The new Allen-Bradley CompactLogix controller from Rockwell Automation (www.rockwellautomation.com) offers a SERCOS interface, EtherNet/IP connectivity and a powerful processor. Controlling up to four axes of motion, the 1768-L43 is designed for applications requiring speed, motion synchronization and information-sharing capabilities in a small, modular footprint. It combines motion and sequential control into a single, integrated multitasking platform and supports a full range of networks including DeviceNet, ControlNet and EtherNet/IP. The controller uses the same Logix control engine, motion, networking technology and communications services as the A-B ControlLogix and SoftLogix controllers.
The first Tacoma Narrows Bridge was a Washington State suspension bridge that opened in 1940 and spanned the Tacoma Narrows strait of Puget Sound between Tacoma and the Kitsap Peninsula. It opened to traffic on July 1, 1940, and dramatically collapsed into Puget Sound on November 7, just four months after it opened.
Noting that we now live in an era of “confusion and ill-conceived stuff,” Ammunition design studio founder Robert Brunner, speaking at Gigaom Roadmap, said that by adding connectivity to everything and its mother, we aren't necessarily doing ourselves any favors, with many ‘things’ just fine in their unconnected state.
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