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Low cost motor controller includes safety features

18 May 2013

DeltaSense's new low cost DCC-20 controller for 24V brushed dc motors offers a range of safety features, including over- and under-voltage, over-temperature and an audible alarm.

The unit provides smooth speed control and is intended for variable speed regulation of motors up to 750W, although fixed speed operation is also possible. Bi-directional operation is provided by a 30A power relay, which can also operate the braking function by shorting the motor.

The DCC-20 is an extremely robust product in a die cast aluminium enclosure suitable for almost any location. The electronics are sealed with resin for maximum protection and user connections are available through terminals inside the box. It can also be supplied in an open framed version.

The 'plug and play' device runs from a 15-30V DC supply and has two analogue inputs, which can be operated at 0-5 or 0-10V ranges. A 5V supply is provided at the terminals for the simple connection of potentiometers, joysticks and other auxiliary equipment. There are also four digital inputs, which can be selected to be normally high or normally low.

Simple to use, but highly efficient in operation, the unit has a 15kHz power MOSFET output which ensures silent operation over the full current range of 1-30A.

The DCC-20 is supplied as a standalone product or can be customised for OEM applications. A version for 12V motors is also available.


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