If you have questions about our products, Fill out the form below and we will answer any questions you have. Tips: Fields marked with*are required. Allen Bradley 1746-IB16 Digital Input Module Smart DC Signal Acquisition for High-Performance SLC 500 Systems The Allen Bradley 1746-IB16 Digital Input Module is a dependable 16-channel DC input solution designed for the SLC 500 automation platform. Built to monitor field devices with *Your Name: *Your Email: *Your Name: *Vdcode: Submit