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Motor Controls

June 2008

Brushless DC Motor
The TG 2320 brushless motor from ThinGap LLC (Ventura, CA) delivers 425 oz-in. peak torque and 1,025 watts continuous power, yet weighs only 16.5 oz.

Applications include cylinder bore gauges, high-efficiency compressors, pumps, and semiconductor processing and handling equipment. The motor operates without cogging or hysteresis torque, and achieves 73% efficiency. It is available with a choice of three mounting options.

For Free Info Visit http://info.hotims.com/15132-308

April 2008

Motor Control Reference Platformy
The R8C/25-based motor control reference platform from Renesas Technology (San Jose, CA) accelerates the design of brushless DC motor applications. The platform allows engineers to quickly bring the latest motor control technology to appliances, powertools, fans, pumps, and other products, while providing the performance, reliability and power efficiency needed in these systems. The heart of the platform, the R8C/25 MCU, is based on a 16-bit R8C CPU core that operates at frequencies to 20MHz. It can handle different BLDC motor control algorithms to meet needs for cost, performance, and flexibility.

The platform supports four brushless DC motor control algorithms: 120-degree trapezoidal Hall-sensor, 180-degree sinusoidal Hall-sensor, 120-degree sensorless using external comparators, and 120-degree sensorless using on-chip A/D converters. Features of the R8C/25 include a multifunction timer with 8-bit prescaler, an input capture/ output compare timer, a UART/clock synchronous serial interface, a 10-bit A/D converter, eight external interrupt pins, a Flash ROM programmable from 16KB to 64KB, and 2 KB of data flash.

For Free Info Visit http://info.hotims.com/15128-304

Linear Stepper Motor
A high-performance, two-phase, linear stepper motor from H2W Technologies (Valencia, CA) provides 1 micron [0.00004 in.] resolution and travels at 80 in/sec. [2 m/sec.]. It can operate in any axis, and features 1 G acceleration. Ideal for open loop positioning applications with light payloads, the motor can also operate as a brushless linear servo with 5G acceleration and no loss of accuracy. It can generate 5 lbs. [22.2 N] of continuous force.

This single-axis linear stepper has the forcer [motor], bearings and platen [track] integrated into a compact, low-profile package. The forcer connects to the motion control system via flying leads or D connector. The hard chrome plated platen comes in lengths to 144 inches (3.7 m).

For Free Info Visit http://info.hotims.com/15132-310

Ceramic Piezo Motor
A line of compact ceramic piezo motors & nanopositioning actuators from Physik Instrumente (Auburn, MA) replace traditional actuators & motion control components in precision motion control applications. High-speed motors, high force actuators and zero-wear flexure designs are available.

The actuators come in three types differing in force, travel range, and speed and precision. The PiezoMove (R) type flexure actuators are for short travel ranges (<1 mm), high forces and very rapid response. Basically unlimited travel ranges are provided by both the PILine (R) ultrasonic motor actuator and NEXACT(R) & NEXLINE(R) piezo linear motor type actuators. The actuators are sized as small 8 × 6 × 2 mm. They handle forces to 500 N (50 kg) and speeds to 800 mm/sec. Resolution ranges up to 30 picometers.

For Free Info Visit http://info.hotims.com/15132-311

October 2006

Frequency Inverters
NORD Gear Corp (Waunakee, WI) offers the NORDAC SK 500E and 520E AC vector frequency inverters. Both feature high torque, rapid response, and wide spread Trange for extended power outputs ranging from 0.25 kW to 7.5 kW. Available in sizes between 7.32 × 2.99 × 5.94" and 11.26 × 3.86 × 7.01", and features selectable modes for sensorless vector modes for closed-loop flux vector control, optional position control, and additional I/O. Other features include local operation through inverter controls, integrated dynamic braking chopper, automatic motor parameter identification, integrated Class A filter, side-by-side mounting, field bus compatibility, and high overload capability (150% – 60 sec., 200% – 5 sec.).

