The 1769-IQ16 is a digital input module for the Allen-Bradley CompactLogix family of programmable logic controllers (PLCs). It is designed to be used with the CompactLogix chassis, specifically the 1769 Compact I/O system.

The 1769-IQ16 module provides 16 digital inputs, and each input can be wired to either a sinking or sourcing configuration. It supports a wide range of input voltage levels and can handle both AC and DC inputs. The module uses removable terminal blocks for easy wiring and installation.

To use the 1769-IQ16 module, you would typically connect your digital input devices, such as push buttons, limit switches, or proximity sensors, to the designated input terminals on the module. The module then communicates with the CompactLogix CPU and allows you to monitor and control the state of the connected input devices in your PLC program.

Once the module is installed and properly configured in your PLC system, you can program the CompactLogix PLC using the appropriate software, such as RSLogix 5000 or Studio 5000. Using ladder logic or other supported programming languages, you can write logic to read and respond to the status of the digital inputs connected to the 1769-IQ16 module.

Overall, the 1769-IQ16 module is a reliable and versatile digital input module for your CompactLogix PLC system, allowing you to integrate various input devices into your automation application.