Sensors are used in almost every profession in modern times, and these occupations can record according to the signals sent by the sensors, so how do they distinguish the authenticity of the output signals of the sensors?
1. Distinguish from the void voltage
The output voltage signal of the oscillation sensor contains both DC and AC current. Direct current corresponds to the average separation between the sensor and the probe, also known as the void voltage. Alternating current corresponds to an oscillating signal. If the void voltage is normal, then the AC is usually normal.
2. Changes in dynamic value and void voltage
If the relationship between the oscillation value and the void voltage is consistent with the probe characteristics (7.87 V/mm), i.e. greater than ± 0.5 V, then the oscillation meter is likely to fail. For example, when the oscillation probe is operating normally, the oscillation value/gap voltage is 20 μm/9.62 V, and now the oscillation value is 70 μm/8.62 V, the oscillation value is increased by 50 μm, and the gap voltage should drop by about 0.4V, which should not be less than 9.22V under normal circumstances, at least not less than 8.72V, so there is a problem with the oscillation meter itself.
3. Distinguish from the changing trend of axial oscillation and tile oscillation
Although the ratio of axial oscillation and watt oscillation is large and small, under normal circumstances, the axial oscillation and watt oscillation should change synchronously.
4. Distinguish according to the output waveform of axial oscillation
In the case of electromagnetic disturbance, the output waveform has a large glitch, and in addition to the power frequency component, there are many 2x, 4x, 6x, and 8x frequency octapers.
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Types and classifications of light sensors – Turck
1. Types of light sensors
1. Ambient Light Sensor XJC-S05-T New Jingcheng Sensor 503 Series HubaControl Fuba WTAL121-N30LMWoosen WSPSS15B20GTWang Sensor Jude Life CS20D, e.g. sensor on mobile phone on laptop etc.
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Introduction to the working principle of pressure transmitters
A pressure transmitter is a device that measures the pressure of a fluid or gas in a process and converts it into an electrical signal that can be used for monitoring or control purposes. Pressure transmitters have a few different operating principles to accomplish this:
Piezoresistive pressure transmitters
The first ...
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1. The structure of the load cell
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In addition, the module provides 4 digital input channels and 4 general-purpose digital channels ( ...
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Selection of pressure sensors – Turck
1. Recognize the type of pressure sensor
(1) Electromechanical: The internal mechanical structure of the product, the pressure sensor made of springs, levers, dispatching screws, metal housings, etc., and contact module equipment, does not contain processing circuits inside, and the output is the pressure switch side of the switching quantity.
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The main function of the proximity switch is Turck
Check the distance
Detect the abortion, start, and passing direction of elevators and lifting equipment; Detect the orientation of the vehicle to prevent two objects from colliding with each other; Detect the set orientation of the working machine, the limit orientation of the moving machine or component; Detect the abort position of the rotary body and the opening or closing position of the valve.
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Turck's fluid sensor series wins the Automation Award
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Common faults in pressure sensors – Turck
The first is pressure, and the transmitter can't afford to lose it. In this case, check if the pressure connector is leaking or clogged, if not, check the wiring method and check if the power supply is normal, the brief pressure to confirm if the output has changed, or if there is an output at the zero point of the sensor ...
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Turck sensor classification and its characteristics
Ultrasonic sensors
In order to ensure the best material flow, the in-plant logistics system often uses conveying equipment, and if you want to run the conveying equipment at high speed, it is necessary to obtain the location information of the container. Turck's RU50 ultrasonic sensor is the ideal solution for inspecting containers in intralogistics systems.
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Principle of angular displacement sensors – Turck
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Turck's RFID module now features FLC
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Influencing the stability of load cells – Turck
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The correct way to use linear position sensors – Turck
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The load cell measures the magnitude of the external gravity
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The main classification of current sensors is Turck
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