Leuze electronic Retro-Reflective Sensor (AS-i)
Model: IPRK 18/A L.4
Part Number: 50030077
1. General Description
The Leuze IPRK 18/A L.4 is a retro-reflective photoelectric sensor designed for integration into AS-Interface (Actuator Sensor Interface) networks. It requires a reflector to operate.
Unlike standard sensors that wire directly to a PLC input card, this sensor connects to the yellow AS-i bus cable. It features a polarization filter, allowing it to reliably detect shiny or reflective objects (like shrink-wrapped pallets or metal cans) without false triggering.
Key Features 🎯
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AS-Interface Integrated: Directly connects to the AS-i bus system, reducing wiring complexity.
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Polarized Retro-Reflective: Detects shiny objects reliably using a polarization filter.
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Visible Red Light: Uses a bright LED light source for easy alignment with the reflector.
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Sensitivity Adjustment: Features a potentiometer for fine-tuning the sensing range.
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Robust Housing: Standard 18-series rectangular housing with metal M12 connector.
2. Technical Specifications
Optical Data
| Parameter | Value |
| Operating Principle | Retro-reflective (requires reflector) |
| Operating Range | 0 … 3.0 m (Typical with standard reflector TK(S) 100×100) |
| Light Source | LED, Red (Visible) |
| Wavelength | 660 nm |
Electrical Data (AS-Interface)
| Parameter | Value |
| Interface Type | AS-Interface |
| Supply Voltage | 26.5 … 31.6 V DC (via AS-i Bus) |
| Current Consumption | < 40 mA |
| AS-i Profile | S-D.0.0 (Typical for this generation) |
| Cycle Time | < 5 ms |
Mechanical & Environmental Data
| Parameter | Value |
| Housing Design | Cubic / Rectangular (Series 18) |
| Housing Material | Plastic (ABS) |
| Lens Material | Plastic (PMMA) |
| Connection | M12 Connector, 4-pin (Metal thread) |
| Protection Class | IP 67 |
| Ambient Temperature | -25 … +55 °C |
3. Wiring (AS-Interface M12)
This sensor connects to the AS-i bus. It does not use standard PNP/NPN wiring.
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Pin 1: AS-i + (Brown)
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Pin 2: Not used
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Pin 3: AS-i – (Blue)
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Pin 4: Not used
(Note: Data and Power are transmitted over the same two wires).
Meta Description Options
Option 1 (SEO-focused):
Datasheet for Leuze IPRK 18/A L.4 (50030077) photoelectric sensor. AS-Interface retro-reflective sensor with red light, polarized filter, and M12 connection.
Option 2 (Feature-focused):
Technical data for Leuze IPRK 18 AS-i sensor. Learn about this polarized retro-reflective sensor designed for direct connection to AS-Interface networks.
Option 3 (Concise):
Leuze 50030077 datasheet. Specs for IPRK 18/A L.4 AS-Interface retro-reflective sensor with 3m range and visible red light.
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