For Free Info Visit http://info.hotims.com/10952-309

Motor Drive Controller
TrustAutomation (San Luis Obispo, CA) has released the TA600 4-axis stand-alone motion controller for use with brushed, brushless, and stepper motor drives, featuring dual processors, a DSP processor, and a high-speed microcontroller. The TA600 firmware is C language programmable, with a 3-letter command set, user programmable macros, and programmable Enable, Fault, Home, and Limit levels. An integrated Emergency Stop circuit is also included. Features are: point-to-point, trapezoidal, S-curve profiling; linear interpolation; position velocity time and analog feedback profiling; electronic gearing; and fast event capturing inputs. Three PID with feedforward tuning filters help with standing, moving, and stopping. Dual bi-quad filters for each axis control system harmonics. Options include digitalto- analog converters. The unit is designed for use with a 24 to 28 VDC supply at 0.5 to 6 Amps (fused).

For Free Info Visit http://info.hotims.com/10952-300

Servo Amplifier
Copley Controls (Canton, MA) introduced the Model 800-1514 dual-axis servo amplifier for current (torque) control of brushless servomotors. The unit accepts encoder and Hall feedback data from a range of servo motor types. Drive torque is controlled by a ±10 V command from a motion controller or PLC, and uses CME 2 Windows software. The unit operates on a 20 V to 55 V isolated DC supply and delivers two independently controlled outputs (4 A peak, 3 A continuous), and communicates with the set-up computer via a RS232 link. Industry standard buffered encoder output, ±10 V torque command, and all control signals are optically isolated. The device provides 5 VDC output for encoder and Hall sensor operation, as well as dual-channel status indicators, protection circuits for voltage, load, temperature, and l2t current limiting. Dimensions are 6.58 × 3.9 × 1.17".

For Free Info Visit http://info.hotims.com/10952-327

June 2006

Gearheads
The LP+/LPB+ Value Line series of gear-heads from alpha gear drives (Bartlett, IL) offer a lubrication concept that makes them maintenance-free. The LPB+ offers the option of adding an integrated geared pulley drive system. The belt pulley eliminates the need for a right-angle gearbox, couplings, and/or additional bearings. At full load, the gear reducers achieve more than 95% efficiency; the two-stage reducer restricts torsional backlash to less that 10 arcminutes, while the single-stage version operates at under 8 arcminutes.

For Free Info Visit http://info.ims.ca/5659-330

Motion Control ICs
Performance Motion Devices (Lincoln, MA) released the Magellan™ family of motion control ICs. They provide smooth stop, abrupt stop, and system disable, and are available for DC brush, brushless DC, microstepping, and step motors. A hardware trace buffer can store four performance-related values chosen from over 28 recordable variables. Selectable variables include position servo lag, motor output, servo integral, and commutation angle, among others. Collected data can be analyzed to determine increases in machine wear or vibration, or whether other user-defined or performance-related conditions have occurred. Magellan’s automatic machine monitoring system handles conditions such as motion error, positive and negative limit switches, position breakpoints, and commutation monitoring. Other features include a programmable PID filter with velocity and acceleration feed forward, 32-bit position error, dual biquad filters, and multi-chip synchronization.

Magellan monitors the specified condition once the event settings are programmed, executing the programmed action if and when it occurs. Default values for event-related processing to ensure operation for typical motion systems are provided. Communication to and from the ICs occur via a host microprocessor using an 8- or 16-bit parallel bus, CANbus 2.0B, or asynchronous serial port.

For Free Info Visit http://info.ims.ca/5659-342

Motor Protection Circuit Breakers
The Series 330 motor protection circuit breakers from c3controls (Beaver, PA) are available with thermal and magnetic trip elements providing overload and short circuit protection, and magnetic trip element only for short circuit protection. Both units come in universal rating and markings (A, kW, and HP), as well as third-party certification markings. They meet UL and CSA standards requirements as Manual Motor Controllers for use as Motor Disconnects, and meet National Electrical Code requirements for use in multi-motor applications. Also included are visible trip indicators for fast identification of which device tripped in a control panel where multiple motor protection breakers are installed.

