Optical Sensors - Photoelectric, Industrial

Image Part Number Description / PDF Quantity Rfq
O6S201

O6S201

ifm Efector

THROUGH-BEAM SENSOR; RED LIGHT;

0

O5D150

O5D150

ifm Efector

PHOTOELECTRIC DISTANCE SENSOR; N

3

OGH281

OGH281

ifm Efector

DIFFUSE REFLECTION SENSOR; RED L

0

O6H303

O6H303

ifm Efector

DIFFUSE REFLECTION SENSOR; RED L

0

O1D103

O1D103

ifm Efector

PHOTOELECTRIC DISTANCE SENSOR; N

0

O8S200

O8S200

ifm Efector

THROUGH-BEAM SENSOR; RED LIGHT;

0

OGP701

OGP701

ifm Efector

RETRO-REFLECTIVE SENSOR; LIGHT-O

0

OID250

OID250

ifm Efector

PHOTOELECTRIC DISTANCE SENSOR; N

0

O5D102

O5D102

ifm Efector

PHOTOELECTRIC DISTANCE SENSOR; N

0

OGD580

OGD580

ifm Efector

PHOTOELECTRIC DISTANCE SENSOR; 2

26

OGD592

OGD592

ifm Efector

PHOTOELECTRIC DISTANCE SENSOR; 2

5

O6E303

O6E303

ifm Efector

THROUGH-BEAM SENSOR; RED LIGHT;

0

O6H201

O6H201

ifm Efector

DIFFUSE REFLECTION SENSOR; RED L

0

O6E306

O6E306

ifm Efector

THROUGH-BEAM SENSOR; RED LIGHT;

0

O6H401

O6H401

ifm Efector

DIFFUSE REFLECTION SENSOR; RED L

0

OG0030

OG0030

ifm Efector

THROUGH-BEAM SENSOR; INFRARED LI

0

O6E400

O6E400

ifm Efector

THROUGH-BEAM SENSOR; RED LIGHT;

0

OGP282

OGP282

ifm Efector

RETRO-REFLECTIVE SENSOR; RED LIG

0

E20609

E20609

ifm Efector

THROUGH-BEAM SENSOR; SENSING HEA

0

OGP503

OGP503

ifm Efector

RETRO-REFLECTIVE SENSOR; RED LIG

0

Optical Sensors - Photoelectric, Industrial

1. Overview

Industrial photoelectric sensors are optoelectronic devices that detect the presence or absence of objects by emitting and receiving light beams. These sensors convert optical signals into electrical signals through photodetection mechanisms, enabling non-contact measurement and control in industrial environments. Their importance lies in enabling automation, improving production efficiency, and ensuring process reliability across various sectors including manufacturing, logistics, and quality control.

2. Main Types and Functional Classification

TypeFunctional CharacteristicsApplication Examples
Through-Beam SensorsSeparate emitter and receiver units for high detection accuracyConveyor belt object counting
Reflective SensorsSingle unit with reflector for compact installationsPackaging integrity verification
Diffuse SensorsObject-reflective detection without separate reflectorColor contrast detection in sorting systems
Fiber Optic SensorsFlexible light transmission for confined spacesSemiconductor manufacturing equipment
Slot SensorsU-shaped design for precise positional detectionPrinted circuit board alignment systems

3. Structure and Components

Typical construction includes: 1) Light source (LED/Laser diode) emitting specific wavelengths (660nm-950nm) 2) Photodetector (photodiode/CCD array) for signal reception 3) Signal processing circuitry with amplification and threshold detection 4) Protective housing with optical window (IP65-IP69K ratings) 5) Electrical interface (2-wire/3-wire configurations) Advanced models integrate temperature compensation and digital communication protocols (IO-Link).

4. Key Technical Specifications

ParameterSignificance
Detection RangeDetermines maximum operational distance (20mm-50m)
Response TimeMeasures detection speed (10 s-2ms)
AccuracyDefines position detection precision ( 0.02mm)
Environmental ResistanceSpecifies operating conditions (-40 C to +70 C, dust/water protection)
Output TypeIdentifies electrical interface (NPN/PNP, analog/digital)

5. Application Fields

Key industries include: - Automotive Manufacturing: Robotic welding verification - Logistics: Parcel dimension measurement systems - Food Processing: Fill-level detection in transparent containers - Electronics Assembly: Component presence verification - Medical Devices: Lab automation sample tracking Example: In automotive production lines, photoelectric sensors detect door panel alignment with 0.1mm precision at 2m/s conveyor speeds.

6. Leading Manufacturers and Products

ManufacturerCountryRepresentative Product
SiemensGermanyOBT1-16GM300-S91L
OmronJapanE3Z-T61
KeyenceJapanLKG50A-W15T
Pepperl+FuchsGermanyR2000-6
BalluffUSABOS 18M

7. Selection Recommendations

Key considerations: 1. Detection requirements: Distance, object size, and speed 2. Environmental factors: Ambient light, temperature, and contamination 3. Installation constraints: Space limitations and mounting options 4. Output requirements: Digital/analog signal compatibility 5. Cost-benefit analysis: Balancing precision with operational budgets Example: Choose fiber optic sensors for high-temperature furnace applications exceeding 100 C.

8. Industry Trend Analysis

Current development trends include: - Miniaturization through MEMS technology (sensor size reduction by 40% since 2015) - Integration of AI algorithms for adaptive threshold adjustment - Wireless communication capabilities (Bluetooth/Wi-Fi 6 adoption) - Increased sensitivity in visible light spectrum (enhanced color detection) - Growth in safety-rated sensors (SIL2/PLc compliance) Market projections indicate 8.2% CAGR through 2027 driven by Industry 4.0 adoption.

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