AMIKON INDUSTRIAL SUPPLY / CONTROL SYSTEM COMPONENTS Allen-Bradley 1756-IA16I ControlLogix Isolated AC Digital Input Module 01 / OVERVIEW Product Overview The Allen-Bradley 1756-IA16I is an AC digital input module for ControlLogix automation systems. It receives field input signals and makes their status available to the controller for monitoring and control operations. It is intended for applications that require individually isolated input circuits. Typical uses include