Allen-Bradley 1746-IV32 SLC 500 32-Point Input Module

Allen-Bradley 1746-IV32 is a 32-point digital input module for the SLC 500 family that provides 24V DC sourcing inputs in a compact 1746 I/O module. It is designed for installation in a compatible 1746 I/O chassis and interfaces with Rockwell Automation controllers via the SLC 500 backplane, delivering 32 discrete input signals to the PLC. The module uses 24V DC sensing signals and includes fused VDC common connections to protect external wiring (one fuse per common). This 32-channel device is commonly used to read signals from 24V DC sensors such as limit switches, proximity sensors, pushbuttons, and other industrial inputs in machine automation, packaging lines, and process-control applications. For integration details, refer to the SLC 500 1746 I/O documentation, which documents 1746-IV32 as a 24V DC sourcing input option in the 1746 series, compatible with standard 1746 rack setups.