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AutomationDirect, Cumming,GA, has added new NEMA 4X AC drives to its IronHorse brand of drives. According to the company, these high-performance VFDs support four control modes, including V/Hz, slip compensation, sensorless vector, and torque control, and come in a variety of voltage and horsepower ratings.

The ACN/ACNND series drives can control 230VAC three-phase motors up to 20 hp when powered with 230VAC three-phase, and up to 10 hp when powered with 230VAC single-phase. The 460VAC models support motor sizes up to 30 hp when powered with 460VAC three-phase, and up to 15 hp when powered by 460VAC single-phase.

All models include ample built-in I/O and support Modbus RTU. Additional I/O is supported with option cards as well as Ethernet communications that allow the drive to be controlled and monitored over Modbus TCP or EtherNet/IP.

VFD Suite, a free, user-friendly software package, allows for configuration of the ACN/ACNND drive, programming of the sequence controller, and other advanced features, such as trending.

These IronHorse ACN and ACNND drives have an 18-month warranty.

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