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Common dry contact signals for safety barriers
The dry contact of the barrier is an electrical switch that has two positions: closed and disconnected. There is no polarity between the two contacts of the dry contact and is interchangeable. That is, a simple switch, the contact does not provide power supply, and the power supply can be used to control the condition of the equipment. But it doesn't offer ...
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Analysis of the use of various types of accelerometers
There are two types of accelerometers: one is the angular accelerometer, which is improved from gyroscopes. The other is a linear accelerometer. It can also be divided into single-axis, dual-axis and three-axis accelerometers according to the measurement axis.
At the moment, accelerometers are widely used in game controls.
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We offer a wide range of barriers for different needs
We offer a wide range of barriers for different requirements. Barrier and Zener barriers are available to ensure the safe transmission of signals in hazardous areas.
Barrier barriers
In addition to the explosion-proof function, the barrier ...
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How to choose a sensor in the early stage?
In the early application and selection of sensors, how to choose is a very important point, and the selection is smooth, and the following will briefly say how the sensor is selected in the early stage.
The Viewpoint Sensor is in the real ...
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Precautions for load cell replacement – a blessing
The premise of load cell replacement is that the axis of the applied force coincides with the axis of the sensor, we should know one thing, that is, with the increase of the additional load, the microvolt/indexing signal output by the sensor decreases.
About the electromechanical junction of the S-shaped sensor installed in the second force transmission link ...
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Test Methods for Torque Transducers – Beggarbless
In recent years, the use of torque sensors has gradually increased, it can convert physical changes into accurate electrical signals, so what methods can torque sensors go through?
The proven test method of torque sensors is ...
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Safety barriers are used for intrinsically safe system features
The barrier and barrier are composed of four parts: the input signal processing unit, the barrier unit, the output signal processing unit, and the power supply. Depending on the direction of the signal, a substantial safety plan is added to the input or output unit, which then forms a barrier and a barrier. Traditional barrier and safety ...
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Ultrasonic level gauge installation principle
1. The interval from the launch surface of the probe to the liquid level should be smaller than the range of the purchased surface.
2. The interval between the launch surface of the probe and the highest liquid level should be greater than the blind area of the purchased surface.
3. The launch surface of the probe should be parallel to the surface of the liquid.
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Auxiliary mechanical device installation form - double blessing
Auxiliary mechanical devices: commonly used are rack and pinion, chain belt, friction runner, rope reeling machinery, etc.
Low-speed end device: installed behind the reduction gear, such as the shaft end of the winch wire rope drum or the shaft end of the next reduction gear ...
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Installation and equipping of ultrasonic sensors
Ultrasonic sensors are used for the inspection of printed circuit boards (PCBs):
In this application, ultrasonic sensors are used to inspect printed circuit boards. So what factors need to be considered when installing and installing ultrasonic sensors ...
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How to choose an accelerometer
First, understand the digital output part. When purchasing an accelerometer sensor, you must understand the digital output, because this determines the interface between the system and the acceleration sensor, if the number does not correspond, it is inconvenient to use, so you must understand the data at the time of selection.
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Eltra Incremental Rotary Encoder Types
Eltra incremental encoders fall into three categories:
Optical solid shaft incremental encoder Eltra. The couplings in these types are made of solid shafts.
· EL-ER 30 E/H;
· EH 38 A/B/D;
· EL-E ...
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Recognition of the number of pulse positions of the encoder
The pulse encoder is a rotary encoder that uses the rotation pulse for signal output, and the main characteristics are the standard shape and diversified shape structure; The internal coding is stable, the signal output qiang, and the pulse value and positioning value are clear. Therefore, when choosing this type of punching encoder, ...
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Introducing the sensor
From leveling cranes and monitoring the inclination of front-end loaders to operating elevators, inclination and acceleration sensors can be used in a variety of ways. These sensors are guaranteed to measure even in harsh conditions. Thanks to the innovative split unit concept, the F99 series ...
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What are the types of displacement sensors – Doublebless
1. The displacement sensor is a device that converts the motion displacement of the object into measurable electrical quantities. It is usually used to convert physical quantities such as displacement, orientation, deformation, oscillation, and size that are not convenient for quantitative detection and processing into electrical quantities that are easy to quantitatively detect and facilitate information transmission and processing.
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Photoelectric sensor sensing mode – Doublebless
The pass-through beam device consists of an acceptor located within the line of sight of the transmitter. In this mode, an object is detected when the beam is blocked from the transmitter to the receiver.
The retroreflective device places the transmitter and receiver in the same direction, and uses the reflector to ...
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What is Pulse Ranging Technology (PRT) – a sensor
PRT (Pulse Ranging Technology) stands for Pulse Ranging Technology, which is currently the most accurate industrial-grade process used to measure intervals. By using this direct measurement method, the measurement range from a few centimeters to several hundred meters can be accurately recorded.
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Introduction of P+F photoelectric sensors
A photoelectric sensor is a device that converts optical signals into electrical signals. Its principle of operation is based on the photoelectric effect. The photoelectric effect refers to the phenomenon that when light hits some substances, the electrons of the matter absorb the energy of the photons, and 7 the corresponding electrical effect occurs. According to the different phenomena of the photoelectric effect, the light ...
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The correct way to test the output of the sensor – the sensor
1. Test for NPN output sensor
The NPN sensor output, also known as OC gate output, is based on the principle of open collector output of a transistor.
The principle of NPN type OC gate output is whether the output of the NPN transistor and GND are short-circuited. When the control is active, the transistor is turned on, the output and the GND ...
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The structure of proximity sensor switches – we are blessed
1. Durability
The reason why the switch has such a long life is that the switch acts as elastic from the vertical direction of the elastic membrane. Although millions of peristalsis are carried out after the elastic membrane, because the creep rate is very small, only 0.1 - 0.3m ...
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