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OPB891N51Z Encyclopedia Entry
Product Overview
The OPB891N51Z is a photoelectric sensor designed for use in industrial automation and control systems. This sensor falls under the category of optoelectronic devices and is commonly used for detecting the presence or absence of objects, as well as for position sensing in various applications. The characteristics of the OPB891N51Z include high sensitivity, reliable performance, and a compact design. It is typically packaged in a durable housing with an integrated emitter and detector, and is available in various packaging/quantity options to suit different application requirements.
Specifications
- Operating Voltage: 5V DC
- Output Type: Phototransistor
- Sensing Method: Reflective
- Sensing Distance: Up to 10mm
- Package Type: Through Hole
- Operating Temperature Range: -40°C to 85°C
- Dimensions: 5mm x 7mm x 3mm
Detailed Pin Configuration
The OPB891N51Z features a standard 4-pin configuration: 1. VCC (Power Supply) 2. GND (Ground) 3. Output 4. N/C (Not Connected)
Functional Features
- High sensitivity for accurate object detection
- Compact size for easy integration into various systems
- Reliable reflective sensing method for consistent performance
- Wide operating temperature range for versatile use in different environments
Advantages and Disadvantages
Advantages
- Reliable performance in various environmental conditions
- Compact and easy to integrate into different applications
- High sensitivity for precise object detection
Disadvantages
- Limited sensing distance compared to some other sensors
- Requires careful calibration for optimal performance
Working Principles
The OPB891N51Z operates based on the principle of reflective sensing. When an object is within the sensing distance, the emitted light from the sensor reflects off the object and is detected by the internal phototransistor. This detection triggers the output signal, indicating the presence of the object.
Detailed Application Field Plans
The OPB891N51Z is widely used in industrial automation systems for tasks such as product counting, conveyor belt monitoring, and assembly line positioning. Additionally, it finds applications in robotics for object detection and sorting, as well as in automotive systems for position sensing and obstacle detection.
Detailed and Complete Alternative Models
- OPB9000 - Offers longer sensing distance and higher ambient light immunity
- OPB920W - Provides a wider operating temperature range and enhanced durability
- OPB930W - Features a compact SMD package for space-constrained applications
In conclusion, the OPB891N51Z photoelectric sensor offers reliable performance and high sensitivity, making it a valuable component in industrial automation and control systems. Its compact design and versatile functionality make it suitable for a wide range of applications, despite its limited sensing distance. Additionally, alternative models such as the OPB9000, OPB920W, and OPB930W provide options for specific application requirements, ensuring that there is a suitable sensor for various needs in the industry.
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Liệt kê 10 câu hỏi và câu trả lời thường gặp liên quan đến ứng dụng OPB891N51Z trong giải pháp kỹ thuật
What is OPB891N51Z?
- OPB891N51Z is a reflective object sensor that consists of an infrared LED and a phototransistor.
What are the typical applications of OPB891N51Z?
- It is commonly used in applications such as industrial automation, robotics, assembly line monitoring, and position sensing.
How does OPB891N51Z work?
- The infrared LED emits light, which is then reflected off an object and detected by the phototransistor, allowing it to sense the presence or absence of the object.
What is the operating voltage range for OPB891N51Z?
- The operating voltage range is typically between 4.5V and 5.5V.
What is the sensing distance of OPB891N51Z?
- The sensing distance can vary based on the specific application and environmental conditions, but it is typically in the range of a few millimeters to a few centimeters.
Can OPB891N51Z be used in harsh industrial environments?
- Yes, OPB891N51Z is designed to withstand harsh industrial environments and has built-in protection against ambient light interference.
What is the output type of OPB891N51Z?
- The output is typically an open-collector NPN transistor.
Is OPB891N51Z sensitive to ambient light?
- OPB891N51Z is designed to minimize the effects of ambient light through modulation techniques and optical filtering.
Can OPB891N51Z be used for speed sensing in motor control applications?
- Yes, it can be used for speed sensing by detecting the presence or absence of rotating components or objects.
Are there any special considerations for mounting and alignment of OPB891N51Z?
- Proper mounting and alignment are crucial for optimal performance, and care should be taken to ensure precise positioning and secure mounting to minimize misalignment issues.