Motion Control

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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Hybrid Linear Actuator

Haydon Switch & Instrument (Waterbury, CT) released size 8 hybrid linear actuators with encoder feedback. Encoder resolutions range from 120 to 330 cycles per revolution, or 480 to 1,200 pulses per revolution; encoder operating temperatures are -10 to 85°C. The optical incremental encoder design is available with two-channel quadrature TTL squarewave outputs. The units are available in resolutions ranging from 0.00006 to 0.00157" per step, and deliver thrusts of up to 10 lbs.

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Incremental Encoder

From SICK STEGMANN, INC. (Dayton, OH), the DRS61 CoreTech® Incremental Encoders can be programmed the number of lines from 1 to 8,192, as well as the width of the zero pulse. The units are available in face mount flange, servo flange, blind or through hollow shaft with connector or cable outlet, TTL, or HTL interface configurations. Interchangeable collets are available for the hollow shaft configurations in diameters of six to 15 mm and 0.25, 0.375, and 0.50".

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Torque Motor

Animatics Corp. (Santa Clara, CA) released the SM2315DT as part of the OEM Series of SmartMotors. The unit features an 8-pole rotor design with a high copper filling factor, and delivers 112 oz-in of peak torque while maintaining 57 oz-in of continuous torque with a maximum speed capability of 4,700 rpm. A servomotor, amplifier, and motion controller are incorporated.

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