Allen-Bradley is the brand-name of a line of Factory Automation Equipment manufactured by Rockwell Automation

Rockwell Automation

Rockwell Automation is a global provider of industrial automation, power, control and information solutions. Brands in industrial automation include Allen-Bradley and Rockwell Software....

 (NYSE ROK). The company, with revenues of approximately US$4.5 billion in 2006, manufactures programmable automation controllers (PAC

Programmable automation controller

A programmable automation controller ' is a compact controller that combines the features and capabilities of a PC-based control system with that of a typical programmable logic controller . PACs are most often used in industrial settings for process control, data acquisition, remote equipment...

, PLC

Programmable logic controller

A programmable logic controller or programmable controller is a digital computer used for automation of electromechanical processes, such as control of machinery on factory assembly lines, amusement rides, or light fixtures. PLCs are used in many industries and machines...

), human-machine

Human-machine system

Human–machine system is a system in which the functions of a human operator and a machine are integrated. This term can also be used to emphasize the view of such a system as a single entity that interacts with external environment....

 interfaces, sensors, safety components and systems, software, drives and drive systems, contactors, motor control centers, and systems made of these and similar products.