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About Servo Drives

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Servo drives provide electrical outputs to servo motors in closed-loop motion control systems that use positional feedback and corrective signals to optimize position, speed, and accuracy. They control one or more axes, provide analog or digital control signals, and often feature integral motion controllers. Servo drives are used with many different types of motors. AC and DC motors feature brushed or brushless designs and are suitable for a variety of industrial applications. Brushed motors provide commutation via physical contacts, usually spring-loaded graphite brushes. Brushless motors provide commutation electronically, without physical brush contact, and use trapezoidal or sinusoidal drives. Trapezoidal servo drives successively energize two motor windings at one time before proceeding to the next pair. Sinusoidal servo drives provide three sinusoidal signals to three motor windings at one time. Other motor types for servo drives include linear motors, voice coil motors, and vector motors.

Servo drives differ in terms of electrical ratings, operating parameters, configurations, and features. Electrical ratings include maximum output voltage, rated power, continuous output current, peak output current, AC supply voltage, and DC supply voltage. Servo drives use either single-phase or three-phase inputs at 50, 60, or 400 Hz. Operating parameters include specifications for setup and control. Some servo drives have manual controls such as knobs, DIP switches, jumpers or potentiometers. Others include a joystick, digital control panel, computer interface, or slots for PCMCIA cards. Control programs can be stored on removeable, nonvolatile storage media. Hand held devices are designed to be programmed remotely. Wireless and web-enabled controls are also available. Configurations for servo drives include several mounting styles. Most devices mount on a chassis, DIN rail, panel, rack, wall, or printed circuit board (PCB). Standalone devices and integrated circuit (IC) chips that mount on PCBs are also available. Features for servo drives include soft starting; dynamic, injection, or regenerative braking; brake outputs or auxiliary inputs/outputs (I/O); auto-tuning, self-diagnostics, and status monitoring; and alarms for conditions such as overvoltage. 


Products & Services Related to Servo Drives
AC Motor Drives
AC motor drives interface controllers to AC motors. They match the control signals (voltage and power levels) as well as the signal type (analog or digital). They also provide power conversion, amplification, and the sequencing of waveform signals.
DC Motor Drives
DC motor drives act as the interface and power supply between a motion controller and a DC motor.
Motion Control Systems
Motion control systems contain matched components such as controllers, motor drives, motors, encoders, user interfaces and software. Components in these systems are optimally matched by the manufacturer.
Motion Controllers
Motion controllers range from simple linear controllers to complex, user-programmable modules that act as controllers within complex integrated multi-axis motion systems.
Motor Controllers
Motor controllers receive supply voltages and provide signals to motor drives that are interfaced to motors. They include a power supply, amplifier, user interface, and position control circuitry.
Motor Speed Controllers
Motor speed controllers are electronic devices that control motor speed. They carry specifications for drive type, product classification, electrical ratings, and operating parameters.
Stepper Motor Drives
Stepper motor drives power unipolar and bipolar stepper motors in full step, half step, and microstep motion control applications.

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Engineering Web: Servo Drives
Pages: 1 - 5 of 1108651
Servo Drives from Parker Hannifin
... Solutions TQ10/TQ10SD/TQ10X Brushless Servo Systems APEX 10/20/40 Analog Servo Drives APEX 6151/6152/6154 Servo Drive/Controllers BD-E Series Brushless Servo Systems BLH & BLHX Brushless Servo Systems ...
Servo drives
from the serious department.... Servo drives. Posted by Steve on 19 September, 2007 - 11:03 pm. I would like to know information on servo drives such as how they work and what they need to run.. Reply ...
Bardac Drives: DC Servo Drives
drive.web. *AC Drives. *DC Drives. *Servo Drives. *Modulus Packaged Drives. *Ancillary Products. *Winder Controls. *Motors. *Retrofit Solutions. *Sales. *Support. *Drive Technology Training. * ...
See Bardac Drives Information
Re: Servo drives

Vix Series Digital Servo Drives
Servo Drives. 192-070001N2 / UK. June, 2003. 1600.311.02/UK. ViX Servo Drives. ViX - a picture of integration. With the launch of the all-new ViX intelligent digital servo drive, Parker Hannifin's ...

Part Numbers for Servo Drives

Part # Distributor Manufacturer Product Category Description
BLuDC9 series Electromate Applied Motion Products, Inc. Servo Drives 30-400W motor, optional Si and X, QuickTuner™ software w/ oscilloscope
BLuDC9 series Electromate Applied Motion Products, Inc. DC Motor Drives 30-400W motor, optional Si and X, QuickTuner™ software w/ oscilloscope
BLuDC9 series Electromate Applied Motion Products, Inc. AC Motor Drives 30-400W motor, optional Si and X, QuickTuner™ software w/ oscilloscope
BLuDC4 series Electromate Applied Motion Products, Inc. Servo Drives 30-100W motor capability, optional Si and X command mode, alarm output
BLuDC4 series Electromate Applied Motion Products, Inc. AC Motor Drives 30-100W motor capability, optional Si and X command mode, alarm output

More >>
See more product announcements for Servo Drives
New Servo Drive For Low Power Applications

New Servo Drive For Low Power Applications
Danaher Motion


DigiFlex® Performance™ servo drives

DigiFlex® Performance™ servo drives
Advanced Motion Controls


Servo Drive

Servo Drive
ORMEC Systems Corp.


11 See more product announcements for Servo Drives

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