Danfoss'VLT Automation VT Drives are available for 240 and 480V ac single
and three phase, or 575 and 690V ac three phase operation with Â½ up to 1400 hp,
along with a wide range of industrial enclosure options, to support varied
A Smart Logic Controller
eliminates ancillary equipment to reduce installed costs, and main disconnects
and integral fusing reduces panel space requirements. Dedicated pump functions
simplify programming and commissioning. An optional one-wire Safe Stop can
reduce installed costs for applications with safe operation requirements.
All VLT Automation VT Drives feature an integrated dc link to eliminate
the need for external filters. Intelligent Heat Management removes excessive
heat to promote maximum drive operating life and has an ambient temperature
rating of 50C.
VLT Automation VT Drives
provide autotuning of PI-controllers to eliminate the potential for tuning, and
password protection reduces the potential for unauthorized changes to the drive
settings. They are available in a variety of industrial enclosures, from
protected chassis to IP66 (NEMA 4X indoor), suitable for harsh washdown
environments - without the need for customized panels. These drives provide
multiple language support to display all information in a user-selected
In this new Design News feature, "How it Works," we’re starting off by examining the inner workings of the electronic cigarette. While e-cigarettes seemed like a gimmick just two or three years ago, they’re catching fire -- so to speak. Sales topped $1 billion last year and are set to hit $10 billion by 2017. Cigarette companies are fighting back by buying up e-cigarette manufacturers.
Microchip recently released the 3D TouchPad, the first USB PC Peripheral device that couples 2D multi-touch input with 3D air gesture technology. The company seeks the help of developers to further enhance the capabilities of the technology.
To give engineers a better idea of the range of resins and polymers available as alternatives to other materials, this Technology Roundup presents several articles on engineering plastics that can do the job.
Focus on Fundamentals consists of 45-minute on-line classes that cover a host of technologies. You learn without leaving the comfort of your desk. All classes are taught by subject-matter experts and all are archived. So if you can't attend live, attend at your convenience.