Brushless Servo Motor

maxon precision motors (Taunton, MA) released the EC-i30 20W brushless servomotor with integrated electronics. With an integrated 4-quadrant speed controller, the motor is available as a 5-wire version. Both enable and direction versions of the motor are offered. The 30-mm-diameter motor is available with an optional planetary gearhead and can be customized specific to the needs of the application. Features include 24 VDC winding, 4 pole pairs, speed range from 250 to 6060 RPM, and optional gearheads, encoders, and drive electronics.

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Integrated Motors

Applied Motion Products (Watsonville, CA) introduced the SWM24IP-3DE integrated stepper motor and the TXM24IP-IDG StepSERVO™ integrated motor. The NEMA 24 frame integrated motors with dual-port communications connect to the industrial EtherNet/IP network of a plant or machine. By incorporating two M12 EtherNet/IP connectors instead of one on each axis, the motors support topologies such as line networks and daisy-chain connections. All drive and motor features are accessible over the EtherNet/IP network including more than 100 commands and 130 registers for controlling motion, I/O, configuration, polling, math, register manipulation, and Q programming. The motors feature a NEMA 24 (60-mm) mounting flange and include a built-in encoder for enhanced positioning capabilities.

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Inertial Measurement Units

Thales Visionix (Aurora, IL) announced NavChip Series 3 6-axis inertial measurement units (IMUs). The MEMS-based IMUs feature proprietary signal processing techniques and bias in-run stability to 3°/hour (typical) and 5°/hour (max) for applications over the ±16 g operating range. Other features include a 1,000 Hz update rate and the ability to accept other external inputs such as a magnetometer. The IMUs are factory-calibrated for bias, scale factor, and misalignment over the full operating temperature range of -40 to +85 °C. Power consumption is 135 mW, making the IMUs suited for power-sensitive remote and battery-operated systems. They offer selectable built-in-test (BIT) modes for command and continuous diagnostic monitoring as well as multiple output interfaces including I2C, TTL UART, or SPI-compatible.

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Kit Encoders

POSITAL (Hamilton, NJ) offers absolute multi-turn kit encoders. The magnetic encoders provide multi-turn measurement ranges for motors connected to a screw shaft, cable drum, or gear reduction system. The multi-turn rotation counter is self-powered, requiring no backup batteries. The encoders for stepper motors are “kit,” or modular devices, designed to be integrated into a motor housing, measuring the rotary position directly from the drive shaft. Kit packages are available with the mounting form factor for NEMA-standard stepper motors. The magnetic measurement module is resistant to dust, moisture, and shock/vibration loading. Shields are available to protect the module from external magnetic fields. SSI and BiSS C open-source communication interfaces are compatible with a range of PLCs and computers.

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Servomotor/Drive

The ACSI EtherCAT integrated servomotor and drive from Tolomatic (Hamel, MN) automates additional axes of motion with Industrial Ethernet protocols. As an integrated servomotor and drive, the unit is suited for machine retrofits and displacing pneumatic cylinder applications. The integrated controller, available in both linear and rotary operating modes, automatically configures the motor, actuator, safety limits, and other settings inside the controller. The EtherCAT protocol is in addition to existing EtherNet/IP, PROFINET, and Modbus-TCP Ethernet options. The unit is set up and deployed with Beckhoff controllers into EtherCAT control systems and is designed to internally close the position loop, removing the requirement for high-speed cycle times and high-performance hardware.

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Servomotors

The Orbex Group (Fremont, CA), offers brushless servomotors for dynamic servo-driven applications. Available in a range of frame sizes (60–176 mm), the NdFeB-based motors include incremental encoders for position feedback and electrical commutation. Features include customizable windings, integrated gear reducers, brakes, additional feedback options, connectors, and custom mounting options. Frameless configurations are also available for integration into assemblies. The motors provide low-cogging motion and IP65-level protection for demanding industrial or outdoor environments.

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