The Honeywell 2MLR-DMMA is a specialized Dummy Module designed exclusively for the ML200R series rack systems. Its primary function is to occupy and seal empty power supply slots within the chassis, ensuring operational safety, maintaining proper airflow, and preserving the structural integrity of the control system. In modular automation platforms like the Honeywell ML200R, unused power supply positions can pose several risks if left open. These include the accumulation of