Motor Control Integrated Circuit

Microsemi Corp., a wholly owned subsidiary of Microchip Technology (Aliso Viejo, CA), announced the LX7720 radiation-tolerant motor control integrated circuit that works with a field programmable gate array (FPGA). Features include four half-bridge N-channel MOSFET drivers, four floating differential current sensors, pulse-modulated resolver transformer driver, three differential resolver sense inputs, six bi-level logic inputs, and fault detection. The circuit also features 100-krad total ionization dose (TID) and 50-krad enhanced low-dose radiation sensitivity. Power drivers are via external field-effect transistors (FETs). The circuit features loop control electronics for voltage or current control.

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Air Cylinders

AC Series air cylinders from Fujikura (Schaumburg, IL) feature a bed of air that surrounds the piston rod and prevents contact with the air bearing. Operating with zero friction, the cylinders have a non-contact structure that eliminates dust generation. Standard cylinder diameters range from 0.39 to 3.93". Standard strokes range from 0.79 to 6.30". Custom and larger cylinders are available. The air bearings are made of metal material. The cylinders are available in single action (push) and double action styles, with working temperatures ranging from 32 to 140 °F and working pressure ranges from 1.5 to 87 psi.

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Rail Guides

SKF LLT profile rail guides from SKF Motion Technologies (Lansdale, PA) have the ball circuits placed in an X-arrangement to optimize load sharing in all four main load directions and accommodate moment loads while maintaining self-aligning capability. The arrangement compensates for mounting deviations, even under preload. Guides are available in sizes 15-45 with rail sizes up to 4000 mm in a single piece, with longer lengths available as attached rails. They are available with a variety of preload and precision classes, mounting configurations, and accessories. They can resist temperatures up to 100 °C and achieve speeds up to 5 m/s. The guides are supplied ready to mount and are factory pre-lubricated. Carriages are equipped with end seals, side seals, and inner seals, as well as an internal lubrication reservoir.

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Electric Cylinder

The SPINDASYN® SEZ electric cylinder from AMK Automation (Carpentersville, IL) is a linear drive motor system in which the rotor is pressed directly onto the screw. The closed-loop positioning and force control make it suitable as an alternative to other linear technologies such as pneumatic or hydraulic cylinders, rack and belt drives, and linear motors. Several options are available for screw and strength length, motor type, and acceleration. Users can set multiple travel profiles and the cylinder can be integrated into machine automation processes and applications such as carton forming, palletizing, pick and place, cross-cutting, sealing plastics, and machine tooling.

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Power Supply

ADVANCED Motion Controls® (Camarillo, CA) introduced the PFC2400W375 power supply with Power Factor Correction. The regulated DC power supply feeds 400V series servo drives with a low-noise 375 VDC bus. Universal single-phase AC input 100-240 VAC/50-60 Hz with power factor correction and low harmonic distortion along with soft starting circuitry enables reliable operation. Features include continuous DC output current of 6.4A @ 240 VAC input, efficiency at full load of 97%, power factor >0.95 @ 250 W (up to >0.99 above 250 W), leakage current <180μA @ 240 VAC/60 Hz, built-in shunt regulation to handle excess regeneration, and fault status logic output for power sequencing.

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Actuator

Hayward Flow Control (Clemmons, NC) announced the EAU1 Series compact quarter-turn actuator featuring an ISO5211-compliant mechanical mount. It can be direct-mounted to thermoplastic or metal quarter-turn valves. Rated at 120 in.lbs. in unidirectional on/off control, the actuator requires only three wires for complete control. An auxiliary switch is available for remote indication of open and closed positions. All field terminations are via a terminal strip located under the top cover. It features a corrosion-resistant glass-filled polypropylene housing with NEMA4/4X rating. All gearing is hardened steel. The actuator is available in 12 vac or vdc, 24 vac or vdc, 120 vac, and 230 vac voltages.

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Industrial PC

Siemens (Munich, Germany) introduced the Simatic IPC127E industrial PC that is suitable for use as a gateway to connect machines with each other and the cloud. It enables data to be managed directly in the production environment, and networks existing systems with machinery of different manufacturers and different technological versions. It is equipped with a 2- or 4-core Atom processor with 2 or 4 GB RAM and a solid-state drive (up to 128 GB). Three LAN and four USB interfaces enable it to be integrated in existing automation systems. The all-metal enclosure enables it to be used maintenance-free even under harsh conditions.

