Motion Control unveils DMD556 microstepping drive
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Motion Control Products product story
Edited by the Engineeringtalk editorial team
Jun 3, 2009
Motion Control Products has released the DMD556: a next-generation digital microstepping drive that brings audio noise reduction and smooth low-speed performance to stepper motor operation.
The DMD556 offers motor speeds to more than 3,000rev/min, with servo-like performance.
Its performance comes from its 32-bit DSP processor and associated control algorithms.
These achieve smooth performance at low speeds by minimising fluctuations from the desired motor speed, according to the company.
The DMD556 can also calculate the natural system frequency and apply a damping function to eliminate resonance.
Motion Control claims that this yields higher speed and better motor performance, optimises torque and eliminates mid-range instability.
By cutting stepper motor heating losses, the driver is intended to bring energy-saving benefits together with reduced maintenance costs.
System setup is said to be fast and simple as a result of the DMD556's motor auto-tuning and parameter auto-configuration technology.
This allows automatic compensation for the characteristics of any motor connected to the drive.
The motor can be sized from 1.7 NEMA to 3.4 NEMA in diameter, owing to an input-voltage coverage and a programmable output-current range from 0.5A to 5.6A.
Either two- or four-phase motors can be connected.
The drive has a programmable resolution, from full step to 102,400 steps per revolution.
The DMD556's multi-step function allows the full microstepping resolution to be applied to a standard 200-step motor, so that system performance becomes smoother.
The product is suitable for applications requiring smooth operation at low speed and performance at high speed.
Typical examples include laser cutters, laser markers, high-precision X-Y tables, labelling, packaging and engraving machines, textile equipment and pick-and-place devices.
Over-voltage, over-current and phase-error protection is provided as standard.
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