OPB811W55
Product Overview
The OPB811W55 belongs to the category of optical sensors and is commonly used for detecting the presence or absence of an object. Its characteristics include high sensitivity, compact size, and reliable performance. The package consists of a sensor and an emitter, and it is available in various packaging/quantity options to suit different application needs.
Specifications
- Operating Voltage: 5V
- Output Type: Digital
- Sensing Method: Reflective
- Response Time: 10 microseconds
- Operating Temperature: -40°C to 85°C
- Package Type: Through Hole
- Package Quantity: 50 pieces per pack
Detailed Pin Configuration
The OPB811W55 features a standard 4-pin configuration: 1. VCC (Power supply) 2. GND (Ground) 3. Output 4. NC (Not connected)
Functional Features
- High sensitivity to detect objects
- Compact design for easy integration
- Digital output for simple interfacing with microcontrollers
- Reliable performance across varying environmental conditions
Advantages and Disadvantages
Advantages
- High sensitivity enables accurate object detection
- Compact size allows for versatile installation
- Digital output simplifies integration with control systems
Disadvantages
- Limited operating temperature range may not be suitable for extreme environments
- Reflective sensing method may be affected by certain surface properties
Working Principles
The OPB811W55 operates based on the reflective sensing principle. The emitter emits light, which is then reflected off an object onto the sensor. The sensor detects the reflected light and produces a digital output signal based on the presence or absence of the object.
Detailed Application Field Plans
The OPB811W55 is widely used in various applications such as: - Object detection in industrial automation - Robotics for obstacle detection - Printers and copiers for paper jam detection - Vending machines for product dispensing control
Detailed and Complete Alternative Models
Some alternative models to the OPB811W55 include: 1. OPB9000 - Offers higher sensitivity and wider temperature range 2. TCRT5000 - Provides similar functionality in a different package format 3. EE-SX670 - Features a compact SMD package for space-constrained applications
In conclusion, the OPB811W55 is a versatile optical sensor with high sensitivity and reliable performance, making it suitable for a wide range of object detection applications.
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技術ソリューションにおける OPB811W55 の適用に関連する 10 件の一般的な質問と回答をリストします。
What is the OPB811W55?
- The OPB811W55 is a reflective object sensor with an integrated infrared emitter and phototransistor.
What are the typical applications of the OPB811W55?
- It is commonly used in applications such as industrial automation, robotics, and motion control for detecting the presence or absence of objects.
What is the operating voltage range of the OPB811W55?
- The operating voltage range is typically 4.5V to 5.5V.
How does the OPB811W55 detect objects?
- The integrated infrared emitter emits light, which is then reflected off an object and detected by the phototransistor, allowing the sensor to determine the presence or absence of the object.
What is the sensing distance of the OPB811W55?
- 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 the OPB811W55 be used in harsh environments?
- The OPB811W55 is designed to operate in indoor environments and may not be suitable for harsh conditions such as extreme temperatures, high humidity, or exposure to corrosive materials.
What is the output type of the OPB811W55?
- The OPB811W55 provides a digital output, typically in the form of an open-collector output that can be interfaced with microcontrollers or other digital logic circuits.
Does the OPB811W55 require any external components for operation?
- In most cases, the OPB811W55 does not require additional external components for basic operation, but proper circuit design and power supply considerations are important for reliable performance.
Is the OPB811W55 sensitive to ambient light?
- The sensor is designed to minimize the impact of ambient light, but excessive ambient light levels can affect its performance, so proper shielding and placement should be considered.
Can the OPB811W55 be used for speed sensing applications?
- Yes, the OPB811W55 can be used for speed sensing by detecting the presence or absence of rotating or moving objects, making it suitable for applications such as motor speed control and conveyor belt monitoring.