Allen-Bradley Flex I/O (1794- / 1797-) is a versatile, distributed I/O system designed to reduce wiring costs and installation time. Its modular architecture consists of a terminal base, an I/O module, and a communication adapter, allowing for easy hot-swapping under power. Technical characteristics include support for a wide range of discrete, analog, and specialty modules with hazardous area (Ex) certifications available in the 1797 series. Functionally, Flex I/O links field sensors to ControlLogix or CompactLogix controllers over multiple networks. This flexibility makes it ideal for distributed process control in oil and gas, chemical processing, and wastewater treatment applications.
