ARTICLES

Integrated AC Servo Motor from JVL

by Patrick Curran, Online Editor

Wednesday, February 11, 2009






Motion Control Exchange


In recent years, integrated brushless servo motors from JVL have achieved a very high reputation throughout the world for their ingenious design. The existing range of 50 to 141W and 800W motors has now been supplemented with the introduction of a mid-range 400W model offering 1.3 Nm up to 3000rpm and shortly up to 1200W for highly dynamic applications.

jvl-mac400.jpg

All of these motors are small, compact, and easy to install and set up. The driver, controller, encoder and Hall sensor are all integrated within the motor in a robust, splash-proof housing. The basic motors offer the following standard features:

•Operating commands from PC/PLC via RS232/422/485
•Pulse/Direction or quadrature inputs for electronic gearing
•A+B encoder output
•Velocity and torque control, either controlled digitally or via ±12bit, ±10V inputs
•Positioning via digital interface
•Software-controlled end-of-travel stops
•Selection of acceleration, maximum velocity, torque, etc.
•6th-order servo filter
•Sine commutation with 2048 PPR encoder. (8196 pulses/revolution.)
•Alarm and ”in position” outputs
•3 inputs and 3 outputs for High Speed start/stop and capture applications
•Internal Power Dump

The new MAC400 provides the same features as the larger MAC800 model and in addition offers:

•Absolute multiturn encoder (Q2 2009)
•Prepared for PowerLink; EtherCAT; Ethernet/IP; ProfiNet and SERCOS
•Even lower cost due to newest technology and production techniques
•Improved 2-channel power dump circuit
•2 RS422 channels for encoder in/output and SSI encoder, etc.
•6 IO for capture of position; interrupt, counters, enable, timer and PLC functions
•High-speed serial interface
•Plugable power connectors
•Natural cooling, no fan

The new MAC400 model has been developed because of customer requests for a mid-range solution in the highly successful MAC series. The MAC400 fully lives up to the strict requirements JVL put on all the MAC motors regarding performance, versatility and reliability.

www.jvlusa.com

::Design World::

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