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Servo drive tackles military, harsh setups

Posted: 24 Oct 2007 ?? ?Print Version ?Bookmark and Share

Keywords:servo drive? protection circuits?

Copley Controls Corp. has extended its XENUS offline servo drive's temperature, humidity, vibration and shock ranges to meet military commercial-off-the-shelf (COTS) requirements including Mil Standard #810. The hardened drives, designated Series R10, can now be used to control rotary and linear motors/actuators in military applications and extreme industrial, aviation and marine environments.

The Series R10 drives operate in standalone and networked operating modes, and respond to a variety of input formats including step-and-direction commands for upgrading from stepper motors to high torque servomotors. Operating modes also include indexing, point-to-point, PVT, PT, position, velocity and torque control, as well as electronic camming and gearing.

The R10 drives are compatible with CANopen, RS422 and RS 485 communications. They operate on single phase or three-phase 85V to 264V supplies, and deliver up to 3kW drive power. The hardened drives use the advanced carrier cancellation modulation (CCM) for zero crossing linearity and ultralow ripple current, which occurs at twice the carrier (PWM) frequency. Ripple frequency is 28kHz and current loop bandwidth is 2.5kHz. The amplifier provides 15kHz current loop update rate (67?s) and 3kHz (333?s) position and velocity loop update rate. R10 drives are available for peak current from 18A to 40A.

R10 drives are housed in shielded enclosures measuring 2.55inch high x 5.4-inch wide x 7.55-inch long. The drives are protected against overcurrent, overtemperature and incorrect operating voltages. Protection circuits also guard against loss of signal from either the encoder or the motor's Hall sensors.

The drives are available with extensive libraries of motion control software (Copley Motion Libraries) and software COM objects, to ease system development.

Pricing starts at $1,753 for 1-9 quantities. Delivery is from Stock to four weeks ARO.

- Gina Roos
eeProductCenter




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