E3Z-D81SG Photoelectric Sensor PNP NC | Sri Lanka

E3Z-D81SG Photoelectric Sensor PNP NC | Sri Lanka

E3Z-D81SG photoelectric sensor with PNP normally closed (NC) output. 12–24V DC diffuse reflection for object detection and automation in Sri Lanka.

1. Specifications

• Product Name: E3Z-D81SG Diffuse Reflection Photoelectric Switch Sensor
• Model Number: E3Z-D81SG
• Sensor Type: Diffuse Reflection Photoelectric Sensor
• Detection Method: Diffuse Reflection
• Output Type: PNP, Normally Closed (NC)
• Power Supply Voltage: 12V – 24V DC

2. Electrical Specifications

• Operating Voltage Range: 12V – 24V DC
• Output Type: PNP (Open Collector Output)
• Output Configuration: Normally Closed (NC)
• Max Load Current: 100mA @ 24V DC
• Response Time: ≤1ms
• Leakage Current: ≤0.5mA
• Voltage Drop (Residual Voltage): ≤1.5V @ 100mA load
• Power Consumption: ≤30mA

3. Optical Specifications

• Sensing Distance (Detection Range): 300mm (Depending on target reflectivity)
• Light Source (Emitter): Infrared LED (wavelength ~880nm)
• Beam Angle: ≤3°
• Sensing Target: Opaque, translucent, or semi-transparent objects
• Reflectivity Influence: Higher reflectivity materials improve the sensing range

4. Mechanical & Physical Specifications

• Housing Material: Industrial-grade ABS / Polycarbonate (PC) Plastic
• Lens Material: Acrylic / Polycarbonate
• Dimensions: 50mm × 18mm × 10mm (Approx.)
• Weight: ~50g
• Cable Length: 1.5m – 2m standard (customizable)
• Wire Connections:
  • Brown (VCC) – Power Supply (12-24V DC)
  • Blue (GND) – Ground (0V)
  • Black (OUT) – Output Signal (PNP NC)

5. Protection & Environmental Features

• Protection Rating: IP67 (Dustproof & Waterproof)
• Shock & Vibration Resistance: IEC 60068-2-6 (10 – 55Hz, 1.5mm amplitude)
• Operating Temperature: -25°C to +70°C
• Storage Temperature: -40°C to +80°C
• Humidity: 35% – 85% RH (Non-condensing)
• Short-Circuit Protection: Yes
• Overload Protection: Yes
• Reverse Polarity Protection: Yes

6. Indicators & Adjustments

• LED Indicators:
  • Power Indicator (Red LED) – Lights up when power is applied
  • Output Indicator (Yellow LED) – Lights up when the sensor detects an object
• Sensitivity Adjustment: Manual Potentiometer (Optional in some models)

7. Mounting & Installation

• Mounting Type: Bracket / Direct Screw Mounting
• Thread Size: M3 / M4 mounting holes
• Installation Distance: Maintain proper spacing to avoid interference from nearby sensors

8. Compatibility & Applications

Compatible Controllers:

• PLC (Programmable Logic Controllers)
• Microcontrollers (Arduino, ESP32, Raspberry Pi, STM32, etc.)
• Industrial Automation Systems

Common Applications:

• Object Detection in Assembly Lines
• Automated Conveyor Belt Systems
• Liquid Level Sensing (Non-contact)
• Packaging & Labeling Machines
• Security & Access Control Systems
• Counting & Positioning in Industrial Automation

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