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Micro Encoder 24mm OD Incremental Encoder Customized Introduction

2023-07-08

Encoders with an outside diameter of 24 mm are micro encoders, or compact encoders. Due to the smaller outer diameter, it is convenient for easy installation and use in small spaces. We offer customized 24mm OD incremental encoders. Scana and Kübler have 24 mm OD encoders, and we have also developed a customized replacement for 24 mm OD incremental encoders. Both solid shaft and blind hole encoders can be customized, with spindle sizes of 4, 5 and 6 mm. The above picture shows the appearance of SCANCON encoders. The entire series of these 24mm OD encoders can be customized. With a pulse count of up to 16,384 P/R and a protection class of up to IP65, these encoders are especially suited to environments where space is at a premium and installation space is reduced. Incremental encoders determine the angle and direction of rotation by counting the number and direction of signal pulses. The number of pulses is proportional to the angle of rotation, while the pulse...

What is an encoder revolution? What is an encoder step?

2023-04-07

The number of encoder turns and the number of steps are both parameters used to describe the measurement accuracy of an encoder, but they have some differences. The number of encoder turns usually refers to the range that can be measured by a multi-turn encoder, the encoder is divided into single-turn and multi-turn, for example, a single-turn encoder resolution is 4096, so the resolution of this single-turn encoder is 4096, because 2 times 12 equals to 4096, also known as 12-bit encoder. Another is a multi-turn encoder 4096 turns, here is the encoder range of 4096 turns, if his single-turn resolution is 4096, and the number of turns is 4096 turns, then its total range is 4096X4096. The encoder step is the amount of position change that occurs when the encoder outputs a pulse signal, usually expressed in the form of angular or linear displacement. For example, if an encoder outputs 1 pulse in a pulse cycle, and each pulse represents a 0.01 degree angle of rotation...

Wide range of industry applications: learn about absolute encoders in various fields of application

2023-04-07

Absolute encoder is an advanced encoder device. Compared with other kinds of encoders, its main advantage lies in its operation, which relies on the fixed position of the machinery to determine the encoding, and does not require the memory function to find the reference point, so it has the characteristics of fast speed, high precision and controllable performance. In addition, the device is very operator-friendly, ensuring the reliability of the measured data. Below are some examples of the application of absolute encoders in common industries, which help to gain a deeper understanding of the specific applications of the device: Application in solar water heater: solar water heater mainly absorbs heat to heat water, and absolute encoders can adjust the sunny side of the solar energy according to the feedback displacement data to ensure that the solar panels are able to absorb solar energy over a large area. Application in engineering machinery: Absolute encoders are widely used in equipment such as cranes, hoists and gondolas to measure the value of angle and displacement changes during the operation of machinery...

How is an absolute encoder connected to an inverter?

2022-09-21

At present, very many people are using inverter external absolute encoder to use, its frequency setting is simple, easy to operate and control, just gently turn the knob of the external absolute encoder, you can set the frequency, then you know how to connect the absolute encoder with the inverter? Frequency converter external absolute value encoder to use what are the places to pay attention to? Due to a variety of inverter instructions on the external absolute value encoder resistance and power regulations are not the same, so everyone in the operation of the frequency converter how to connect the external absolute value encoder, should be in accordance with the instructions of the frequency converter to carry out the operation. Absolute value encoder principle Absolute value encoder is a resistive element with three pins, whose resistance value can be adjusted according to a certain pattern of change. Waterproof encoder is a signal or data preparation is converted into a usable form of communication, transmission and storage device, the angular displacement or linear displacement into an electrical signal, the former is called the code disk, the latter is called the code ruler. Encoder...

What do phase A, phase B and phase Z of the encoder refer to?

2022-09-21

The encoder manufacturer shows that the encoder only has the concept of A-phase, B-phase and Z-phase signals. A-phase, B-phase and Z-phase are the output signals of the encoder's channels, and the so-called U-phase, V-phase and W-phase are the three-phase main circuit supplies of the AC motor's main power supply. In the encoder's A-phase, B-phase and Z-phase signals, the signals of A and B channels are generally quadrature pulse signals; while the Z-phase is zero pulse signal. Generally the encoder output signal in addition to the A, B two-phase, every revolution also output a zero pulse Z. When the spindle rotates clockwise, the output pulse A channel signal is located before the B channel; when the spindle rotates counterclockwise, the A channel signal is located after the B channel. Thus, it can be judged whether the spindle is rotating positively or negatively. In addition, the encoder sends out one pulse for every one week of rotation, which is called the zero pulse or marking pulse, and the zero pulse is used to determine the zero position) or marking position. To accurately measure the zero pulse, regardless of the direction of rotation, the zero pulse is used as the basis for two...

