D40Z Compact Non-Contact Door Switch Manual

This document describes the OMRON D40Z compact non-contact door switch, which achieves the highest safety level (PLe/Safety Category 4 per ISO 13849-1) using an electromagnetic induction method. It highlights features such as series connection of up to 30 switches, visible safety via LED indicators, redundant internal circuits, and compatibility with G9SX-NS and G9SP safety controllers for centralized monitoring and fault diagnosis.