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AS3166KT - Bidirectional DC Motor Speed Controller

Ability Level 3: IntermediateProduct Formats Available: Pre-Assembled Module (AS) or
Self-Assembly Electronic Kit ( Soldering Required)

Control the speed of a DC motor in both the forward and reverse direction, from fully OFF to fully ON in either direction, using the single potentiometer. Uses a pseudo pulse width modulation technique for maximum motor torque.

This system eliminates the danger of damage to both the control board and motor that is associated with sudden voltage reversals possible in boards that have just a simple DPDT polarity switch. With our controller, turning the pot in one direction causes the motor to start spinning. Turning the pot in the other direction causes the motor to spin in the opposite direction.

Voltage: The kit and motor use the same power supply. Since the maximum operating voltage of the MOSFETs is 32V dc then this is also the maximum voltage available to run the motor.

Current: The maximum current for this board (as supplied) is 5A. This is governed by the PCB tracks that run from the MOSFETs pins to the screw terminal blocks and the size of the heatsinks supplied. This can however be increased to a maximum of 10A by soldering wire links along the PCB tracks. You would also need to improve the heatsinks/cooling. You can experiment (at your own risk!).

PRODUCT SELECTION NOTES: The motor controller should have an output load capacity at least 25% above the motors peak power requirement. Please do NOT rely on motor rating plates for power consumption figures as they often quote average not peak power. You should verify the actual peak power at start-up and under full load before selecting an appropriate size motor controller.

Specifications
Board / motor voltage5 - 32V dc max.
Motor current5A (see documentation for full details)
Board dimensions93L x 42W x 28H mm
EnclosureWCAH2851
Control KnobKB0410
Board connectionsScrew terminal block
Product FormatSELF-ASSEMBLY Electronic Kit (KT) or
PRE-ASSEMBLED Electronic Module (AS) Product Formats Info
DocumentationUser Manual
Magazine Review
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