Designed for medical devices, scientific and optical instruments, embedded automation applications, and other small-footprint devices needing dual-axis motion control, this system is designed to work quickly off-the-shelf in miniature applications. It is small, at 1.6 inches (40 mm) square, and provides up to 2 amps drive current for one axis and up to 1 amp for the second, with an optional second stepper or bi-directional dc driver daughtercard. The EZHR17EN can microstep up to 1/256 steps, while the daughtercard can microstep up to 1/16 steps. Even first-time users can get a stepper motor moving as commanded in 30 min or less. Commands can be issued from any serial terminal program or from the EZ Stepper Windows program, but the EZHR17EN also works as a standalone unit, preprogrammed with commands to execute on powerup.
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Thanks to embedded electronics, medical devices are getting smaller and smarter than ever. Pacemakers and implantable defibrillators are now able to call physicians. MRIs, CT scanners, and ultrasound machines are gaining mobility. And the venerable Band-Aid may soon be able to detect illnesses ranging from fevers to heart arrhythmias. On February 21, join Design News senior editor Charles Murray for a wide-ranging discussion, "Embedded Angles for Medical Products," which will explore the latest developments in medical electronics. The discussion will examine advances in medical device technology and offer an inside look at the embedded electronics behind it.
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