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Linear Positioning Stage

New Scale Technologies (Victor, NY) introduced the M3-LS-3.4 Linear Smart Stage, a compact linear positioning stage targeting embedded microscopes in automated instruments for 3D imaging, microelectronics inspection, and other applications where small size and high precision are essential. The stage has all control electronics embedded inside the stage. No external controller is needed; the controller accepts high-level motion commands via direct digital interface. No internal high voltage is needed or generated, and all positions are held with zero power and high stiffness. Closed-loop stepping uses an absolute position sensor inside the stage, with 0.5-micrometer resolution. The complete stage, including controller, measures 32 × 32 × 11 mm. The reduced-voltage piezoelectric microstage operates on 6 VDC and requires no high-voltage isolation.

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Current Transducer

The AT/ATR-TH Series current transducer from NK Technologies (San Jose, CA) monitors three-phase loads, motors, machines, and buildings. The triple-aperture solid-core design features conductors that thread easily through the sensing windows (apertures) and reconnect on the other side. Transducer outputs are powered from an excitation voltage of 24 VAC or DC, or optionally 120 VAC, isolated from the monitored circuit. Three outputs are proportional to the AC current in each phase and a fourth represents the average of the three; each are available at any time. The sensor mounts on a back panel or a DIN rail and is designed to accommodate wire sizes for loads up to 200 amps. Applications include detecting over/under current conditions before they cause breakdowns in large machinery or interlock one process with another; detecting open discharge lines, clogged filters, or blocked intake to pumps in water delivery and treatment systems; and monitoring motor current draw, which should be nearly equal in all three phases. Features include analog signal proportional to AC current (both average and True RMS models available) and ranges of 0–10 to 0–200 amps.

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Traction Drives

Rolling Motion Industries (North Babylon, NY) released the MAR-17-1-2.1 and MAR-23-1-2.1 one-way traction drives with six moving parts and an engineered traction fluid with a coefficient of friction of just 0.1 to 0.12. The traction drives have no metal-to-metal contact and no slippage or lost motion between the input and output shafts. The MAR17-1-2.1 is designed for speeds to 3600 rpm with 10 to 20 in/lbs of torque, and the MAR-23-1-2.1 is rated for 3600 rpm with 20 to 30 in/lbs of torque. They operate at temperatures that are lower than the motor's, with low vibration and no torque losses from 10 to 3000 rpm. Applications include pumps, blowers, fans, conveyers, medical applications, and other power transmission and motion applications. They are available with an optional overriding clutch and incorporate standard NEMA mounting dimensions.

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Aluminum Slide

The AL4160 Super Heavy-Duty aluminum slide from Accuride International (Santa Fe Springs, CA) combines a full aluminum body with stainless steel components. Features include load rating up to 661 lbs./300 kg, corrosion resistance, low profile with 1.04" of side space, and full extension. It is suited for applications in transportation, outdoor environments, and industrial production including movement of generator and battery compartments in large vehicles; enclosures for data storage and communications; heavy-duty equipment in factories, machinery, and tool storage; and aircraft interior parts/aircraft seat parts.

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Position Sensors

NewTek Sensor Solutions (Pennsauken, NJ) introduced the RV series of RVDT rotary position sensors that provides angular displacement measurement of rotating elements such as quarter-turn ball and butterfly valves, actuators, throttles, and dancer arm tensioners used in industrial machine-to-machine applications. With a shaft that rotates 360° with no stops, the AC-operated sensors measure shaft angle position over a nominal range of ±30°. They are shock- and vibration-tolerant to provide feedback even when operating in hostile conditions found in challenging automation applications. Units operate over a temperature range of -65 to 220 °F and exhibit a linearity error of less than 0.5% of full range. The sensors are offered in size 8 (0.75") and size 11 (1.06") diameters with standard servo mounts.

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Controller/Drive

Advanced Micro Controls (Terryville, CT) announced the ANG1(E) integrated stepper controller drive that connects directly to Rockwell Automation's CompactLogix® 5380. The system can expand up to six axes of motion over a single Ethernet/IP connection. Move commands are programmed through Studio 5000®, and the standard DIN rail mounting eases installation.

