Servo range completed

Published: 04 February 2008  12:00 AM
Industry Channel: None
Source: The Engineer Online
Company: Lenze Ltd

Lenze have extended their small servo drive range with new models and a complete set of matching accessories.  The PositionServo range of small drives suits cases where the motion control is external or alternatively where the drive handles simple positioning applications such as pick and place or production line handling machinery.  PositionServo is available for single or three phase supplies with rated outputs of 4 to 10A.

The extended range includes plug-in communication modules for CANopen, Ethernet, Modbus and RS485.  Ether resolver or encoder feedback can be specified.  EMC filters are integrated on 230V 1-phase models and available for footprint or side mounting on others.  To complete the installation package, Lenze offer pre-assembled power and communication cables.

There are two ranges of matched synchronous servo motors available for PositionServo giving a particularly wide range of speeds and inertias.  This allows selection of the optimum drive for the application.  Rated torques are from 0.5 to 51Nm with peak torques up to 190Nm.  Motor options include IP65 enclosure, holding brakes and matched gearboxes.

The PositionServo drives are compact and dynamic.  Peak currents of 300% nominal are available for up to 2 seconds.  Reaction times as short as 2ms are achieved by 64 bit processing.  Small dimensions and simple bookshelf mounting save panel space – even the largest 10A drive has a footprint of only 103 x 190mm.

In common with other Lenze AC-Tech drives, PositionServo features the pluggable EPM memory chip.  This holds the complete drive parameters and can be copied in a hand-held programmer in less than 2 seconds.  Preparing a new drive becomes a swift task that can be done without a laptop or skilled personnel – the drive does not even need to be powered.

PositionServo can be used as a basic drive or a stand-alone fully programmable controller.  With the complete package from drive through communications, motors and cabling, it can help to reduce acquisition costs, also to speed-up installation and commissioning.

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