Accessories include auxiliary contacts, shunt and undervoltage release modules, and wiring accessories such as commuting links and feeder terminals for distribution of power to multiple motor protection circuit breakers. Accessories are snap-on. Combination head terminal screws allow the use of straight, Phillips, or posidrive screwdrivers. The ON/OFF manual operator enables motor circuits to be isolated without having to disconnect other control panel circuits. A test function is included to verify proper operation of the control circuit and accessories.

For Free Info Visit http://info.ims.ca/5659-349

April 2006

DC/DC Converter
Texas Instruments (Dallas, TX) has announced the DCP010507DB, a 1-W isolated, unregulated DC/DC converter, supporting an operating temperature range of -40 °C to 100 °C. The module provides thermal shutdown and short-circuit protection, and device-to-device synchronization control for applications with multiple converters.

The DCP010507DB operates from a 5 V input, features dual ±7V outputs, and is suitable for motor control, programmable logic control, and distributed I/O module applications. The converter can be configured as a single-output 14 V converter, and provides point-of-load power conversion and ground loop elimination for noise-sensitive applications. It uses semiconductor lead-frame construction with a power density of 2.4 W/cm3.

For Free Info Visit http://info.ims.ca/5657-300

February 2006

Induction Motor Reverser
Teledyne Relays (Hawthorne, CA) has introduced the Series EMCRT solid-state, three-phase induction motor reverser that can be used to turn on an industrial motor in either direction. The maximum current is 50 Amps. The EMCRT48D50 model operates at 400 Vac, 4 kW, while the EMCRT48D75 operates at 400 Vac, 7.5 kW. Each unit measures 3.94 × 2.99 × 2.22", and weighs 4.58 ounces. The motor reverser is DIN rail mountable or attached with screws, and is designed for applications such as conveyors, elevators, escalators, pumps, compressors, lamps, fans, cranes, and three-phase motor applications.

For Free Info Visit http://info.ims.ca/5655-308

Motorized Potentiometers
The MR267 motorized potentiometers from Micronor (Newbury Park, CA) include a current loop controller (CLC) option that remotely controls the potentiometer and/or rotary cam switch via a 4-20 mA current loop, 0- 2.5 V input, or external potentiometer. The CLC option can be specified for any of the company’s line of modular motorized potentiometers, cam timers, or rotary limit switches. Rotary limit switches are programmed via cams to electrically control events or provide status at pre-stages.

The MR267 option operates from 24 VDC with an operating temperature range of -10°C to 65°C. They are available in single, multi-turn, 2-170 watts, wire wound, or composite pots. Applications include ramping up the field current of a DC motor or controlling the start-up of a generator.

For Free Info Visit http://info.ims.ca/5655-315

Motor Control Center
The Square D® Model 6 Intelligent Motor Control Center from Schneider Electric (Palatine, IL) enables real-time monitoring and remote control of motor functions for industrial facilities. Motor protection features of Motor Logic® Plus II overload relays provide the capability to customize protection levels. With Transparent Ready® built-in data communications, the relays allow facilities to monitor or control motor functions remotely. A trunk and tap cabling system eliminates the control wire bundle, and mechanically protected, micro-style connectors protect against harsh industrial applications.

For Free Info Visit http://info.ims.ca/5655-339

Worm Gear Speed Reducers
Flexbloc right-angle worm gear speed reducers from NORD Gear Corp. (Waunakee, WI) stop oil leaks and eliminate bolt-on covers and split casting, encompassing all gearing within a single piece. They feature an aluminum alloy housing that is corrosion resistant. The speed reducers are lubricated with a food-grade synthetic lubricant that does not require replacement.

Customized options include foot mounting or face mounting, and C-face motor adaptor or solid input shaft. Torque capacity is 3,859 lb.-in. that handles 5-HP motors. The Flexbloc speed reducers are available in single, helical, or double worm configurations with ratios from 5:1 to 3,000:1. The devices offer a choice of C-face motor adaptor or solid input shaft.

