FKL Series M18 Photoelectric Sensor Installation Manual

This document is an installation manual for Automation Direct's FKL series M18 cylindrical photoelectric sensors, covering models with diffuse reflection, polarized retro-reflective, through-beam, and background suppression (BGS) types, including laser class 1 and 2 variants. It provides detailed technical specifications, wiring diagrams, sensitivity adjustment procedures (teach-in and trimmer), safety warnings, and dimensional drawings for axial and radial optic configurations.