Difference between incremental and absolute encoders

2022-09-21

The rotary incremental value encoder outputs pulses as it rotates, calculates its position by counting equipment, and relies on the internal memory of the counting equipment to remember the position when the encoder does not move or when there is a power failure. In this way, when the power failure, the encoder can not have any movement, when the incoming work, the encoder output pulse process, there can not be interference and loss of pulse, otherwise, the counting device calculated and memorized zero point will be offset, and the amount of this offset is no way to know, only after the error results. The solution is to add reference points, and every time the encoder passes a reference point, the reference position) is corrected into the memorized position of the counting device. Before the reference point, there is no guarantee of the accuracy of the position. In the industrial control there is each operation first find the reference point, power on to find zero and other methods. Such a method is more troublesome for some industrial control projects, and even does not allow the power on to find the zero, there are some working conditions also do not allow the use of the position error due to the influence of interference, so it is...

Incremental encoder output signal stability and response frequency

2022-09-21

The stability of the encoder output signal The stability of the incremental encoder output signal refers to the ability to maintain the specified accuracy under actual operating conditions. Absolute encoder code value" with the measured "position" corresponds to a unique, with "power failure memory" function, no rotational measurement of the accumulation of error, in "a cycle of" in the field of measurement and control than the incremental encoder is superior. "The encoder is superior to incremental encoder in the field of measurement and control, and the range can be adjusted by adding a front reduction gearbox. The main factors affecting the stability of the encoder output signal are the drift caused by the temperature on the electronics, the deformation force added to the encoder by the outside world, and changes in the characteristics of the light source. As a result of temperature and power changes, the encoder's electronic circuit can not maintain the specified output characteristics, in the design and use should be given full consideration. Second, the response frequency of the incremental encoder The response frequency of the encoder output depends on the detection (check and test) devices, electronic processing line response speed. Incremental encoder is the displacement is converted into a periodic electrical signal ...

Encoder Failure Analysis and Encoder Replacement

2022-09-21

Encoder Failure Analysis Absolute encoder battery voltage drop: this failure usually have meaning clear alarm, this time need to replace the battery, if the reference point position memory is lost, but also to perform the revert to the reference point operation control. Encoder installation installed after the reduction gear, such as the shaft end of the winch wire rope reel or the last section of the reduction gear shaft end, this method has no gear back and forth clearance, the measurement is more direct, higher precision, this method is generally measured in long-distance positioning, such as a variety of lifting equipment, feeding trolley positioning, and so on. Failure of the encoder connection cable: this failure has the highest probability of occurrence, maintenance and repair often encountered, should be a priority factor. Usually for the encoder cable break, short circuit or poor contact (line loose), then need to replace the cable or connector. Should also pay special attention to whether it is due to the cable is not fixed tightly, resulting in loose caused by open welding or broken circuit, then need to tighten the cable. Encoder +5V power drop: is the +5V power supply is too low...

How to determine if an encoder is counting accurately

2022-09-21

In many cases, the encoder is not broken, but the interference causes a bad waveform, which leads to (generates, contributes to) inaccurate counting. How can I determine this? Encoder is a precision component, this is mainly because of the encoder around the interference is more serious, such as: whether there is a large motor, welding machine frequent start-up caused by interference, and whether the power line and the same pipeline transmission and so on. Select what kind of output on the anti-jamming is also very important, the general output with reverse signal anti-jamming to be better, i.e., A + ~ A-, B + ~ B-, Z + ~ Z-, which is characterized by the addition of the power supply (to the electronic equipment to provide power to the device) 8 wires, rather than 5 wires. Examples include various lifting devices, feeder trolley positioning, etc. With the reverse signal in the cable (Cable) transmission is symmetrical, interference is small, in the receiving device can also be added to the judgment. It is the encoder is also good or bad, its code disk \ electronic chip (also known as microcircuit) \ within...