Motion Control

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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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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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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Optical Encoder Module

Avago Technologies (San Jose, CA) introduced the AEDS-964x optical encoder modules, with resolutions of up to 360 lines per inch, for printing applications. The modules are used with a transmissive code strip to detect linear motion, or with an 11 mm optical radius transmissive code wheel for rotary motion. Features include: RoHS-compliant lead-free package, wide resolution range, two-channel quadrature output, lensed LED light source, guide bumps, and an optical design insensitive to radial, tangential, and axial misalignment.

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Digital Torquemeter

S. Himmelstein and Co. (Hoffman Estates, IL) released the MCRT® 48200V Series Compact Digital Torquemeters, having no pots, switches, and requires no manual adjustment. The non-contact devices have full-scale ranges from 25 to 10,000 lbf-in. Two accuracy grades are available: 0.2% (Code N standard performance) and 0.15% (Code C enhanced performance). The series outputs ±10 V or ±5 V analogs of torque and engineering unit data via com port. Features include internal signal processing accurate to 14 bits; strain gage sensing; alloy steel shaft with 200% torque overload capacity; NIST traceable calibration; noise tolerance; and optional speed pickup. Included is software that interfaces with Windows® PCs that displays engineering unit current, peak, valley, and spread data, as well as classifying limits and plotting in real time.

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Multi-Axis Controllers & Drives

Festo Corp. (Hauppauge, NY) released the SEC-ACSMLC Multi-Axis Controller and SEC-SDD drive. Featuring the CoDeSys programming platform, the SEC-AC-SMLC is based on the IEC61131-3 standard, offering the programming languages of Relay Ladder Logic, Function Block Diagram, Structured Text, Instruction List, Sequential Function Chart, and Continuous Function Chart. PLCopen Motion function blocks are available. Other features include variants with an integrated Profibus® master, Ethernet connectivity, and OPC server.

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Magnetic Brakes

Danaher Motion (Wood Dale, IL) released the Thomson-Deltran Power-Off Magnetic Brake (PMB) series of power-off DC, spring-set, multifunctional brakes. Nine standard frame sizes from 30 to 120 are available. Torque range is 45 lb-in to 4,250 lb-in (5 to 48 Nm), in diameters from 3.30 to 11.89". Operating voltages of 24, 90, and 190 VDC are standard (other voltages are available on request). An adjustment collar allows brake torque to be varied, and the fully potted coils come under class “F” insulation.

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