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

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

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