See terms for more details. Do you have a Allen-Bradley 1794IB16 Input Module Flex I/O Ser A New in Box 16 Sink 24 VDC you'd like to sell? PLC Input & Output Modules are modules used to interface with sensors and actuators in a machine or process. They include digital input modules, digital output modules, analog input modules, and analog output modules. About MFG: Allen-Bradley is part of Rockwell Automation. Rockwell Automation is built on a strong foundation of integrity. Our reputation for quality, reliability, and innovation is represented by the brands our products, software, and services carry. Allen-Bradley is a brand of industrial automation and information technology products. Founded in 1903 by Lynde Bradley and Stanton Allen as the Compression Rheostat Company, Allen-Bradley started as a manufacturer of electrical components such as rheostats, switches, and relays. Allen-Bradley later developed programmable logic controllers (PLCs), human-machine interfaces (HMIs), sensors, software, and more. Allen-Bradley is owned by Rockwell Automation since 1985. All trademarks, brand names and brands appearing herein are the property of their respective owners.