For Free Info Visit http://info.ims.ca/5655-305

December 2005

Motor Controller/Driver
Roboteq (Phoenix, AZ) offers the AX1500 microcomputer-based, dual-channel DC motor controller that directly drives up to 30 amps on each channel at up to 40 V. The controller fits on a 4.2 × 4.2" board, and accepts commands from a standard R/C radio for remote-controlled robot applications, or serial port interface. The controller’s two channels can be operated independently or combined to set the direction and rotation of a vehicle by coordinating the motion on each side of the vehicle. The motors may be operated in open or closed loop speed mode. Using position sensors, they also may be set to operate as heavy-duty position servos. Intelligent sensing and control automatically limit each channel’s power output to 30A for the time required to accelerate or stop a robot.

For Free Info Visit http://info.ims.ca/5294-316

Step Motor Control IC
The SMC-40 IC-based step motor controller from Advanced Micro Systems (Nashua, NH) operates at over 65,000 SPS at 3.3 volts. Package sizes are small PLCC28 or TSSOP28. No crystal oscillator or re-set circuit is needed. Non-volatile memory is builtin for standalone operation. Serial communication allows 32 axes from one COM port. Limit, home, GO, soft stop, and multiple-user I/O are included. Peripheral devices offer analog control and encoder feedback.

For Free Info Visit http://info.ims.ca/5294-317

Torque Flange
The T10FS torque flange from HBM (Marlborough, MA) can be used at rotational speeds of up to 24,000 rpm, depending on the measuring range. The flange is suitable for test bench applications where high rotational speeds and increased accuracy are required. The measuring body has lower mass moments of inertia for reduced dynamic torque during acceleration and braking. A speed measuring system, with an optional reference pulse, is available.

The T10FS is available with nominal torques of 100 Nm, 200 Nm, 500 Nm, 1 kNm, 2 kNm, 3 kNm, 5 kNm, and 10 kNm. A choice of electrical interfaces with a frequency output of 10 kHz ±5kHz, and an optional ±10 V analog output is available.

For Free Info Visit http://info.ims.ca/5294-314

Motor Control Developer’s Kit
The DK73110 Brushless Motor Control IC Developer’s Kit from Performance Motion Devices (Lincoln, MA) is an integrated board and software package that lets designers build a standalone motor controller, amplifier, or intelligent drive. The kit incorporates a velocity loop, current loop, commutation, half-bridge MOSFET switchers, and integrated motor connections. It uses a proportional integral current control algorithm to drive the power stage, and includes system monitoring and control functions. The kit can be used to develop a custom amplifier using external switching circuits. The kit comes with an installed, single-axis motor controller for programmable control of brushless DC motors. The controller operates in internal profile, velocity, or torque modes.

For Free Info Visit http://info.ims.ca/5294-315

October 2005

Speed Control System
Oriental Motor USA Corp. (Torrance, CA) has introduced the AXU Series brushless DC speed control system that maintains a constant torque value over the speed range of 100 RPM to 2000 RPM. The system consists of a BLDC motor and a speed control unit that provides speed control in 10W, 25W, 40W, and 90W output power levels. The system is available in single-phase 100- 115VAC, single-phase 200-230VAC, and threephase 200-230VAC power inputs.

The control unit provides rotation direction, run/stop, dynamic braking, set speed, and acceleration/ deceleration functions. Protection features on the control unit include overload, over voltage, under voltage, over speed, and out of phase. Rate of rotation is adjustable using a dial on the front of the speed control unit. Geared models are available in 20 gear ratios ranging from 3:1 to 180:1.

For Free Info Visit http://info.ims.ca/5292-302

August

Motor Controller
The AmpFlow (Belmont, CA) microcontroller- based motor controller supplies up to 180 Amps/channel at 12 to 40 V, and features multiple command input modes for use with either radio control receivers or analog devices (e.g., industrial or gaming joysticks). Computers and microcontrollers can also interface via the serial port.

