Entering state initialization receiving code register initialization receiving mask register initialization bus timing register initialization output control register allows receiving interrupts, clearing reset request initialization command register data transmission program information transmission from the controller to the bus is automatically completed by the controller. The sending program only needs to send the sent information frame to the sending buffer and start the sending command. The receiving program information is automatically completed by the controller from the bus to the receiving buffer. The receiving program only needs to read the information to be received from the receiving buffer.
Inverter software design Inverter software uses a functional module approach. The inverter software consists of main program, interrupt service program, display subprogram, control subprogram and related subprograms. The main program block diagram of the inverter is shown in the figure. The main block diagram of the inverter. Conclusion After the development of the bus-based inverter, the practice test shows that the control system composed of two single-chip computers and dual ports has a reasonable design structure and response speed. Fast, simple operation, low cost, small failure rate, small maintenance, suitable for full digital control of AC motors, and can also be used as a test platform for various speed control schemes; the use of dual ports solves the data between the two machines A large number of fast two-way transmission, high reliability, small board area, and a good price-performance ratio; especially when the inverter is connected to other control systems or networks, it shows its superiority. Therefore, the use of fieldbus technology in the inverter is a development direction of the inverter. The frequency converter with bus interface has high stability, high reliability and practicality. Its successful development has brought considerable social and economic benefits.
Indoor Rental Led Display Features:
1. LED indoor rental screen is moving towards small spacing and high definition, and small Led Display can show more content;
2. Air insertion and quick lock structure are adopted between screens, which are easy to disassemble and assemble, can be maintained in front and back, and can be transported by air box, fast and safe.
3. The module can be maintained before and after, and the single module can be disassembled for maintenance. When packing, there are positioning posts and strong magnets. There is no seam between modules.
4. The cabinet body is of die-casting aluminum structure, with elegant and beautiful appearance, light and thin weight and hard strength.
5. According to the requirements of the site, the angle can be adjusted inside and outside, inside and outside plus or minus 15 °, splicing into different shapes.
6. All aluminum structure, good heat dissipation, no fan, no noise.
7. The brightness can be adjusted. According to the indoor brightness, adjust the best light effect.
Indoor Mobile LED Display description: compared with the traditional dance scenery and lighting, the display is single and the vision is tired. It is difficult to bring the visual expectation and the enjoyment of the visual beauty to the audience. LED display is very easy to solve these problems. Shocking visual effect, active performance atmosphere, show more video content. The acquisition of these information is far greater than the effect of traditional dance scenery and lighting. The indoor mobile rental screen has developed from the original big spacing pixels p7.62, P6 and P4 to the small spacing pixels p2.976, p3.91 and p4.81. The cabinet size has also developed from the original model to the easy to distinguish and install models of 500m * 500mm and 500mm * 1000mm.
Structure: the box body is made of die-casting aluminum, with internal soft and hard links, external super five types of network cable and aviation plug links, and each box body is equipped with a quick lock.
Precautions: the screen body is often disassembled, and the edges and corners of the screen body are easy to bump. In the process of transportation, disassembly and installation, pay attention to handle with care. In the purchase process, let the manufacturer more with mask, bottom shell and the same batch of LED lights.
LED Wall Rental,Video Wall Rental,LED Screen Rental
Shenzhen Vision Display Technology Co,.LTD , https://www.ledvdi.com