Classification, function and control mode of frequency converter

What is a frequency converter? As a common power control equipment in industry, frequency converter has been widely used in various industries. It is one of the indispensable and important equipment in the industrial control industry. Next, let’s briefly introduce the classification, function and control mode of frequency converter. Classification of frequency converter 1. According […]

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What is the situation of the processor market now

The expansion of consumer demand and technological progress in the industrial field continue to promote the rapid growth of the microcontroller and microprocessor market. The key factor causing its explosive growth is the application in the fields of automobile, telecommunications and medical care. Electronic and electrical components become more and more powerful and smaller. In […]

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How to control brushless DC motor_ Selection of Brushless DC motor

Integrated from: Zhongzhi motor. Stepper motor. HamDerBurg How to control brushless DC motor Because of Brushless DC motor, the motor cannot complete the current commutation by itself, and the commutation must be realized by external control circuit. Therefore, there is no conventional DC control mode. The commutation of the external control circuit is realized through […]

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Single chip security intelligent door lock scheme based on n32g4frx

1. What is a single chip security intelligent door lock? The so-called single chip security intelligent door lock scheme is to integrate the functions of physically independent intelligent door lock master control, security chip, fingerprint identification, touch control and Bluetooth into a single MCU chip. This single-chip scheme can not only save the device cost, […]

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Electrical control schematic diagram of two grinding machines

1. Electrical control of grinding machine Grinding machine is usually used for grinding tools. The high-speed rotating grinding wheel is installed on the shaft of the motor and rotates at the same speed as the motor rotor. Although it only needs the motor to rotate in one direction, it is not suitable to use the […]

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Common classification methods of operation controller

There are many types of control controllers, and the classification methods are not the same. Generally speaking, the common classification methods are as follows: 1. Classification by sport (1) Rotary controller such as crank, hand wheel, cock, key, knob, etc. Automatic control network www.eadianqi.com copyright (2) Swing controller such as switch lever, adjusting lever, lever […]

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PLC control method for four servo electric cylinders

According to the analysis of control task and control object, this paper introduces the control method of four servo electric cylinders by using domestic Xinjie XDM series motion control PLC. The method is simple, easy to program and high reliability. 1. Control task The control system design requirements of the test diagnosis platform are as […]

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What is the difference between multi line fire control and bus control

Bus system: in a network, all nodes are hung on two communication lines (just talk about the communication line, whether there is additional power line is the difference between two buses and four lines). Multi line system (branch line system): refers to the main station out of two communication lines, only one from the station. […]

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Proportional differential control and PD regulator

The proportional integral control acts according to the deviation, while the differential control acts according to the variation trend (i.e. the variation speed) of the deviation. Some people are smart when taking a shower to control the water temperature. He will judge the trend of the water temperature and adjust the valve ahead of time. […]

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