The Allen-Bradley 1746-OA16 is a 16-channel AC output module for the SLC 500 programmable logic controller, designed to switch 120/240 VAC loads from a single backplane. It provides sixteen discrete outputs that can drive external devices such as relays, contactors, lights, or other AC loads controlled by an SLC 500 processor. The OA16 installs in a standard 1746 I/O chassis and interfaces with the controller over the SLC 500 backplane, extending the system's digital output capacity for AC-powered applications in automation and process control.
