The types and functions of a photoelectric sensor
Balluff's capacitive photoelectric sensor includes diffuse sensors, retro-reflective sensors, and through-beam sensors.
The light source has a red light, includes infrared and laser type, NPN/P NP, Analog 4 ~ 20 ma, 0 to 10 VDC, and IO-LINK.
1. Diffuse2. Retro-reflective sensors3. Through-beam sensors4. Fiber and amplifer5. Photoelectric distance sensors