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Rockwell upgrades AC drives

Rockwell has expanded the power range of its Allen-Bradley PowerFlex 755 AC drives to 450kW, and includes integrated motion.

A key feature of the PowerFlex 755 drive is its roll-out capability, which allows easy access to the drive for fast installation and maintenance.

The drive’s modular design helps simplify replacement of drive components, such as cooling fans, circuit boards and major subassemblies.

This modularity also allows the drive’s converter and control pod to remain in the unit while the inverter is rolled out so control wiring can remain connected.

The PowerFlex 755 drive comes equipped with an embedded Ethernet port and five option slots that allow users to tailor the drive.

Options include I/O, feedback, safety, additional communications and auxiliary control power input.

The PowerFlex 755 now also supports Integrated Motion, which means PowerFlex and Kinetix drives can be on the same EtherNet/IP network and configured, programmed and controlled using RSLogix 5000 via motion instruction sets.

Integrating the PowerFlex 755 with ControlLogix controllers through Integrated Motion allows users to expand their system solutions to include drives with a higher power range, wider selection for feedback and motor support along with configuring, controlling and monitoring.

Application programs can also be developed independent of the drive allowing users to employ PowerFlex 755 drives along with Allen-Bradley Kinetix servo drives, without any application program impact.

It supports induction and permanent-magnet motors, including Allen-Bradley MP-Series, RDD-Series and HPK-Series servo motors. The drive also supports multiple feedback interfaces, including: Incremental, EnDat and Hiperface for Stegmann and Heidenhain high-resolution feedback, SSI and BiSS for rotary and linear applications.

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