Allen-Bradley PowerFlex 755 AC drives

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Rockwell Automation has expanded the power range of its Allen-Bradley PowerFlex 755 AC drives to 450 kW. Featuring advanced diagnostics and a roll-out design, the drive is suitable for motor control applications in a variety of heavy industries, including oil and gas, tyre and rubber, refining, materials handling, metals and mining. This power range extension expands the PowerFlex 755 AC drive offering from 0.75 kW up to 450 kW at 400 VAC input.

The roll-out capability of the PowerFlex 755 allows easy access to the drive for fast installation and maintenance. The drive’s modular design helps simplify replacement of drive components, and also allows the drive’s converter and control pod to remain in the unit while the inverter is rolled out, so that control wiring can remain connected.

Advanced diagnostic capabilities include indication of blown fuses and blown surge protectors. Monitoring and tracking operating data on cooling fans, I/O relay cycles and motor run times also provides valuable data for preventative maintenance, helping to reduce unplanned downtime.

The drive is equipped with an embedded ethernet port and five option slots that allow users to tailor the drive to best suit their application. Options include I/O, feedback, safety, additional communications and auxiliary control power input.

The PowerFlex 755 now supports Rockwell Automation Integrated Motion, allowing it to be configured and controlled using motion profiles and instruction sets in an Allen-Bradley ControlLogix controller with Rockwell RSLogix 5000 software.