M12 Photoelectric Sensor (Diffuse Reflective)
M12 Photoelectric Sensor (Diffuse Reflective)
The M12 Photoelectric Sensor is a mid-sized photoelectric sensor used extensively in industrial automation for detecting the presence or absence of objects, changes in surface conditions, and other parameters through the use of light. Here are the key features and details about the M12 Photoelectric Sensor:
Key Features:
Size and Design:
- M12 Size: The "M12" indicates that the sensor housing has a diameter of 12 millimeters.
- Cylindrical Design: The cylindrical shape allows for easy installation in a variety of industrial settings.
Sensing Modes:
- Through-beam: Comprises a separate emitter and receiver. It detects objects when the light beam between them is interrupted.
- Retro-reflective: Uses a reflector to bounce the light back to the sensor. Objects are detected when they block this reflected light.
- Diffuse: Detects objects based on the reflection of light directly from the object itself.
Sensing Range:
- The sensing range varies depending on the model and sensing mode, typically from a few centimeters up to several meters.
Output Types:
- PNP/NPN: Transistor output types that ensure compatibility with various control systems.
- Analog/Digital: Some models offer analog outputs for measuring distance or position.
Environmental Resistance:
- Many M12 sensors are designed to withstand harsh industrial environments, featuring protection ratings such as IP67 or higher, making them resistant to dust, water, and other contaminants.
Adjustability:
- Sensitivity and detection range can often be adjusted to match specific application requirements.
Applications:
- Material Handling: Detecting objects on conveyors.
- Packaging: Ensuring correct positioning and counting of products.
- Automotive: Used in assembly lines for presence detection and positioning.
- Manufacturing: Quality control and automation processes.
- Robotics: Presence detection and object avoidance in automated systems.
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