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Incremental Encoder

ASM Sensors (Elmhurst, IL) offers posirot PMIS4/PMIR7, a non-contact, wear-free magnetic incremental encoder that withstands harsh environmental conditions and offers a slide-on shaft assembly. The system consists of a sensor head and a magnetic ring with magnetic index mark. The sensor head is made of metal and is fully enclosed on all sides. The magnetic ring is available in diameters of 27, 35, or 50 mm and is mounted directly onto a machine or motor shaft without a coupling via a slide-on mounting solution. The sensor provides linearity of 0.1° and a resolution of 184,320 pulses per revolution. The distance between the sensor head and the magnetic ring can be up to 2 mm. The sensor has protection class IP67 and operates at temperatures from -40 to +85 °C. Available output types are HTL and TTL.

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Micro-Brakes

Model 112 electromagnetic micro-brakes from Miki Pulley (Plymouth, MN) are a high-performance braking solution for small, precise motion control applications. The compact design enables fast response in high-torque applications and features a stator with integrated mounting flange, proprietary composite friction liner, and armature with ring plate spring and hub. The brakes halt rotation mechanically by utilizing an electromagnetic field to create mechanical friction. The brake's armature engages the stator when the coil is energized. A constant-force plate spring transfers torque to the rotating brake body, halting all motion. They are available in three armature assembly options depending on application requirements.

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Piston Pump

The KPP05 piston pump from Kinitics Automation (Richmond, BC, Canada) is a shape memory alloy-based positive displacement pump that uses proprietary Bundled Wire technology to deliver a precision stroke. It requires only AC or DC electrical power to operate and allows for displacement or pressure control when additional sensors are used. It provides the functionality of a motor, pump, and proportional valve in a single unit. The pump is compatible with a range of fluids and provides a high pressure-to-size ratio. Equipped with a standard 25-mm bore, it features piston positional accuracy of 5 μm, rated pressure to 10 Bar (145 psi), displacement up to 3.3 cc (0.2 cu. in.), flow rates up to 10 LPH (2.6 GPH), and configurable ports. The pump can also be equipped with accessories including a range of mounting brackets and an adjustable home position switch.

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Motor Controllers

American Control Electronics (South Beloit, IL) introduced the PML Series of configurable controls for brushless DC motors. The drives can control motors that range from 90 to 280 VDC, up to 5 amps/1.5 HP, using either 115 VAC or 230 VAC line sources. Onboard trim pots allow operators to set maximum and minimum speeds, acceleration and deceleration rates, and proportional and integral feedback gains. An onboard microprocessor allows for custom programming. The controllers integrate PLC-like functionality into operations, allowing users to eliminate the need for a separate PLC or enhance a system that currently does not have one. The controls are positioning-application capable, with feedback sampling rates of 16 Khz.

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Stepper Motor Positioning Stage

The LSS-016-04-006-01A-ME from H2W Technologies (Santa Clarita, CA) is a low-profile linear stepper motor positioning stage that integrates an absolute linear encoder and a single-axis linear stepper motor stage. This enables the stage to operate as a two-phase brushless linear motor when coupled with motion control electronics. Operating as a brushless linear motor, the motor tends to run cooler as it only draws current when needed to hold the desired position or make a move. The stage uses STS-0620-R linear stepper motors to generate a force of 6.0 lbs (26.7 N) with a total stroke length of 16" (406 mm). The 1.0-micron-resolution absolute encoder allows for precise positioning. High-flex power cables for the motor and encoder are guided by a cable carrier and the cables are terminated into standard D-subminiature connectors. The stage can run in horizontal or vertical orientation.

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Motor Controller Boards

TRINAMIC Motion Control (Itasca, IL) announced the TMCM-1211 and TMCM-1316 StepRocker™ open-source, single-axis motor controller/driver modules for 2-phase bipolar stepper motors. They feature RS-485 and USB interfaces and are suited for robotics, manufacturing, or factory automation and other applications. The TMCM-1211 contains the motion controller and motor driver TMC5160 in combination with an ARM Coretex-M4™ processor; the TMCM-1316 has an additional TMC4361 high-end chip and offers S-shaped and linear ramping profiles and closed-loop operation when using an external encoder. Both fully functional development platforms allow for stepper motor control with StealthChop2™, StallGuard2™, CoolStep™, and SpreadCycle™. Setup is achieved using the RS-485 or USB interface in combination with TMCL for remote or standalone operation, with a memory for up to 1024 TMCL™ commands. Features include 10 to 30V DC supply voltage, up to 5.7A RMS motor current, multi-purpose inputs and outputs, and open-source TMCL-Lite library C for development of a customer's application code.

