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WEG Electric Motors Corp.: Variable-Frequency Inverters

November 10, 2008
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A series of variable-frequency inverters, CFW11, features the world’s most advanced technology for three-phase ac induction motor control, according to the manufacturer. It offers efficiency ratings greater than 97 percent, as well as innovations designed to improve motor control and operational functions. The plug-and-play technology automatically recognizes and configures the accessories and options being used, which allows easy installation and safe operation, while eliminating manual configuration. The frequency inverters also have a built-in memory card that allows users to create functions without the use of an external programmable logic controller (PLC) (soft PLC via IEC61131-3 programming software). This built-in feature on all standard CFW11 inverters eliminates the need to update inverter firmware. The variable-frequency inverters come with normal- and heavy-duty ratings. Two mounting options are available: flange and surface.

WEG Electric Motors Corp., 1327 Northbrook Parkway, Ste. 490, Suwanee, GA 30024; 800-275-4934; www.weg.net

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