Guardmaster Safety Relays User Manual

This user manual provides installation, configuration, wiring, and operation instructions for Rockwell Automation Guardmaster safety relays, including catalog numbers 440R-S13R2, 440R-S12R2, 440R-D22R2, 440R-D22S2, 440R-EM4R2, and 440R-EM4R2D. It covers hardware features, mounting, grounding, power supply connections, safety inputs (mechanical contacts, OSSD outputs, safety mats, safety edges), and safety outputs (electromechanical and OSSD) with surge suppressor guidance.