1. High degree of activity;
2. A few shapes have multi-faceted adaptability, and can be made into arbitrary shape of optical fiber sensors;
3. It can manufacture devices that sense various physical information (sound, magnetism, temperature, rotation, etc.);
4. It can be used in high voltage, electrical noise, high temperature, corrosion, or other harsh environments;
5. And it has internal compatibility with optical fiber telemetry technology.
The advantage of optical fiber sensor is that compared with traditional sensors, optical fiber sensor uses light as the carrier of active network information, and uses optical fiber as the medium to transmit active network information, which has the characteristics of optical fiber and optical measurement, and has a series of common advantages. Good electrical insulation performance, strong anti-electromagnetic interference ability, non-invasive, high flexibility, simple realization of long-distance monitoring of the measured signal, corrosion resistance, explosion-proof, flexible optical path, easy to connect with the computer.
The sensor is carried out in the direction of activism, accuracy, adaptability, small and intelligence, which can play a role in the eyes and ears of people in places that cannot be reached by people (such as high temperature areas or areas harmful to people, such as nuclear radiation areas), and can also cross the physiological boundaries of people and receive external information that cannot be felt by human senses.
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Classification of ifm magnetic sensors
Any sensor made by using magnetic properties and magnetic flux changes is called a magnetic sensor. There are two common types of magnetic sensors: piezomagnetic sensors and magnetoelectric sensors. The two types of sensors are quite different in terms of operating principle and range of use.
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ifm IO-Link devices are the inputs and outputs of the master modules
The new IO-Link I/O modules make it easy and cost-effective to add robust digital inputs and outputs to ifm's IO-Link master modules for use in the field.
●After IO-Link and binary signal ...
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The difference between a fiber optic sensor and a photoelectric sensor – ifm
The first point is that photoelectric sensors and fiber optic sensors work differently
First of all, from the principle of operation of the two, first of all, the photoelectric sensor is operated according to the principle of the photoelectric effect, that is to say, when the light hits the photoelectric sensor made of semiconductors, the light will be announced.
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Range, accuracy and installation of load cells – ifm
1. The scale of the sensor:
(1) In normal use (static test or quasi-static test, the frequency of use is not high), the scale of the sensor should be selected to consider the force value of the measurement, but also consider the weight of the auxiliary tool (test fixture) and so on.
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Precautions for the installation of ultrasonic level gauges
1. The appearance is installed outdoors, and it is recommended to install a sunshade to prolong the service life of the appearance.
2. Wire and cable protection pipes should be sealed to avoid water accumulation.
3. Although the appearance itself is equipped with lightning protection equipment, when the appearance is used in the multi-lightning area, it is advocated to distinguish the inlet and outlet lines on the surface.
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Sensor performance indicators – ifm
Selection of sensitivity
In general, within the linear scale of the sensor, the higher the sensitivity of the sensor, the better. Because as long as the sensitivity is high, the value of the output signal corresponding to the measured change is relatively large, which is conducive to the signal processing.
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High-frequency pressure sensor output signal – ifm
The conversion of the pressure to the electrical signal is done by the physical deformation of the strain gauge, and the strain gauge is bonded to the diaphragm of the pressure sensor and wired into a Wheatstone bridge structure. The pressure exerted on a high-frequency pressure sensor causes the diaphragm to flex, which causes the strain gauge to strain. Strain will occur ...
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Correct use of the high-temperature pressure sensor method – ifm
1. It is necessary for the sensor to be properly installed
Damage to high-temperature pressure sensors is usually caused by their installation in improperly machined holes. When the sensor is loaded into a hole that is too small or eccentric, the sensor diaphragm may be damaged, which can then cause the instrument to not function properly.
Can...
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Fuel level sensors monitor the cause of the fuel level – ifm
The oil level sensor according to the resistance is mechanically connected to the float, and the float can rise or fall with the fuel level, and the resistance of the sensor changes as the float moves. The sensor used is part of the current balance circuit in the fuel gauge display circuit, which is generally used to drive ...
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Introduction to sensor design tips – ifm
1. Start with the bus east and west
As a first step, the engineer should take the approach of first interfacing the sensor, which is through a bus stuff to constrain the ignorance. A bus thing connects to a personal computer (PC) and then to the sensor for I2C, SPI or other ...
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Common faults in ifm encoders
1. Encoder own problem: It refers to the problem of the encoder's own components, resulting in its inability to generate and output correct waveforms. In this case, the encoder needs to be replaced or its internal components repaired.
2. Encoder connection cable problem: the probability of this problem is high, and the maintenance is under repair.
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The ifm identification system has an RFID antenna with IO-Link
Sensitive parameterization, diagnostics and data processing of ifm sensors are suitable for many different uses9 versions, suitable for a variety of different types of sensitive parameterization, diagnostics and data processing with I/O-Link Ideal for the identification of small data volumes with LR DEVICE or IO-L ...
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Essentials for the selection of ifm controllers
1. The ifm controller has a control function
Another important reference feature for the purchase of ifm controllers is the ability to control movements and other applications. Fulfillment of these functional requirements requires I/O, as well as a strong processor and the ability to prioritize missions.
Programmable Drum Switches (PDS...
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Detailed description of the hysteresis function of ifm ifm sensors
ifm sensors can be used for many different purposes. Here are some of the most common features of sensors.
ifm sensors have hysteresis function, if the system pressure changes around the preset value, the hysteresis function can be ...
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Use and maintenance of strain gauge load cells – ifm
The aluminum foil sensor is composed of elastomer, strain gauge, adhesive, maintenance layer, compensation circuit, etc. The strain transmission path is: elastomer - + adhesive → strain gauge sensitive grid - + overlay - maintenance coating, which constitutes a complex system that is more different from the strain gauge itself. If the application attached to the elastomer ...
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Precautions for sensor installation – ifm
Temperature sensor
1. The sensor should be firmly grounded, and the wire side of the sensor should not be short-circuited.
2. The thermistor of the moving magnet water thermometer sensor will increase with the temperature and the resistance value will decrease.
Fuel level sensor
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Industry examples of ifm inductive sensors
Spindle speed detection
In order to prevent damage to wind turbines due to overspeeding, the rotational speed is detected using inductive sensors and evaluated by safety-related speed monitors. ifm IFS24X series inductive sensors with M12 ...
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Pressure sensor type PN for industrial applications with display – ifm
ifm pressure sensors PN for industrial use:
The first is consolidation: an ambition measuring element suitable for various pressure scales;
The second red-green scale: according to the color of the display, you can quickly identify the "good scale" or switch ...
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The difference between ifm inductive and capacitive sensors
There are many different series under ifm sensors, including inductive and capacitive sensors. So what's the difference between the two sensors?
ifm inductive sensors are essential in industrial use.
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Vibration sensors are selected according to the parameters – ifm
The use of oscillation sensors in various fields is also a lot, with the development of the market economy, the demand for sensors is increasing, but many people are not professional when purchasing, in order to prevent the purchase of undesirable products, how to choose when we choose the sensor? ...
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