW are shown in the Connection Diagram secion. The Control input (green wire) should be switched to positive through a suitable momentary pushbutton switch (available separately), and the Mode input (orange wire) controls the operating mode of the unit and should be connected appropriately during installation.
Orange wire unconnected:
A brief press of the switch will toggle the lamp on or off. No dimming or soft start is performed.
Orange wire connected to +Supply:
A brief press of the switch will toggle the lamp on or off, and a sustained press will cause the lamp brightness to ramp up or down for as long as the switch is held, repeating until the switch is released at the desired brightness level. When the lamp is turned on the previously stored brightness level is retrieved. The level can then be adjusted with a sustained press of the control switch. When the lamp is turned off, or when power to the module is lost, the current brightness setting is stored for retrieval next time.
Regardless of the Mode input, the last-saved brightness level and on/off state are recalled when power to the unit is first applied. This ensures the current brightness level is not lost when power is removed, and any power glitches to the unit will not cause the lamp to suddenly change brightness or state.
In addition, the brightness ramp direction swaps between switch presses - that is, if the brightness is currently increasing, the next sustained press of the control switch will cause the brightness to decrease. This allows the user to adjust the brightness accurately and quickly.
The Control pushbutton can be any momentary pushbutton switch, or relay contact. The DIM11MW is supplied without a switch, and a selection of pushbuttons is available separately from Abeltronics.
DIM11MW Specifications
| Parameter | DIM11MW | Comment |
|---|---|---|
| Datasheet | ||
| Nominal Supply Voltage Range | 9 - 32 V DC | |
| Peak Supply Voltage Range | 5.5 - 40 V DC | Operation not guaranteed |
| Output Type | High-Side Positive | |
| PWM Switching Frequency | 240Hz, 0% - 100% Duty Cycle | +/- 3% |
| Maximum Load Current | 10A | |
| Non-Sustained Peak Output Current | 30A | < 3sec |
| Maximum Load | 120W (12V), 240W (24V) | |
| Control Input Type | Single Switch | |
| Quiescent Current, max | 14mA | No-load operating current at maximum operating voltage |
| Efficiency | >97% | |
| Ingress Protection (IP Rating) | IP68 | |
| Electrical Connection | Wire-ended, 5x 30cm | |
| Enclosure Style | Epoxy Potted ABS |
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