Motor drives "hunt" for success

MalAsia strikes drive manufacturers, but motion control is stepping up, according to CONTROL Senior Technical Editor Rich Merritt's Product Roundup of motor drives and motion control devices.

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Smart Servo Installs Quickly
Smartstep servo motor and drive can be set up and running quickly and easily by simply plugging it in and setting the rotary and DIP switches on the front panel. If it has a technical problem, the drive will display an alarm number that indicates what caused the fault. Its autotune function makes motor tuning nearly effortless and, for quick installation, prefabricated cables connect drive to company’s position control modules. The motors and drives start at $960. Omron

Microstepping Motion Controllers
Additions to MDrive line include models with NEMA motor sizes 14, 17, 23 and 34, in a choice of stack lengths. All have microstepping, speed control with oscillator, and motion control with indexer. Options include an encoder, linear actuator, planetary gearbox, and rear knob for manual control. Applications include instrumentation, packaging, semiconductor, robotics, test and measurement, labeling, inspection, engraving and material handling. Intelligent Motion Systems 

Drive Enhancements Get Open
Enhancements to ACOPOS drives include the addition of PLCopen motion control function blocks and sensorless operation of synchronous and asynchronous motors. Software makes it possible to run motors in servo mode with feedback, or in frequency inverter mode without feedback. Applications which use synchronous or asynchronous motors without encoders can be integrated with servo motors in the network. Programming languages include ladder diagram. structured text, Automation Basic or ANSI-C. B&R Industrial Automation 

CNC Controller Talks to Drives
IndraMotion MTX CNC uses SERCOS for real-time communication with intelligent electrical or hydraulic drives. The CNC provides a maximum interpolation time of 1 ms when controlling eight axes. One controller can operate up to 64 axes using 12 independent CNC channels.  The controller is suitable for 3D machining of complex workpieces on 5 and 6-axis machines in tool and mold making applications. Rexroth

Inverter Drives Three-Phase Motors
The Sinamics G110 low power AC drive frequency inverter operates variable-speed, three-phase motors on single-phase line power supplies.  It is rated for 200–240V input with a power range of 1/6 to 4 hp, and is available in three frame sizes. Siemens Energy & Automation 

Modules Extend Drive Products
Enhancements to the ACS800 industrial drives include rectifier and DC-supplied inverter modules, which enable users to wire input power via a single three-phase AC connection, with each inverter unit sharing the bus. Compared to the company’s other products, these drives free up more floor, wall and panel space to install other electrical components, or use for other operations. ABB 

Servo Drives Connect to Fieldbus
Kollmorgen S300 Series servo drives connect to DeviceNet, Profibus, SERCOS and CANopen. Drives are available as drive-only or with a single axis control card for complex motion tasks. The compact drives offer 1.5-70 A, 115-480 VAC operation, and are suitable for smaller power, space-restricted applications in industries such as packaging, material handling, converting and plastic molding. Danaher Motion 

Adjustable-Frequency Drives
VLT 4152 and 4352 Series drives for variable torque applications are 35% smaller than their predecessors. The NEMA 12/IP54 drives have RFI immunity to EN 55011 class B, integral disconnect with fuse option, 98% operating efficiency, and single box lug or dual cable leg power termination. Drives work in ambient temperature ratings of 40–45° C. Logic routing includes tie-down provisions to simplify installation and protect against noise disturbance. Danfoss Drives 

Servo Amplifiers Get Smart
The MMC Smart Drive servo amplifiers provide 0.5–24 kW continuous output power for 230 and 460-VAC systems. Configuration, tuning and maintenance are accomplished via PiCpro software. The software also allows programming in ladder logic, function block, and structured text languages, and allows development of multi-axis motion control solutions. The amps have phase to phase and phase to ground short circuit protection. G&L Motion Control 

Drive Hits the High Notes
The Cornet drive with Composer software makes this drive sound sweet. The software can be used for set up, configuration, tuning, a ‘scope, and displays. The drive provides up to 3-kW continuous power and 6 kW of peak power in a 7 x 5 x 3-in. package weighing 2.4 lb. It has 32 kB of user programmable memory for controlling complex motion profiles, event triggering, and capturing data. Elmo Motion Controls 

Stepper Drive Starts at $19
The SureStep family of open-loop stepping systems includes four motors with holding torques from 83–434 oz-in, NEMA size 17, 23 or 34 frames, and prices from $19– $149. Models are available with 200–2,000 steps per revolution. A nine-position DIP switch is used to set up the drive for self test, step angle selection, current level selection, and idle current reduction. No software or add-on resistors are required for configuration. Automation Direct 


Motion Control System Goes Modbus
Enhancements to V 2.5 of the Axiom Plus motion control system include an analog input, ModBus RTU connectivity, and improvements to the software, such as a debugging mode, “watch window” for monitoring changing values of registers and flags, and sequential programming functions. The analog input can also be used for digital inputs. Tol-O-Matic 

Brushless DC Motor Gets Integrated
The “NEMA Size 23” motor has an integrated drive for controlling speed and direction with pulse-width modulation. The motor can be configured for unidirectional on/off operation for controlling speed, direction and tachometer output. An optional resistor and capacitor will supply DC voltage proportional to motor speed. Drives are available at 24– 48 VDC with continuous current ranges from 1–5 A, 10-A peak. EAD Motors 

Brushless DC Motor Expands and Controls
Enhancements to the BX Series brushless DC motor include models with outputs of 200 and 400 W, quiet gearheads or round shafts, electromagnetic brakes with stationary position hold, and controllers. The standard-speed controller provides a ratio of 100:1 with no reduction in torque, while the OPX-1A control module provides speed control with position and torque control. Oriental Motor

AC Drive Takes on Servos
The G7 adjustable-frequency AC drive gets servo performance from induction motors. It has a three-level power architecture at 480 V to eliminate problems with IGBT switching, protect from motor insulation failure, and lower motor noise. The drive is suitable for speed, torque or position control applications. It supports DeviceNet, Profibus-DP, Modbus Plus, and Ethernet Modbus TCP/IP networks. Programming is via DriveWorksEZ software on a PC. Yaskawa

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