The Allen-Bradley 1756-IB16D is a ControlLogix digital DC input module manufactured by Rockwell Automation.
It provides 16 input channels with built-in diagnostic capabilities that detect conditions such as open wires and short circuits.
Operating within a voltage range of 10 to 31.2 Volts DC (nominal 24V DC), the 1756-IB16D is designed for reliable signal monitoring in industrial automation systems.
The module installs directly into a ControlLogix chassis slot and communicates seamlessly with Logix controllers, offering advanced fault detection and improved system uptime.