Allen-Bradley 1764-24BWA Digital Input Module

Allen-Bradley 1764-24BWA MicroLogix 1500 base unit (digital input module) provides 24 discrete I/O points in a single base: 12 24V DC digital inputs and 12 relay outputs, designed for use with MicroLogix 1500 controllers. It is powered from 120 VAC and connects to the backplane for processor communication, with input circuits specified for 24V DC operation and sinking inputs. The first four input channels (I:0/0–I:0/3) support high-speed input operation up to 20 kHz, enabling fast sensing of mechanical or safety signals, while the remaining inputs handle standard discrete sensing. The 12 relay outputs offer straightforward switching for actuators, indicators, or alarms, making this base suitable for compact automation tasks that require reliable digital I/O and robust control of devices in a small footprint. Compatibility includes MicroLogix 1500 processors such as the 1764-LSP or 1764-LRP for expansion, and the unit is part of the Series A product family. Typical power consumption is around 39 W, reflecting the combined load of inputs and relay outputs. This 24-point base unit is ideal for retrofit projects, small conveyors, zone interlocks, limit-switch logic, and other applications where a ready-to-use I/O base with mixed inputs and relays minimizes wiring and cabinet space while delivering dependable digital control.