Pepperl + Fuchs – LD28‑F1‑3974/76a/112 (205803) – 30 m Thru‑Beam Sensor

The Pepperl + Fuchs LD28‑F1‑3974/76a/112 (part EDV 205803) is a high-performance, heavy-duty through-beam photoelectric sensor offering reliable detection up to 30 m. Featuring dual PNP outputs, rugged IP67 housing, and bright alignment LEDs, it’s well-suited for conveyor systems, packaging machinery, and industrial automation setups.

Key Specifications & Features

• Model / EDV: LD28‑F1‑3974/76a/112 (Pepperl + Fuchs 205803)  

• Sensing Type: Thru-beam (separate emitter & receiver, receiver includes signal/test inputs)  

• Range: Effective up to 30 m; threshold detection up to 40 m  

• Light Source: 660 nm visible red LED, 25 kHz modulation  

• Outputs: 2 × PNP (complementary) with short‑circuit and reverse‑polarity protection  

• Power Supply: 10–30 V DC  

• Indicators & Features: Alignment aid LEDs—steady (≥2× switching point), flashing (between 1× and 2×), off (below switching point)  

• Operating Frequency: Up to 1,000 Hz

• Enclosure: Heavy-duty plastic, IP67; –40…+60 °C  

• Connection: M12 5-pin (angled)  

• Mounting & Housing: 88 × 25.8 × 65.5 mm; 140 g