Programmable Logic Controller (PLC) is a digital computer used for automation of electromechanical process. In order to ensure the use of programmable controllers in many industries and machines, it is necessary to install and maintain them. This paper describes the installation and maintenance of programmable logic controller (PLC). With the development of science and technology,

Aiming at the failure of the tail-wing deicing system in the process of power-on inspection of a certain type of aircraft, the failure phenomena were checked on the aircraft. Based on the fault analysis method, the causes of the failure were analyzed, the accurate fault location was obtained, the finished product failure was solved, and

In this paper, a detailed analysis and study of various detection and calibration methods of the pressure controller verification device is carried out. Pressure controller verification device integrates vacuum, pneumatic pressure and hydraulic pressure, and has three functions: one machine and three functions; it adopts digital image technology. Using pneumatic pump, hydraulic pump and servo

With the support of major national science and technology projects, China’s electric vehicle industry has developed rapidly. Some new energy vehicles have been developed, such as hybrid electric vehicles, pure electric vehicles, hydrogen fuel cell vehicles and so on. 　　They have been put into trial operation in Beijing, Shanghai and other cities. At the same

China’s economy from the early days of the founding of the People’s Republic to the present, China’s scientific and technological capabilities are increasingly entering a new era of rapid development. In view of various safety problems in coal mines in the past, the state has also increased its attention to the coal mine industry. 　　The

As one of the core components of FM broadcasting transmitter, the controller will directly affect the transmitting quality of FM broadcasting transmitter, and it is an important medium for automatic and digital control of FM broadcasting transmitter. According to the function of FM broadcasting transmitter and the technical requirements of control system, this paper designs

In this paper, the principle, design and implementation of bootloader based on CAN diagnostic communication are described by using the TMS320F28069 series of DSP chips of TI company. By means of remote sending, the motor controller program is sent to the motor controller ECU through the vehicle information terminal, which can update the control strategy

To meet the requirement of safe and stable field intelligent control, the design of direct digital controller based on STM32 is studied. Using modular design and on-line programming technology, the hardware architecture of the controller and the design of each software function module are introduced in detail, and the software and hardware functions are tested.

A wireless data acquisition controller is designed by using 4G wireless network communication and embedded technology. The data acquisition controller uses S3C2440 as the main controller. The hardware and software structure of the system are elaborated. The hardware design introduces the structure and function of the hardware. The software design includes the development and debugging

AVR microcontroller can collect Manchester code signal, depth signal, pulse signal and analog signal effectively. It is widely used in logging acquisition system. The system collects the structure of the upper and lower computer, the upper computer is a notebook, the lower computer is a processor, and the master-slave mode is formed by passing through