Your Professional Laser Distance Sensor Supplier
Xian Baochen Information Technology Co., Ltd. is located in high-tech Zone, Xi 'an, Shaanxi Province, China, is a focus on sensors, transmitters, inverters, power semiconductor devices and supporting instruments R & D, manufacturing, sales and service enterprises. The company invests in research and development team, cooperates with excellent universities, integrates industry resources, and provides the best quality solutions for domestic and foreign users. Enterprise mission: to meet user needs and create value for customers.
Why choose us
Sales Market
We Products are exported to Europe, America, Southeast Asia, West Asia, Central Asia and other countries around the world. Our products are well received in these markets.
Our Service
Able to quickly respond to customer needs, to provide personalized customization, timely delivery, professional technical support and perfect after-sales service.
Strict Quality Control System
Able to efficiently produce large quantities of products, advanced production processes and stable supply chains, the implementation of strict quality control system. Constantly introduce new technologies and new materials to improve product performance and production efficiency.
Wide Range of Applications
Through the EU CE, RoHs testing, products are widely used in petrochemical, water conservancy and hydrology, machinery and equipment, automobile manufacturing, industrial process control, weighing measurement, people's livelihood applications and other fields.
Laser Distance Sensor
A laser distance sensor, also known as a laser displacement sensor, measures distances to detect objects within a certain measurement range. Laser distance measurement sensors may be based on a variety of technologies. One of the most important ones is the triangulation principle. Here, a laser point or a laser line is projected onto the object whose position needs to be determined. The object reflects part of the incident light, which is in turn detected by a receiving element within the sensor. The position of the reflected light on that receiving element depends on the distance between the sensor and the object. Hence, when the distance changes, so does the position of the signal on the receiving element. With proper calibration, the sensor can measure the object's distance with high precision.
|
Model |
Laser Distance Sensor |
|
Light Source |
Red light |
|
Operating Voltage |
12-24 VDC |
|
Response Time |
200μs,500μs,1ms,2ms |
|
Current Consumption |
15mA Max. |
|
Load current |
100mA Max at 24 VDC |
|
Insulation Resistance |
20M Ohm Min. at 500 VDC |
|
Dielectric strength |
60 seconds at 1000VAC 60HZ |
|
Protection Degree |
IP67 |
|
Operating Temperature |
-10ºC-50ºC(No Icing) |
|
Reverse Polarity Protection |
Yes |
|
Short Circuit Protection |
Yes |
|
Material |
ABS |
|
Wire Method |
Dia4*2M/-3wires |
|
Weight |
107g |
Characteristics of laser distance sensors
High ambient light immunity
Powerful algorithms integrated in the sensor make laser distance sensors very insensitive to external light sources. This guarantees reliable, robust operation.
Automatic exposure control
Optical distance sensors by Baumer automatically adapt to different object colors and brightness levels by varying their transmission intensity and optimizing their exposure time. This they are not affected by the reflectivity of an object. It is also possible to measure objects with a reflectivity of up to 2%.
Synch-In / Triggering
The measurements of several sensors can be synchronized through the sync-in input. For thickness measurements, two sensors can be triggered simultaneously in synchronous mode through the sync input. In asynchronous mode, on the other hand, several sensors that interfere with each other in an application can deliberately be operated one after the other.
Programmable filter functions
The noise of the output signal can be reduced by activating filtering, thus increasing the resolution. The filter is used to suppress measurement errors. The output changes only after a defined number of measured values. The measuring frequency is not affected by this filter, but the response time is. The filter function can be parameterized through the selection of predefined precision modes.
Programmable measuring ranges
The measuring range can be adjusted by the user within the maximum measuring range with the teach-in button, the teach-in line or through the display. The analog output has its full stroke within this taught-in area and thus higher measuring accuracy. The factory setting is the maximum measuring range.
Configurable switched output
A switched output should switch as soon as a defined measured value exceeds or falls below the set level. For a reliable switching signal, the hysteresis (difference between the switching point and the return switching point) can be parameterized in millimeters in absolute terms. The safe operation of your system is guaranteed, regardless of the position of the object in the field of view.
Types of Laser Distance Sensors
Pulsed Laser Sensors
These emit short bursts of laser light and are great for long-range measurements.
Phase Shift Sensors
They continuously emit laser light and measure the phase shift to determine distance—ideal for shorter measurements.
