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The Allen-Bradley 1771-IA2 is a highly efficient PLC 5 Digital AC/DC Input Module designed for seamless integration into your control system. It efficiently converts AC signals from connected devices to the necessary logic level for the processor and directly manages the data table bits, interfacing with devices such as pushbuttons, limit switches, and motor starters. With its compact modular design, it supports , 1, and 2-slot I/O addressing and offers 8 inputs, each capable of handling 120V AC/DC within a range of 87 - 138V AC or 97 - 138V DC. Featuring a robust input filtering system and optoelectrical isolation, it ensures protection against electrical transients and reduces noise. The module also includes a 1771-WA wiring arm for easy module replacement and provides visual feedback through 8 orange status indicators, making it an indispensable component for efficient and reliable process control.