RDL34018/20 safety light curtain sensor

RDL34018/20 safety light curtain sensor
Technical Specifications & WiringBased on the text printed directly on the yellow housing, here are the specifications for this unit:

• Brand / Manufacturer: RDL
• Model Number: RDL340-18/20
• Axis Spacing: 20 mm (Distance between the infrared beams)
• Detection Distance: 0.3 to 3 meters (Sensing range)
• Supply Voltage: 12–24V DC
• Protection Rating: IP65 (Dust-tight and protected against water jets) 

Wiring Pinout ConfigurationThe integrated 4-pin M12 connector uses the standard industrial color code indicated on the casing:

• Pin 1 (Brown): +12 to 24V DC
• Pin 2 (Blue): 0V (Ground)
• Pin 3 (Black): CP (Control/Synchronization line)
• Pin 4 (White): OUT (Signal Switching Output)