This Allen-Bradley PLC Input Module is a high-quality analog signal input module designed to work with the PLC-5 controller platform. The model number for this module is 1771-IR and it is a great choice for those in need of a reliable and efficient PLC input module. This module is ideal for use in a variety of industrial automation and motion control applications.nnWith its brand name and proven performance, this Allen-Bradley PLC Input Module is a must-have for anyone looking to upgrade their PLC system. Its analog signal input module is perfect for providing accurate and reliable input data to your PLC system. This module is compatible with a wide range of industrial automation and motion control systems, making it a versatile and valuable addition to any industrial setting.