Riko – PM6 Series

Micro-Sized Square Photo Sensor

Brand : Riko

The RiKO PM6 Series consists of micro‑sized square photoelectric sensors designed for compact industrial object detection where installation space is limited. These sensors provide visible output status indicators for easy monitoring of sensor operation. The series delivers focused light beams for accurate detection of small parts and supports standard DC 12 to 24 V operation, making it suitable for integration with automation controllers and PLC inputs.

The PM6‑DU05N model is a diffuse reflection sensor optimized for very short‑range detection of nearby objects using reflected infrared light. The PM6‑T50N model uses a through‑beam configuration with a separate emitter and receiver to detect objects that interrupt a light beam up to moderate distances. Both models include built‑in protection circuits for reversed supply and short‑circuit conditions and are housed in durable ABS material with IP64 protection against dust and water spray.

For more info, download our full technical spec.

Specifications

Specification PM6‑DU05N PM6‑T50N
Product Series RiKO PM6 Micro‑sized Square Photo Sensors
Sensing Type Diffuse reflection Through beam
Detection Distance 5 cm (White paper 100×100 mm) 50 cm
Emitting Light Infrared LED 940 nm Infrared LED 940 nm
Operating Voltage DC 12‑24 V ±10% (Ripple ≤10% p‑p) DC 12‑24 V ±10% (Ripple ≤10% p‑p)
Current Consumption 20 mA Max 30 mA Max (Receiver)
Load Current 100 mA Max at DC 24 V 100 mA Max at DC 24 V
Output Type NPN Light‑ON NPN Dark‑ON
Protection Circuit Reverse supply and short‑circuit protection Reverse supply and short‑circuit protection
Response Time 1 ms Max 1 ms Max
Insulation Resistance 20 MΩ Min (DC500 V) 20 MΩ Min (DC500 V)
Withstand Voltage AC 1000 V 60 Hz for 60 s AC 1000 V 60 Hz for 60 s
Operating Temperature -10 °C to +45 °C -10 °C to +45 °C
Protection Degree IP64 IP64
Material ABS ABS
Wiring Method Ø2.4 × 2 m / 3‑wires (Receiver) Ø2.4 × 2 m 3‑wires
(Emitter) Ø2.4 × 2 m 2‑wires
Weight Approx. 20 g Approx. 40 g

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