FR-J20N digital fiber optic sensor amplifier
Key Specifications & Features

• Type: Digital fiber optic signal amplifier (NPN output type) 
• Display: Dual digital screen display 
• Power Supply: DC 12V to 24V 
• Key Functions: High-speed response, timer functions, key lock to prevent accidental changes, and stable detection for small or transparent objects. 
• CAD Models: Available via platforms like 
• Where to Find: Listed on industrial and marketplace platforms such as 

Are you looking for wiring diagrams, compatible fiber optic cables, or troubleshooting/programming instructions for the FR-J20N?