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Optical Encoders

Avago Technologies (San Jose, CA) announced the AEDR-87xx series of 3-channel reflective optical encoder devices for use in low-power miniaturized motion control systems such as stepper motors, electrical actuators, piezoelectric drives, and portable medical appliances. The devices feature encoding resolution up to 318 lines per inch (LPI), support for 3.3V and 5V supply voltage for low-power applications, and dual analog outputs interfacing directly with an external interpolator for high-precision motion control measurements. The encoders feature three channel outputs including one index digital output; a built-in interpolator for 4x, 8x, and 16x interpolation; built-in automatic LED current regulation; encoding resolution of 318 LPI (up to 1.25 um pitch); and operating temperature range from -20 to +85 °C.

Posted in: Motion Control, Motors & Drives, Products

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Motor Drive Controllers

ElectroCraft (Dover, NH) released the PRO Series integrated motor drive controllers that include brushless motor drives, stepper motor variants, and linear actuators, all incorporating a fully integrated drive with the PRO Series advanced control and sequencing functionality. Each includes closed-loop control, a fully programmable digital sequence engine, fully configurable analog and digital I/O, and deterministic real-time communications. These enable any motor drive to serve as either a standalone control solution or part of an integrated multi-axis system. The controllers are pre-configured, and menu-driven configuration tools allow users to set up systems quickly. They are available in a variety of configuration and encoder options.

Posted in: Motion Control, Motors & Drives, Products

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Human-Machine Interface

Mitsubishi Electric Automation (Vernon Hills, IL) introduced the GOT2000 Series human machine interface (HMI) that monitors and controls machine components with a graphical touchscreen. It allows operators to interact with the HMI similarly to a tablet or smartphone with intuitive gestures and multi-touch actions. The HMI acts as a seamless gateway to industrial automation devices, including programmable logic controllers (PLC), variable frequency drives, servos, and temperature controllers. The display is designed to optimize operator control and monitoring of device and line status.

Posted in: Motion Control, Products

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Shaft Grounding Ring

Electro Static Technology (Mechanic Falls, ME) offers the AEGIS® iPRO-MR ring that combines shaft voltage bearing protection with continuous monitoring of shaft voltage levels from a remote location in real time. It is an AEGIS® Shaft Grounding Ring and a shaft monitoring ring in one for large motors and generators in critical applications. The ring is suited for the protection of motors in remote locations that cannot be easily monitored or maintained. It is available in a range of sizes to accommodate even the largest motor shaft diameter, and comes in mating halves to facilitate field retrofits on coupled equipment.

Posted in: Motion Control, Motors & Drives, Products

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Force Transducers

HBM (Marlborough, MA) introduced the C10 line of compressive force transducers. The stainless steel version is hermetically sealed, and they have an IP68 rating for use in environments where dirt and moisture can be a problem. The C10 is available with various nominal forces ranging from 2.5 kN to 1 MN, in accuracy classes ranging from 0.03 to 0.06. Despite the high output signal (up to 4 mV/V), C10 transducers have a very low temperature coefficient. A variety of options is available, including a double-bridge option, TEDS transducer electronic data sheets, and different cables and connectors, for a total of 2,304 different configurations. Applications range from propulsion testing, to end-of-line testing, to drop testing and anywhere precision force in harsh environments is required.

Posted in: Motion Control, Products

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Linear Position Sensors

Macro Sensors (Pennsauken, NJ) offers the CD 375 series of miniature LVDT linear position sensors that attach to a robotic arm to detect position change when an actuator moves the robotic arm, providing an analog voltage signal, proportional to the amount of motion, to a controller that makes appropriate adjustments based on programmable set points. With the data provided by the sensor, the controller can determine when the robotic arm should stop or slow down. The compact size makes the sensors suitable for providing displacement feedback in different robotic applications. Available in full-scale measurement ranges from ±0.025 to ±2.0", the AC-operated sensors offer a 0.012" core- to-bore radial clearance. Other features include operating temperature range from -65 to +220°F, stainless steel housings and epoxy encapsulation, and external sealing that meets IEC standard IP-61.

Posted in: Motion Control, Positioning Equipment, Products

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Shaft Locking Bushings

Zero-Max (Plymouth, MN) offers ETP Techno shaft locking bushings for bore sizes of 110, 120, and 130 mm. They are designed for locking components to large shafts with repeatable precision for applications requiring frequent mounting operations such as position gears, pulleys, sprockets, and other components in automated machinery. Handling torque ranges from 247,820 inch lbs. to 283,223 inch lbs., the bushings feature a radial screw design for mounting, repositioning, and phasing of components to the shafts. They can be readjusted hundreds of times without any axial movement of the bushing or component along the keyless shaft. An Allen wrench is required to mount and lock the bushings into place.

Posted in: Motion Control, Positioning Equipment, Products

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