Product spotlight: Servos & Steppers

May 1, 2006
Bipolar chopper drive DCS4020 bipolar chopper drive is easy to set up and use, featuring a single-power connection and ready-to-run motor and drive. Features

Bipolar chopper drive

DCS4020 bipolar chopper drive is easy to set up and use, featuring a single-power connection and ready-to-run motor and drive.

Features & benefits

  • Controls include full or half-stepping and directional and output-enable control

  • Motor current set with on-board potentiometer; no external current setting resistors required

  • External input/output signals allow complete control of all drive functions

Haydon Switch & Instrument Inc.
Waterbury, Conn.
(800) 243-2715
Circle 165

Servo-controller package

Model 940 PositionServo combines a high-performing servo drive with a simple and robust motion controller.

Features & benefits

  • Suits centralized and decentralized applications

  • Basic-like language for indexing and positioning; accepts traditional drive signals

  • Electronic programmable module transfers servo control parameters and motion control programs between drives in seconds

AC Technology, a member of the Lenze Group
Uxbridge, Mass.
(508) 278-9100
Circle 166

Servodrive system

XtraDrive servo system solves problems with flexibility, tuning, and compatibility in high-precision motion systems.

Features & benefits

  • Adaptive control eliminates system re-tuning by accommodating changing load requirements

  • Non-linear technology achieves zero settling time and optimized gain control

  • Features integrated amplifier with embedded 1.5 axis controller

  • Operates as a stand-alone unit; can also be driven by PLC or multi-axis controller for step and directional input, analog velocity or torque control, and networking

Yet US Inc.
Manchester, N.H.
(866) 938-8080
Circle 167


Allen-Bradley Kinetix 7000 drives integrate with logic controllers, servomotors, and actuators.

Features & benefits

  • Continuous output power from 22 to 150 kW

  • Offer asynchronous motor support, as well as synchronous permanent magnet motor support

  • Maintenance completed without power-down

Rockwell Automation
Milwaukee, Wis.
(800) 223-5354
Circle 168

Hybrid stepping motor

Size 11 hybrid stepmotor features high torque in a small package.

Features & benefits

  • Rare earth magnets generate 18 oz-in. torque

  • Magnetic circuit minimizes cogging torque for smooth motion

  • Measures 1.1 in.2 × 1.2 in. long

  • Permanently lubricated ball bearings give long life

  • Precision-ground rotors offer high angle accuracy

Dover, N.H.
(603) 742-3330
Circle 169

Dc servomotor

The MS15 series servomotor offers high size/weight power performance with dual-stage dynamic balancing, IP67 ratings, stainless-steel shafts, and bi-directional operation.

Features & benefits

  • Speeds to 10,000 rpm; continuous torque to 10 oz-in.

  • Output power to 50 W

  • Integrated gearheads from 2:1 to 4,096:1 ratios; 1.5-in. diameter

Dynetic Systems
Elk River, Minn.
(800) 899-4372
Circle 170

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