KEYENCE PZ2-42P Built-in Amplifier Photoelectric Sensor
The PZ2-42P is a high-efficiency retro-reflective photoelectric sensor from Keyence’s PZ2 series. This square-type sensor is designed with a built-in amplifier, eliminating the need for external control units and simplifying installation in complex automation systems. Featuring a high-power infrared LED, the PZ2-42P ensures stable detection of objects even in environments with high levels of ambient light or dust.
Technical Specifications
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Model: PZ2-42P (Retro-reflective type)
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Output Type: PNP open-collector
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Detecting Distance: 5 to 300 mm (0.2″ to 11.81″)
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Light Source: Infrared LED
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Sensitivity Adjustment: 1-turn trimmer
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Response Time: 1 ms max.
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Operation Mode: LIGHT-ON / DARK-ON (switchable)
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Enclosure Rating: IP67 (IEC60529), NEMA 4, 4X, 6
Advanced Engineering and Detection Reliability
The PZ2-42P is engineered for consistent performance across a wide range of industrial surfaces. Its Retro-reflective design requires a reflector to operate, making it highly effective for detecting opaque objects with high speed and precision.
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Integrated Interference Suppression: This feature allows for the close-proximity mounting of multiple sensors without the risk of mutual interference.
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Rugged Construction: The housing is made of glass-fiber reinforced plastic (PBT), providing excellent resistance to chemicals and mechanical stress.
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Visible Indicators: Equipped with a red output indicator and a green stable-operation indicator, allowing for quick alignment and visual troubleshooting.
Industrial Applications and Use Cases
The KEYENCE PZ2-42P is a versatile solution for various sectors, including packaging, automotive, and logistics:
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Presence Detection: Verifying the arrival of boxes or components on a conveyor belt.
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Positioning: Ensuring the accurate placement of mechanical arms or lift systems.
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High-Moisture Environments: Due to its IP67 rating, it is suitable for applications involving water splashes or high humidity.
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Space-Constrained Installation: The compact square-body design allows for mounting in tight spaces where cylindrical sensors may not fit.
