The DIM11 is a low voltage 12V or 24V PWM lamp and LED one-touch dimmer module controlled by a single external momentary switch.

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 DIM11 are shown in the Connection Diagram secion. The Control input should be switched to positive through a suitable momentary pushbutton switch (available separately). This single switch completely controls the dimmer operation: 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.

The Mode input controls the operating behaviour of the unit and should be connected during installation. Leaving the Mode terminal unconnected, when the lamp is turned on by a brief press of the control switch it will operate at full brightness. The brightness level can then be changed by a sustained press of the control switch. The lamp will revert to full brightness when the lamp is turned off and back on again.

With the Mode input connected to the +Supply terminal, 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 DIM11 is supplied without a switch, and a selection of pushbuttons is available separately from ABELtronics.

DIM11 Specifications

Parameter	DIM11	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 Output 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
Operating Temperature Range	-5 - 70°C (23 - 160°F)
Dimensions	52 × 52 × 31mm	L × W × H excl. fixings
Mechanical Fixing	2× 5.2mm dia, 20mm pitch
Electrical Connection	4mm2 rising clamp terminal block
Enclosure Style	Epoxy Potted ABS

DIM11 Typical Connection Diagram

DIM11 Dimensional Drawing

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