The Allen-Bradley 1771-NIV is a high-resolution analog input module from the PLC-5 product line. It features eight (8) isolated input channels capable of handling voltage or current signals. Each input supports a ±5V or ±20 mA signal range, making it suitable for a variety of analog sensors and transmitters. The 1771-NIV installs into a standard 1771 I/O chassis and provides accurate and reliable signal processing for demanding industrial applications. Its isolation and precision make it ideal for process control environments requiring noise immunity and high data integrity.