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Allen-Bradley is the brand-name of a line of factory automation equipment owned by Rockwell Automation.The company, with revenues of approximately US $6.4 billion in 2013, manufactures programmable logic controllers (), human-machine interfaces, sensors, safety components and systems, software, drives and drive systems, contactors, motor control centers, and systems of such products.
In 1985, Rockwell International purchased Allen-Bradley for $1.651 billion; this was the largest acquisition in Wisconsin's history to date. [3] For all intents and purposes, Allen-Bradley took over Rockwell's industrial automation division. The 1990s featured continued technology development, including the company's launch of its software ...
The tower made an appearance on the NASCAR Busch Series race car of Mike Bliss in 2004. To celebrate Rockwell Automation and Allen-Bradley's 100-year association, the #20 Rockwell Automation car was painted black with gold accents, along with the Rockwell/Allen-Bradley 100 Years symbol on the hood and quarter panels.
He was involved in the invention of the Allen-Bradley programmable logic controller [14] [15] [16] and is credited with coining the PLC acronym. [ 11 ] [ 14 ] Allen-Bradley (now a brand owned by Rockwell Automation ) became a major PLC manufacturer in the United States during his tenure. [ 17 ]
Rockwell acquired the privately held Allen-Bradley Company for US$1.6 billion in February 1985 – US$1 billion of which was cash – and became a producer of industrial automation hardware and software. During the 1980s, Anderson, his CFO Bob dePalma, and the Rockwell management team built the company to #27 on the Fortune 500 list. It boasted ...
DeviceNet was originally developed by American company Allen-Bradley (now owned by Rockwell Automation). It is an application layer protocol on top of the CAN (Controller Area Network) technology, developed by Bosch. [2] DeviceNet adapts the technology from the Common Industrial Protocol into an open standard. [3]
Another version was done by Mike Kraft, who had previously worked with Bud Haggart and known as the "retro encabulator" using an Allen-Bradley motor control center and referencing other brands owned by Rockwell Automation. This version was put online and made its way to eBaum’s World, where it gained quite a bit of notoriety. [8]
DF-1 / DF1 protocol is an asynchronous byte-oriented protocol that is used to communicate with most Allen Bradley RS-232 interface modules. DF1 protocol consists of link layer and application layer formats. DF1 works over half duplex and full duplex modes of communication.