The compact (7.0"x5.5"x1.5") and lightweight (3.4 lbs) controller features automatic stop, safe power-on start, over-current, and overheat protection. It is also fitted with heavy, 8-gauge cables for direct connection to high-current batteries and motors. For Free Info Visit http://info.ims.ca/5215-301

June

Step Motor Controller
The IBC-400E step motor controller from Advanced Micro Systems (Nashua, NH) offers encoder feedback for closedloop control. Features include NV Ram for stand-alone operation, control from one COM port, and speeds of over 60,000 SPS.

The device also features step and direction output, limit, home, go, soft stop inputs, user input ports, two 1/2 amp outputs, and an optional analog joystick. The IBC-200E is packaged in a 1.7" x 0.8" x 3.9" enclosure and can be interfaced to motor drivers that accept step and direction input.
For Free Info Visit http://info.ims.ca/5081-302

Frequency Inverter
SEW-Eurodrive’s (Lymac, SC) Movitrac® LTE frequency inverter features 14 pre-configured standard parameters for quick and simple startup, four binary terminals, analog input with 12-bit resolution, and analog output. Its operating panel features local control and seven-segment display. Easy-toaccess mounting allows for quick installation, and low-noise motor operation is possible due to effective PWM frequency up to 32 kHz.

Available in two model sizes covering a power range from 0.37 to 4.0 kW, the Movitrac LTE is suited for applications that include fan and ventilation systems (HVAC), pumps, and motor control in tool manufacturing and metalworking, conveying, machining, and materials handling systems.
For Free Info Visit http://info.ims.ca/5081-308

Motor Control IC
The MC73110 Motor Control IC with precision velocity loop for brushless DC motors from Performance Motion Devices (PMD, Lincoln, MA) is suitable for applications such as semiconductor and medical automation.

This compact, intelligent single-axis IC operates in internal velocity profile mode, velocity mode with an external velocity command signal, or torque mode with an external torque command signal. It uses velocity feedback from either an encoder or via a direct-input analog tachometer signal. A velocity scalar term, and an averaging velocity estimator, enables precision velocity control of motor speed and acceleration.
For Free Info Visit http://info.ims.ca/5081-320

Stepper Motor Controllers
Providing control for unipolar stepper motors up to 35 V and 3 Amps/phase, Saelig Co. Inc.’s (Pittsford, NY) Easy-Step 3000 motor drive and control system is suitable for use into robots and other industrial control equipment.

The system measures 63.6 x 26.4 mm and can drive motors in full 2-phase, full 1-phase, and halfstep modes using an easy-to-use command set. Four modes of operation are supported: Direct Command Set, Slave/Remote — Pulse Mode, Voltage Mode, and Teach Mode.
For Free Info Visit http://info.ims.ca/5081-323

 

April

High-Count I/O Solution
Motion Engineering, Inc. (MEI, Santa Barbara, CA) offers a family of modular SynqNet I/O products compatible with any SynqNet network and any SynqNet motion control platform. The SQIO product line is comprised of a SynqNet Interface Device (SQID) and flexible analog and digital add-on boards, providing machine builders a modular and cost effective highcount I/O solution.

The SynqNet I/O family provides up to 256 digital inputs and outputs, and 16 analog inputs and outputs per SQID. A total of 32 SQIDs can be installed on a SynqNet network. SQIO can be easily integrated to work with existing machine I/O and is also offered as part of a SynqNet developer kit solution for custom OEM solutions.
For Free Info Visit http://info.ims.ca/4834-312

 

February

Motor Speed Control
Midwest Motion Products’ (Watertown, MN) MMP.115VAC-12VDC Brushed Motor Speed Control accepts standard 115 Volt AC wall current and features a continuous output current of 5 A at 12 VDC out. The DC power supply and the control module are packaged on a 6x6-in2 aluminum base plate. Each unit is provided with a 10 KO speedadjust potentiometer and the terminals and connectors required to provide the AC input to the on board power supply.

The chassis has four through holes for mounting (0.25" in diameter and 5.5" apart, center to center). Typical applications include instrumentation, medical, rotating signage, and point of purchase displays.
For Free Info Visit http://info.ims.ca/4465-906


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