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Stepper motor is an open-loop control motor that divides a full rotation into a number of equal steps. The motor's position can be controlled to move and hold at one of these equal steps. Stepper motors come in many different sizes and styles, and they are widely used in a variety of automated control systems.

The reactor has the function of passing DC and resisting AC in the circuit. When an unsteady current flows through a conductor, a changing magnetic field will be generated, which will in turn affect the current, so any conductor will have a self-inductance phenomenon. Reactors are widely used in the system. Based on years of operating experience, the author introduces several common faults and their solutions.

An oscilloscope is a very versatile electronic measuring instrument. It can transform invisible electrical signals into visible images, which is convenient for people to study the changing process of various electrical phenomena.Today we will introduce the features and applications of oscilloscopes. We hope that after reading, you can know the usage of oscilloscope.

Centrifuge machines can be categorized into industrial centrifuges and experimental centrifuges. Experimental centrifuges are divided into preparative centrifuges and analytical centrifuges. Preparative centrifuges are mainly used to separate various biological materials. The sample capacity of each separation is relatively large. Analytical centrifuges generally have optical systems. It is mainly used to study the physical and chemical properties of pure biological macromolecules and particles. According to the behavior of the substance to be tested in the centrifugal field (continuously monitored by the optical system in the centrifuge), the purity, shape and molecular weight of the substance can be inferred. Analytical centrifuges are all ultracentrifuges.

A push-button switch is an electrical appliance that is used to connect and disconnect small current circuits that is pressed to act and released to reset. It  is generally used in control circuits with AC and DC voltages below 440V and currents less than 5A. Generally, it does not directly manipulate the main  circuit, but can also be used in interconnecting circuits.

A gas detector is a kind of instrumentation tool for gas leakage concentration detection, including a portable gas detector, hand-held gas detector, fixed gas detector, online gas detector, etc. They mainly use gas sensors to detect the types of gases present in the environment. Gas sensors are sensors used to detect the composition and content of gases.

Variable frequency drives (VFDs) have most commonly been used in water treatment plants, where they're used to regulate water flow. But in recent years, they've grown in popularity throughout many areas of the industry.

In industrial electricity and household electricity, in order to use electricity safely and ensure the safety of people's property, we must use power conditioning equipment in the process of power transmission, and the voltage regulator is one of them. It can adjust the voltage of our daily electricity consumption, so that the power supply voltage can meet the requirements of our machinery and equipment. Voltage regulators are widely used in the automotive industry, energy-saving lighting, machinery and equipment, electric furnace industry, chemical industry, glass industry.

ATO.com is a one-stop online store for industrial automation equipment/components. There are many types of products in our website. Such as motors, motors controls, passives components, tools , industrial equipments, etc. In this article, some hot selling products on ATO.com will be introduced.

Torque sensors, also known as torque meters, are divided into two categories: dynamic and static. Dynamic torque sensors can also be called torque sensors, torque speed sensors, non-contact torque sensors, and rotational torque sensors, etc. Today we will introduce two types of torque sensor. We hope that after reading this article, you can have a better understanding about a torque sensor.

Computer Numerical Control (CNC) routers are a class of machine shop equipment used to remove material from specific locations on wood or metal. Since each material has different advantages and disadvantages, there are different types of CNC milling machines. Computer numerical control refers to computer programming used to control and program routers. CNC routers are used to create patterns or cuts as needed. Industrial CNC routers used in factory settings are much more expensive than hobbyist models. CNC routers are attached to a table and programmed to remove material in a specific pattern or shape from a piece of wood or metal. The engraving machine is usually connected to a three-speed or four-speed motor system.

The limit switch is a commonly used small current master electrical appliance. It utilizes the collision of the moving parts of the production machinery to make or break the control circuit to achieve certain control purposes. Usually, this ATO limit switch is used to limit the position or stroke of mechanical movement, so that the moving machinery can automatically stop, reverse movement, variable speed movement or automatic round-trip movement according to a certain position or stroke.

A sound level meter is a basic noise measuring instrument, which is an electronic instrument. But it is different from objective electronic instruments such as voltmeters. When converting an acoustic signal into an electrical signal, it can simulate the time characteristic of the human ear's response speed to the sound wave; the frequency characteristic with different sensitivity to high and low frequencies and the intensity characteristic of changing the frequency characteristic at different loudness. A sound level meter is a subjective electronic instrument.

Soft starter is an AC motor control device that combines soft start, soft stop, energy saving and multi-function protection. It can be used in place of motor starters to reduce the inrush current surge caused by large loads. So how does a soft starter start and stop a motor with a bypass contactor?

Data transfer unit is suitable for many and scattered and complicated geographical environments. It can be connected to data terminals such as PLC, RTU, rain gauge, liquid level gauge, etc. Data transfer unit is widely used in power, environmental protection, LED information release, logistics, hydrology, meteorology and other industries. In the follow, the article will introduce remote transmission of data transfer unit.

This is because the structure of the inverter is AC-DC-AC. Whether single-phase 220V or three-phase 380V, the input AC power must first pass through a three phase rectifier bridge or a single-phase rectifier bridge to convert the AC power into DC power, and then use the point The capacitor filter is removed, and  it becomes a DC power supply with relatively flat ripples. Next, the three-phase bridge-type urinal controlled by the chip converts the DC power supply into a three-phase AC power supply whose frequency and voltage can be controlled arbitrarily.

A pressure sensor is a device that can sense the pressure signal and convert the pressure signal into a usable output electrical signal according to a certain law. It usually consists of a pressure-sensitive element and a signal processing unit. According to different test pressure types, pressure sensors can be divided into gauge pressure sensors, differential pressure sensors, and absolute pressure sensors. ATO pressure sensor is the most commonly used sensor in the industry. It is widely used in various industrial automation environments, involving water conservancy and hydropower, railway transportation, intelligent buildings, production automation, aerospace, military, petrochemical, oil wells, electricity, ships, machine tools, pipeline and many other industries.

A Digital counter is an LED control instrument, which can be used for distance measurement, packaging counting and position control. The input signal can be various waveform pulse signals and sensor signals. The input signal can be various waveform pulses and sensor signals, such as grating, proximity sensor, photoelectric sensor, contact switch, encoder, etc. (NPN, PNP). The digital counter can be directly connected to the computer and PLC. It is widely used in food, machinery, packaging and other industries.

VFD is generally a power control device that converts a power frequency power supply into another frequency by using the on-off function of power semiconductor devices. The main circuit of the variable frequency drive can be roughly divided into two categories: the voltage type is a frequency converter that converts the DC of the voltage source into an AC, the filter of the DC circuit is a capacitor; the current type is a frequency converter that converts the DC of the current source into an AC, its DC loop filter is inductance.The following ATO will introduce you how to set 120V to 220V VFD panel

The automatic holding circuit is often used in various electrical cabinets and is a simple logic circuit. Of course, this simple logic circuit can be built in a large number of PLCs, it is the basis of PLC logic instructions.