AC Drive offers multi-step speed operation.

Press Release Summary:

Available in open chassis models from 1/8 to 5 hp at 230 Vac and 1/2 to 5 hp at 460 Vac, Model J7 incorporates digital operator with 3-digit LED status display and analog speed potentiometer. Up to 4 multifunction inputs can be programmed to access 9 preset speeds. With digital programming that covers 79 parameters, J7 also offers one analog input, multifunction output, and analog output. Drive provides DC injection braking and accel/decel time selection.

Original Press Release:

Yaskawa's J7 AC Drive, Economical, Compact Performer

WAUKEGAN, Ill., Sept. 4, 2002 - - Yaskawa's J7 AC drive, an ideal choice whenever excellent performance, low cost, and small size are required, provides Volts/Hertz control and a full range of features for a wide variety of applications.

Offering excellent performance in general purpose speed control operations, the compact J7 is ideal for equipment control in applications including conveyors, grinders, centrifuges, pumps, fans and blowers used in material handling, packaging, food processing and commercial laundry.

The drive's digital operator includes a 3-digit LED status display and an analog speed potentiometer. Four standard multifunction inputs can be programmed to access nine preset speeds. Digital programming covers 79 parameters, providing the flexibility necessary for diverse applications.

The J7 features an analog input, a multifunction output and an analog output as standard. An optional RS-485 Modbus RTU serial communication port is available with up to 32 nodes on a single network.

Yaskawa's DriveWizard

Yaskawa's innovative DriveWizard Software, available as a J7 option, provides an effective tool for online and offline configuration, monitoring and archiving to a personal data assistant (PDA) or PC.

The new J7 is simple to install and set up, with easy access to operating constants via the Digital Operator's LED readouts. Operating conditions including output frequency and current are also monitored through the Digital Operator.

The drive features DC injection braking, critical frequency rejection, momentary power loss override, speed search, overtorque detection, multi-step speed operation and accel/decel time selection.

Protective functions include motor overload, overheat, overcurrent, under-current, phase loss and ground fault.

The J7 AC drive is globally compatible, conforming to CE, UL and CUL requirements. It is available in open chassis models from 1/8 to 5 HP at 230 VAC and 1/2 to 5 HP at 460 VAC.

Yaskawa is the world's largest producer of AC Drives. The drives business of Yaskawa Electric America, Inc. operates from facilities in New Berlin, Wis.; Waukegan and Buffalo Grove, Ill.; Los Angeles and offices throughout the Americas.

For more information on Yaskawa's new J7 AC drive, contact Yaskawa Electric America, Inc., 16555 W. Ryerson Road, New Berlin, Wis. 53151, Phone 800-927-5292, or visit Yaskawa's drives website at

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