The Allen-Bradley 1791D-16B0X is a 16-point expansion module from the CompactBlock I/O series, featuring sixteen 24 VDC discrete inputs configured as sinking inputs in two groups of eight. It supports DeviceNet communication and includes an integrated power supply for reliable operation. This module is compatible with PLC, SLC, or SoftLogix programmable controllers using DeviceNet scanners, providing seamless integration in industrial automation systems. In North America, Europe, and Asia, the 1791D-16B0X may possibly enhance I/O expansion capabilities and could potentially be deployed across the globe, making it an essential component for professional industrial automation and DeviceNet connectivity.