Allen Bradley 1771-IAN 32-Point Digital AC/DC Input Module
Allen Bradley PLC-5 Digital AC/DC Input Module
The Allen-Bradley 1771-IAN is a vital component within the PLC-5 control system, functioning as a Digital AC/DC Input Module. It offers 32 discrete input points, organized into four sets of eight, enabling seamless integration of field devices with the PLC processor. This module is designed for 120V AC/DC applications and operates within an AC voltage range of 85-138V.
This module is extensively used in industrial automation for interfacing with devices such as pushbuttons, limit switches, and sensors. Its modular design and features like optoelectrical isolation and input filtering provide robust protection against electrical noise and transients, ensuring reliable system operation.
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| Module Type | Digital AC/DC Input |
| Number of Inputs | 32 (4 Sets of 8) |
| Voltage Category | 120V AC/DC |
| AC Operating Voltage | 85-138V AC |
| Backplane Current | 280mA |