Time-of-Flight Sensors
The classic type we discussed; they're widely used in various applications.
Automated Warehousing
The laser distance sensor measures the position of goods in real-time and sends the data to the PLC. The PLC, based on preset programs, controls automated mechanical arms or conveyors to store and retrieve goods.
Industrial Robot Control
The laser distance sensor detects the environment and obstacles around the robot in real-time. The PLC receives sensor data and, based on the program, performs path planning and action control to ensure the robot completes tasks safely and efficiently.
Traffic Management System
Laser distance sensors are installed at intersections or highways to monitor the speed and distance of vehicles in real-time. The PLC controls the switching of traffic signals based on the data, optimizing traffic flow and reducing congestion.
Automated Inspection and Quality Control
The laser distance sensor measures parameters such as the size and shape of products and sends the data to the PLC. The PLC determines whether the products meet preset standards and controls the conveyor to remove defective products.
Key Components of laser distance sensors
Laser Distance Module
Operating Principle: The TOF Laser Distance Sensor calculates the distance between the sensor and an object by emitting a laser beam and measuring the time it takes for the beam to reflect back. This method provides high precision and rapid response.
Application Scenarios: Used for detecting object positions, monitoring object movement, measuring liquid levels, and monitoring spatial occupancy.
Programmable Logic Controller (PLC):
Functionality: A PLC is a digital computer specifically designed for industrial control systems, capable of executing automated control tasks through programming. It processes data from sensors, performs logical judgments, and controls actuators (such as motors, valves, etc.).
Characteristics: Known for high reliability, strong anti-interference capabilities, ease of programming, and maintenance, making it widely used in industrial control.
Operating Principle of Laser Distance Sensor
Data Acquisition
The laser distance sensor continuously collects distance data and transmits this data to the PLC.
Data Processing and Logical Control
The PLC processes the sensor data based on pre-written programs. For instance, if the sensor detects that the distance of an object exceeds or falls below a preset threshold, the PLC can execute the corresponding control logic (such as starting or stopping a device).
Control Execution
Based on the processed data, the PLC sends control signals to actuators to perform the required actions, such as adjusting the speed of a production line or triggering an alarm system.
Integration of Laser Range Finder Sensors with PLCs
1. Choosing the Right Laser Distance Sensor
Measurement Range: Select a TOF Sensor that meets the required distance range for your application.
Accuracy and Resolution: Ensure the sensor provides the needed precision.
Output Type: Choose sensors with compatible output types for PLC integration (analog, digital, or communication protocols).
2.Sensor and PLC Communication Interfaces
Analog Signals: Sensors output analog signals (e.g., 4-20 mA or 0-10 V). The PLC reads these signals through its analog input modules.
Digital Signals: Sensors provide digital outputs, typically via discrete input modules on the PLC.
Communication Protocols: Advanced sensors might use communication protocols like RS232, RS485, CAN, or Ethernet. The PLC must support the same protocol through appropriate communication modules.
3. Wiring and Connections
Properly wire the laser distance sensor to the PLC, ensuring secure and correct connections. Follow the sensor and PLC manufacturer guidelines for wiring diagrams and connections.
4.Configuration and Calibration
Sensor Configuration: Configure the sensor settings (e.g., measurement range, response time) according to the application requirements.
PLC Configuration: Configure the PLC’s input modules to correctly interpret the signals from the laser distance sensor.
5. Programming the PLC
Data Reading: Write PLC programs to read data from the sensor. This involves interpreting analog or digital signals or using communication instructions for protocols.
Logic Implementation: Implement the control logic based on sensor data. For example, if the sensor measures the distance to an object, the PLC can control actuators or alarms based on predefined distance thresholds.
Error Handling: Include error handling routines to manage sensor faults or communication issues.
Interfaces and Communication:
Analog Signal Interface: The laser distance sensor outputs an analog signal, which the PLC reads through its analog input module.
Digital Signal Interface: The sensor outputs a digital signal, which the PLC reads through its digital input module.
Communication Protocols: Use standard communication protocols (e.g., RS232, RS485, CAN, Ethernet) for data transmission.
Programming and Configuration:
Sensor Configuration: Set parameters such as measurement range, precision, and response time according to the specific application requirements.
PLC Programming: Write PLC programs to process sensor data and implement control logic. This can be done using programming languages like ladder logic, function block diagram, etc.
FAQ
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displacement sensor, laser distance sensor