Product category:
Drives, motors and power transmission, couplings, clutches
News Release from: WEG Electric Motors (UK) | Subject: CFW-08 range of compact drives
Edited by the Manufacturingtalk Editorial
Team on 15 July 2003
Compact drives do not require
compromises
With this range of compact drives users do not have to compromise on drive size, performance, ease of use or price, says the manufacturer.
WEG's new CFW-08 range of compact drives is proof positive that users don't have to compromise on drive size, performance, ease of use or price Catering for single phase applications from 0.18kW to 3.7Kw, and three phase applications from 0.25 - 7.5kW, the highly compact CFW-08 integrates the latest DSP (Digital Signal Processor) and 16bit Space Vector Modulation for optimised motor control and quiet operation
This article was originally published on Manufacturingtalk on 18 Dec 2007 at 8.00am (UK)
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Avoid torque peaks during motor start-up
A flexible torque control provides a practically linear speed ramp during the whole motor starting process, avoiding torque peaks that can otherwise produce abrupt accelerations.
The CFW-08 operates in two control modes, V/F and Sensorless Vector, and packs in a host of special features for the user, including "S" acceleration and deceleration ramps, local remote control, DC braking, torque boost, motor slip compensation, JOG, ride through, multispeed (up to 8speeds), maximum and minimum adjustable speeds, two skip frequencies, flying start and many more.
The first of the CFW-08's control modes, V/F, is suited to variable torque loads and includes a selectable energy saving feature, which reduces motor losses when operating at lower speeds.
This control mode also permits the drives to operate in multi-motor applications where more than one motor is supplied by a drive.
The alternative operating mode, Sensorless Vector Control, allows the drive to precisely control the speed and torque of a motor, enabling the CFWO8 to be used on demanding duties such, as extruders, conveyors and, rewinders, (etc).
Extending the operating scope of the CFW08 range is a comprehensive range of options, providing maximum application flexibility.
These include 'Superdrive', WEG's own software program for drive control from a PC or PLC, and RS232 and RS485 communication modules.
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