Photoelectric sensors are devices that play an important role in controlling and detecting something, especially in the industrial world. As the name implies, this sensor uses light to carry out its function. By using light, this tool will detect the presence of an object, which is generally solid.
Telemecanique Sensors, as a leading sensor company, presents the best quality photoelectric sensors in the XU series product series. With diverse technical characteristics, high performance, and intelligent management capabilities, Telemecanique photoelectric sensors are designed to meet a variety of specific needs.
You can find out how Photoelectric Sensors Telemecanique Sensors work and the types in this article!
Photoelectric Sensors Telemecanique Sensors
Photoelectric Sensors Telemecanique Sensors are included in the XU product series. This tool is a close-range sensor dedicated to material handling, packaging, labeling, assembly, elevators and escalators, or the food & beverage industry.
Photoelectric sensors can be used in various ways and industries. For example, it is used to detect objects or object orientation on the production line, to count, and to stop doors that close automatically.
Photoelectric Sensors Telemecanique Sensors basically consist of two components, namely a light-emitting diode (light-emitting diode) and also a light-sensitive receiver (phototransistor). This light-emitting diode is an electronic semiconductor component that can emit light when there is an electric current flowing through it. This light can be visible or invisible, depending on the wavelength of its transmission.
The transmission light also depends on the model and application requirements; the most common transmission light is invisible infrared or ultraviolet to detect fluorescent materials. The transmission light can also be visible red or green for reading color marks and so on, and red lasers for long-distance sensing and short focal lengths.
How Photoelectric Sensors Telemecanique Sensors Work
Photoelectric sensors will detect when an object enters the transmitted light beam, and thus will affect the light intensity at the receiver, whose job it is to collect light. When the light intensity at the receiver decreases, a point will be reached where the sensor output changes status.
More clearly, how Photoelectric Sensors Telemecanique Sensors work is by emitting light from an LED or laser towards the object. When an object approaches and enters the path of the light beam, there are two possibilities that can occur.
First, the object will block the light beam so that the light reaching the receiver is reduced or stopped. The second possibility is that the approaching object will reflect the light beam back to the receiver. Then, the sensor receiver detects a change in the intensity of the light received, either decreasing or increasing, and will send the signal to the control system.
Later, based on the signal received, the control system will interpret the presence of the object and take action according to the previously set program. It could be stopping the production line or activating the next process.
With its sophisticated way of working because it only relies on this light, Telemecanique's Photoelectric Sensors are effective in detecting the presence of objects accurately without requiring physical contact. Where this will be very useful for various automation applications in the industrial world.
Types of Photoelectric Sensors Telemecanique Sensors
Photoelectric Sensors Telemecanique Sensors XU series have different variations. Here is an explanation to make it easier for you to choose the right type of photoelectric, according to your needs!
a. Through-light system or multimode circuit in through-light mode
This photoelectric detection system has a long sensing distance, which is up to 100 m (XUBL series). Then, the detection is also precise with high repeatability accuracy. Detection will also not be affected by the color of the object or the angle of position. Not only that, this tool also has good resistance in harsh environments.
b. Polarized reflex system or multimode with reflector accessories
The next type of Photoelectric Sensors Telemecanique Sensors is the polarized reflex system with reflector accessories. The difference with the previous through-light system is that the sensing distance of the polarized reflex system is shorter, which is up to 15 m.
Then, for multimode with reflector accessories, it has easy alignment. There are 3 LEDs that can provide adjustment assistance. There is also an anti-interference function that allows two sensors to be used without special precautions.
c. Diffusion System or multimode
In the diffusion system, you only need to connect one unit, so it is easier to use. It has a fast response and low cost.
While the advantage of the multimode sensor is easy alignment. The sensor will emit visible red light during the alignment period. Then there is an anti-interference function that allows two sensors to be used without special alignment precautions.
d. Diffusion, with or without background suppression, system, or multimode
One of the advantages of this diffusion is that only one unit will be connected by cable. However, this tool has a short sensing distance and is affected by color. Users will also have difficulty seeing objects because the sensor emits infrared range.
Then, the advantage of the multimode sensor is the ease of alignment. The sensor will emit in the visible red range during the alignment phase. There are 3 LEDs for setup assistance. There is also an anti-interference function, which allows two sensors to be used without special alignment precautions.
That is a complete explanation of Photoelectric Sensors Telemecanique Sensors, starting from how they work to their types, which are divided based on their detection system. Which product is your need?
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