The Allen-Bradley 1746-IA16 16-point Digital Input Module provides reliable AC input detection for SLC 500 PLC systems, monitoring 110–120V AC discrete signals. This chassis-mounted module offers 16 input channels and accepts 110–120V AC inputs at 50/60 Hz, designed for AC discrete inputs from switches, relays, and field devices. Common applications include conveyors, packaging machines, assembly lines, and process equipment where AC input signaling is required, and it supports input module replacement, system expansion, and PLC retrofit within existing SLC 500 installations.
