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Servo Drives

AMK Drives and Controls (Richmond, VA) offers the AMKASMART iC servo drives for single-axis machines and modular machine configurations. The compact drives for closed-loop control of servomotors up to 10 kW peak power can be installed almost anywhere in a machine. The drives come equipped with 3x 400VAC supply, mains filter, brake chopper, and 24VDC power supply unit. Convection cooling, an integrated fan, or cold plate installation are available.

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Magnetic Encoder

The iC-MH8 from iC-Haus GmbH (Bodenheim, Germany) is a variable system-on-chip magnetic encoder for motor control applications. Combined with a diametrically magnetized permanent magnet, this device can be used to create a universal encoder with motor commutation and positioning interfaces. The device includes a Hall sensor array with signal amplification control, incremental (ABZ) outputs, absolute position via serial SSI/BiSS-C interface, BLDC motor commutation (UVW) outputs, differential sine/cosine outputs, and integrated RS-422 line driver outputs.

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Accelerometer

Silicon Designs (Issaquah, WA) has introduced the Model 2210-005, a ±5g, low-noise, single-axis accelerometer module that incorporates MEMS capacitive sensing elements. The sensing elements are packaged within a lightweight anodized epoxy aluminum housing, occupying a footprint of one square inch. The accelerometers feature a four-wire connection and internal voltage regulator, as well as high-drive, low-impedance buffering to support low-frequency acceleration measurement requirements from 0 to 400 Hz.

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Actuators

Exlar Corp. (Chanhassen, MN) offers the Tritex II™ DC-powered actuators that integrate power and control electronics with brushless servo motors and actuators in one package. The actuators are combined with electronic power and thermal management modeling. They offer continuous forces of 1,000 pounds, 1,300 pounds peak, and speeds reaching 33 in/sec. The servo drive, digital positioner, and actuator are housed in an integrated package, creating a self-contained motion control system.

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Brushless Motors

The Gen2.0 PremiumPlus+™ brushless permanent magnet motors from NovaTorque (Sunnyvale, CA) are driven by variable frequency drives and feature a fluxfocusing stator and rotor hub geometry. The motors feature all-ferrite magnets, and are packaged in standard NEMA frame sizes and mounting dim ensions. Due to high power density, the motors are available both in the mounting frame size typical for induction motors, as well as one frame size smaller.

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Digital Servo Drive

Servo2Go.com (Greenville, DE) offers Applied Motion Products’ SVAC3 Series digital servo drives. The AC powered drives can be controlled via analog signal or step and direction inputs. They also can be programmed to act as standalone units. All models include Ethernet/ IP industry-standard network communication with connection to the supplied Windows software for configuration and tuning. Applications can communicate in real time using the SCl and Q languages over standard 100-Mbit Ethernet cabling, addressing, and protocols.

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Acceleration Sensors

Bosch Sensortec (Reutlingen, Germany) has introduced the BMA280 and BMA255 triaxial acceleration sensors with 14-bit and 12- bit resolutions, respectively. The sensors are available in a 2 × 2 mm LGA package and measure changes in acceleration as low as 0.25 milli-g. They feature a low noise level of 120 micro-g/vHz for the BMA280, and 150 microg/ vHz for the BMA255.

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