Performance indicators of load cell: 1. Dynamic characteristics, 2. Linearity, 3. Hysteresis characteristicsDynamic characteristics refer to the output characteristics of the sensor when the input changes. In practice, the dynamic characteristics of a sensor are generally used to indicate how well it responds to certain specification input signals. This is because the sensor's response to the canonical input signal is easy to obtain experimentally, and there is a definite relationship between its response to the canonical input signal and its response to any input signal, and it is generally known that the former can infer the latter. The most commonly used specification input signal has two step signals and a sinusoidal signal, so the dynamic characteristics of the sensor are generally indicated by step signals and frequency echoes.
Linearity: Generally, the practical static characteristic output of the sensor is a curve, not a line. In practice, in order to achieve uniform scale readings for the instrument, the fitted straight line approximation that is generally used indicates that the practice characteristic curve and linearity (nonlinear error) are the performance indicators of this approximation. There are many ways to pick a fitting line. For example, a theoretical line connected to the zero input and total output points is used as a fitting line; Or the square and the minimum theoretical straight line of the deviation from each point on the characteristic curve are used as the fitting line, which is called the least squares fitting line.
Hysteresis Characteristic: Indicates the degree of inconsistency between the output and input characteristic curves of the sensor between the forward (input increase) and reverse (input reduction) strokes, which is generally used for the maximum error between the two curves aMAX and the full-range output F. Percentage of S. The hysteresis may be caused by the energy absorption bow of the sensor's internal components.
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Advantages of Autonix photoelectric switches
Autonics continuously improves the product function and quality, so that the product is at the international first-class level. For more than 10 years, the market share of the products in Korea has been maintained.
1. Adopt self-developed special IC ...
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Sensors commonly used in industrial robots
In the field of industrial automation, machines need sensors to provide the necessary information to perform the relevant operations correctly. Robots are now using a number of sensors to improve their adaptability. For example, there are many cobots that integrate torque sensors and cameras to ensure that they are equipped with torque sensors and cameras during operation.
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Autotonicus photoelectric switch measurement method
1. Measurement of action distance; When the action piece is close to the sensing surface close to the switch from the front, the distance close to the switch action is the action distance close to the switch, and the measured data should be within the parameters of the product.
2. Measurement of release distance
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Ultrasonic flow sensor principle
Ultrasonic flow sensor is a new type of general-purpose time-difference multi-function ultrasonic sensor suitable for industrial environments, mainly using low-voltage multi-pulse balanced emission acceptance technology, which can be mainly applied to measure the flow of most clean and uniform liquids without large concentrations of suspended particles or gases.
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Instrumentation Fault Diagnosis Method - Ottonix
1. Percussion hand pressure method
It is common to encounter the phenomenon of good and bad operation of the instrument, and most of this phenomenon is due to poor contact or virtual welding. In this case, percussion and hand pressure can be used.
The so-called "percussion" is to ...
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Characteristic parameters of the BJ series of Autonex photoelectric sensors
Through-beam type
BJ15M-TDT-(C)-(P) / BJ10M-TDT-(C)-(P) / BJ7M-TDT-(P)
Polarized specular reflective type
BJ3M-PDT-(C)-(P)
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A type of non-contact liquid level sensor – Autonex
Capacitive level sensors, ultrasonic level sensors, and discrete photoelectric level sensors. The common development of these three non-touch level sensors is that they are not affected by the color, corrosiveness, pressure, density, etc. of liquids, because these sensor technologies cannot directly cause problems with liquids.
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Gas Sensor Failure Analysis – Ottonix
A gas sensor is a converter that converts the volume fraction of a gas into an electrical signal. We will inevitably encounter some problems when using gas sensors, and we have analyzed them as follows:
1. How long does it take for the gas sensor to be used and then calibrated again: the initial calibration ...
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Autonex SFC series safety controllers
The SFC series of safety controllers can be used with safety input products (switches, sensors, etc.) and satisfies the self-diagnosis function and safety integrity required by safety standards. In addition, the slim design saves space in the installation and allows for the use of screwed/screwless pushes for wiring connections.
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Autonix proximity switch
Proximity switches are the most commonly used solution for touchless detection. The most commonly used proximity sensor is inductive, that is, through electromagnetic waves, to sense metal objects near the detection surface of the sensor; In practice, this is a very simple tool for the detection of metal objects from one to two inches.
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Pressure sensors can't avoid errors – Ottonix
When choosing a pressure sensor, we should consider his inductive accuracy, and what are the aspects that affect the accuracy of the pressure sensor? In fact, there are many factors that form sensor errors, and let's pay attention to four unavoidable errors, which are the initial errors of the sensor.
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Autonics Single Display PID Temperature Controller TR1D Series New Product Released
The TR1D series has a high-speed sampling period of 50ms and a display accuracy of ±0.3% for more accurate temperature control. Simultaneous heating/cooling control is available to provide effective temperature control. With a width of only 22.5mm, the product minimizes the limitation of installation space and can be accessed with ...
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Precautions when using Autonex safety light curtains
Cover the safety light curtain with your hands and observe whether the indicator light conversion is normal.
During the use of the punch photoelectric protection device, the orientation of the photoelectric protection device shall not be changed at will.
In the protection zone, block the light curtain by hand, ...
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Pressure Sensor Everyday Protection – Ottonix
1. Check the standard of the equipment hole: Assuming that the standard of the equipment hole is not suitable, some of the threads of the sensor will be slightly worn during the equipment process. This not only affects the sealing performance of the equipment, but also makes the pressure sensor inadequate, and may even cause safety hazards. ...
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Pressure Sensor Fault Detection – Ottonix
First, the first component is blocked or the form of the device is wrong, and the pressure point is unreasonable, so we often emphasize that the device must be the correct device, once it is installed wrongly, or it is not well installed, it will bury endless hidden dangers for the back. What are the primary components? Orifice plates, remote transmission measuring joints, etc.
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How to choose a pressure sensor fitting – Ottonix
At present, there are not many single ferrule terminal joints on the market, and most manufacturers are using double ferrule terminal joints, and the market price is about 9-18 yuan, and the price is different according to different types. Fittings, whether they are double ferrule end fittings or single ferrule end fittings, are all ...
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Principle and application field of Ottonix panel table
Panel meter, also known as the dial table or meter head, the full name is the panel device instrument (panel device instrument), English Panel Meter. Because this kind of instrument device is fixed on the surface of the equipment for viewing and operation, it is called a panel table, which is a functional part of the screen equipment.
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Autonex BD series laser displacement sensors
BD series laser displacement sensor can measure the thickness, width, horizontal difference, parallax, twist and flatness of the target object by detecting the displacement.
Regardless of the color or data of the policy, the sensor can provide accurate and stable measurement results. Sensor head and amplifier unit ...
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Autonex PSK series 2-segment display pressure sensor
The PSK1 series is a two-stage display pressure sensor that displays the current value (PV) and the set value (SV) together. It not only shows the setting status, but also provides a power-saving form and a fine-tuning function to improve the user's convenience.
PSK1 Key Features:
Additional pressure scale (composite pressure ...
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The difference between switching power supply and module power supply – Autonix
Modular power supplies are power supplies that can be mounted directly on a printed circuit board and feature power supply to application-specific integrated circuits (ASICs), digital signal processors (DSPs), microprocessors, memories, field-programmable gate arrays (FPGAs), and other digital or analog loads.
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