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The Wenglor OPT89 is a retro-reflective sensor with electronic background suppression, designed specifically for roller conveyors. Its compact, fully encapsulated housing fits securely between rollers beneath the conveyor level, protecting it from mechanical damage. It's primarily used for presence detection in accumulation conveyor processes.
Optical Data
- Sensing range: 550 mm
- Adjustable switching distance:
- Min: 220–270 mm
- Nominal: 320–400 mm
- Max: 550–630 mm
- Switching hysteresis: < 15 %
- Light source: Infrared, 880 nm
- Service life: 100,000 hours
- Max. ambient light: 10,000 lux
- Opening angle: 5°
Electrical Data
- Supply voltage: 18–30 V DC
- Current consumption: < 30 mA
- Switching frequency: 100 Hz
- Response time: 5 ms
- Operating temperature: –25…+60 °C
- Output: PNP, 200 mA, voltage drop < 1.5 V (normally closed)
- Protection: short-circuit, reverse polarity, overload
- Protection class: III
Mechanical & General Data
- Adjustment: Potentiometer
- Housing: Plastic, fully encapsulated
- Protection rating: IP65
- Connection: M12×1, 4-pin
- Output function: PNP NC