An In-Depth Overview of the Allen-Bradley 1756-IH16I Input Module: Importance, Specifications, and Installation What is the Allen-Bradley 1756-IH16I Input Module? The Allen-Bradley 1756-IH16I is a crucial component of the Rockwell Automation ControlLogix platform. It acts as a high-voltage, digital input module that provides the interface between heavy-duty field devices and the central pro...