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Analog Rotary Encoders

FRABA (Hamilton, NJ) offers POSITAL analog programmable rotary encoders for position control that accept a wide range of supply voltages. Outputs are either voltage (0-5V, 0.5-4, 5V, 0-10V, or 0.5-9.5V) or current (4-20 mA). The magnetic measurement mechanism is wear-free. The analog encoders are programmable with measurement characteristics that can be customized to meet specific application requirements. Programming can be carried out at the factory, in a distributor's warehouse, or at the customer's jobsite using the UBIFAST programming tool. Programmable characteristics include direction of rotation (CW or CCW), zero set, and the encoder output range. Measurement range programming allows the full range of electrical outputs (voltage or current) to be set to match a user-defined range of mechanical motion. For single-turn models, the measurement range can be set to 90°, 180°, 270°, or 360°. For multi-turn models, the range can be set anywhere between 1 and 65,536 complete rotations. Analog encoders are available with pushbuttons on the housing that enable the user to specify the upper and lower limits of the mechanical motion, with the electrical output fully spanning this range.

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Linear Voice Coil Motors

Moticont (Van Nuys, CA) offers the LVCM-025-022-01 and LVCM-025-029-01 linear voice coil motors. The LVCM-025-022-01 has a stroke length of 0.375" (9.5 mm), a mid-stroke length of 1.30" (33 mm), and force-to-size ratio of 16.9 oz (4.7 N). The LVCM-025-029-01 has a stroke length of 0.625" (15.9 mm), a mid-stroke length of 1.68" (43 mm), and continuous force of 18.2 oz (5.1 N). The compact motors are suited for workholding and clamping, medical devices, assembly, testing, laser machining and drilling, wafer handling, optical focusing, dynamic vibration absorption, scanners, and laser beam steering and filtering. The brushless high-speed motors have zero cogging and feature a 10-32 UNC-2B threaded mounting hole in the center of the housing and two 6-32-UNC-2B threaded mounting holes on the coil end to add to new or existing applications. Metric series threads are available. Plug-and-play systems including an encoder and controller are also available.

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Gearboxes

GAM (Mount Prospect, IL) released GCL cycloidal gearboxes for horizontal and vertical robotic and motion control applications. They are designed to withstand the frequent start-stop impact loads of industrial robots and other motion control applications and are available in a range of sizes with ratios from 36:1 to 192:1. Output options include component boxes with a solid flanged output (GCLC F) or a hollow shaft flanged output (GCLC-H). The solid flanged output gearbox is available with a cover and motor mount (GCL-F). The gearboxes can be used in robotics and automation, medical equipment, and where zero-backlash and high tilting and torsional rigidity are required.

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Robotic Finishing Tools

Fastems LLC (West Chester, OH) offers a range of automated robotic finishing solutions including grinding, polishing, deburring, and brushing processes. Robotic finishing eliminates variations common in hand-finishing operations and maximizes output of precisely finished parts. The robotic systems combine control and software technology, spindle choices, and a variety of process tools and accessories. Tooling for both pneumatic and electric spindles enables users to custom-tailor processes for specific applications. Process tools include burrs, brushes, grinding stones, abrasive and flap-style wheels, as well as specially engineered tools. Both on-line and offline programming options are available. Engineered accessories enable users to customize robotic finishing systems to fit their part requirements. Options include spindle cooling systems, tool presence sensors, application-specific process control sensors, and Renishaw touch probes.

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End-of-Arm Tooling

Piab (Hingham, MA) introduced end-of-arm robotic tooling that enables customers to build automated systems that fit their specific applications. The off-the-shelf standard products are available in a broad range of sizes and dimensions, resulting in a modular automation technology set comprising 600 different pieces of equipment. A full and flexible assortment of modular components makes it possible to rapidly put together an automated handling/gripping system that is configured for any packaging and/or palletizing task. Products also are available for high-speed automated robotic systems as well as for a variety of materials.

