The Allen-Bradley 1746-IV16 is a sourcing discrete input module designed for the Allen-Bradley SLC 500 Programmable Logic Controller (PLC) system. This digital input module features sixteen (16) input channels that operate at a nominal voltage of 24V DC with an input range of 10 to 30V DC, making it ideal for industrial automation and control applications. The 1746-IV16 module includes one group of 16 channels and has a backplane current draw of 0.085 amperes at 5V DC. It supports a maximum off-state voltage of 5V DC and provides a nominal input current of 8 milliamperes at 24V DC, ensuring reliable and accurate signal detection for high-performance industrial control systems.