Allen-Bradley 1756-IB16D Diagnostic Input Module

The Allen-Bradley 1756-IB16D Diagnostic Input Module provides 16 discrete 24 VDC inputs with built-in diagnostics for ControlLogix systems, enabling reliable signal acquisition with detailed health reporting. It is designed for installation in 1756 ControlLogix chassis and control cabinets to read input statuses from sensors and switches, provide enhanced diagnostics, and serve as an expansion or replacement of legacy input modules. Features include screw-terminal field wiring, sinking/sourcing compatibility, individual input and module status LEDs, transient suppression and short‑circuit protection, and operation within an industrial temperature range for fast, reliable performance. The 16-point Series A module is compatible with the Allen-Bradley ControlLogix PLC family and is commonly used in conveyors, packaging machinery, assembly lines, material handling equipment, and safety interlock systems that rely on 24 VDC inputs from proximity sensors and pushbuttons.