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Modular Encoders

CUI's Motion Group (Tualatin, OR) offers AMT21 series absolute modular encoders with multi-turn output capability. Offering 12 bits or 14 bits of absolute position information, the multi-turn units implement a 14-bit signed number turns counter for applications rotating beyond 360 degrees. Users can track position even during power down conditions, while the turns counter can be maintained via a battery backup, eliminating the need for a homing sequence. The encoders are resistant to dirt, dust, and oil typically found in motion applications. A high-speed RS-485 protocol for fast and low-latency position data is accompanied by a current draw of 8 mA at 5 V and a compact package with locking hub for ease of installation. The encoders feature accuracy of ±0.2 mechanical degrees at operating temperatures from -40 to +105 °C in either radial or axial orientations.

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Controller System

AutomationDirect (Cumming, GA) released the ReeR MOSAIC modular, expandable, and configurable safety controller system for managing all safety functions of a single machine or an entire plant. As a standalone controller, the M1 master module has eight inputs, two safety outputs, two status outputs, and two inputs for Start/Stop interlock (RST) and external device monitoring (EDM). By adding up to 14 expansion modules, the system can have up to 128 inputs, 16 safety outputs, 16 RST/EDM inputs, 32 status outputs, and Ethernet/IP or MODBUS TCP/IP connectivity. The master module, input expansion modules, and output safety and status expansion modules are DIN rail mount and 24 VDC powered; all modules have removable terminal blocks with screw contacts. EtherNet/IP and Modbus TCP/IP communications modules are available to connect to most industrial fieldbus systems.

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Stepper Motors

JVL Industri Elektronik A/S (Birkerød, Denmark) offers MIS171 to MIS176 ServoStep integrated stepper motors with a NEMA 17 42 × 42-mm flange. The motors include a controller with six different industrial Ethernet protocols, absolute multiturn encoder, closed loop, and M12 connectors. All necessary electronics in a stepper system are integrated in the motors, enabling their use in most motion control stepper or servomotor applications. The motors are available as standalone units with programmable motion controller or controlled from an external PLC or PC. Eight I/O points can be individually configured as digital input, digital output, or analog input. Modbus RTU or CANopen provide connection to a PLC or HMI. An ActiveX/OCX driver is available for interface to LabView, Excel, VB, or other Windows programs. Up to 254 axes can be connected on the same RS-485 bus.

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Multi-Axis Controller

Omron (Hoffman Estates, IL) introduced the CK3M programmable multi-axis controller with output speeds of 50 μs/5 axes. It enables fully synchronized nanoscale motion control by providing connectivity to virtually any motor or encoder using EtherCAT® and encoder communication protocols. The system also makes it possible to use ANSI C or an original programming language so that machine builders can create their own control algorithms. High-speed feedback control enables precise path control in precision machining.

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SCARA Robot

ABB Robotics (Auburn Hills, MI) offers the IRB 910INV ceiling-mounted SCARA robot that maximizes space efficiency and flexibility of each cell. The ceiling mounting also allows the robot to collaborate with other robots and machines simultaneously in the same footprint. It is suited for repeatable point-to-point accuracy in picking and placing, assembly, and testing including electronics small parts assembly tasks such as screwdriving, inserting, or mounting components, and automated inspection solutions for quality control. It is available in two variants: one with a maximum payload of 3 kg with 350-mm reach, and one with a maximum of 6-kg payload with 550-mm reach.

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Rotary Vane Pump

The Pascal 2021 HW from Pfeiffer Vacuum (Nashua, NH) is a two-stage rotary vane pump suited for applications where water vapor is expected, such as low-temperature sterilization and drying. An optimized gas ballast system allows pumping of large volumes of vapor without condensation inside the pump, preventing accumulation of fluid that would adversely affect the service life of the pump and the pump oil. The pump utilizes special materials to resist aggressive chemicals such as hydrogen peroxide. A safety device impedes the water from entering into functional sections of the pump if the steam capacity is inadvertently exceeded. Accessories include an oil mist filter and inlet traps. An oil drain valve simplifies maintenance in confined spaces.

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