LK8022 - Sensor IFM - Free user manual and instructions
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| Brand | IFM |
| Model | LK8022 |
| Product type | Industrial sensor |
| Detection principle | Photoelectric (direct reflection) |
| Detection range | Up to 2 m (depending on reflector) |
| Supply voltage | 10–36 V DC |
| Output | PNP / NPN, normally open (NO) |
| Connection | M12 connector, 4 pins |
| Protection rating | IP67 |
| Operating temperature | -25 °C to +60 °C |
| Housing material | ABS / PBT |
| Dimensions (L × W × H) | 50 × 30 × 20 mm |
| Weight | 50 g |
| Main functions | Object detection, output switching, LED indicator |
| Sensitivity adjustment | Potentiometer (1 turn) |
| Maintenance and cleaning | Clean the lens with a soft dry cloth; avoid chemicals |
| Safety | Comply with CE standards; disconnect power before intervention |
| Spare parts and repairability | No spare parts; device not repairable, replace entire unit |
| General information | Downloadable PDF manual; 49 pages |
Frequently Asked Questions - LK8022 IFM
How to connect the LK8022 sensor?
The sensor has a M12 4-pin connector. Typical pinout: 1 = brown (+V), 2 = white (NPN output), 3 = blue (GND), 4 = black (PNP output). Check the wiring diagram in the manual.
What is the maximum detection range?
The range depends on the reflector used. Without reflector, it is about 1 m; with a good reflector, up to 2 m.
How to adjust the sensitivity?
Use the potentiometer located on top of the sensor. Turn it clockwise to increase range, counterclockwise to reduce. One full turn is sufficient.
Can the sensor detect transparent objects?
Yes, the LK8022 model is suitable for detecting transparent objects (glass, plastic) thanks to its direct reflection principle.
What is the recommended supply voltage?
The voltage range is 10 to 36 V DC. A 24 V DC power supply is ideal.
How to clean the sensor lens?
Use a soft dry cloth. For stubborn dirt, moisten slightly with water. Do not use solvents or abrasive products.
Does the sensor work outdoors?
Yes, its IP67 rating makes it dustproof and waterproof. However, avoid prolonged exposure to direct sunlight or extreme temperatures.
How to test if the sensor is working properly?
Place an object in the detection zone: the LED on the sensor should light up (or turn off depending on configuration). Also check the output voltage with a multimeter.
What to do if the sensor no longer detects correctly?
First clean the lens. Check the power supply and wiring. If the problem persists, reset the sensor by cutting power for 10 seconds. If still faulty, replace it.
Where to find the complete manual in English?
The manual is available free of charge in PDF format on notice-facile.com. You can also request a translation by email.
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USER MANUAL LK8022 IFM
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Product information
Brand : IFM
Model : LK8022
Category : Sensor