With the rapid development of LED display screens, LED display screens are ubiquitous in places such as outdoor city squares, schools, subway stations and large shopping malls. LED soft screens are a subdivided product of LED display screens. It is mainly used to make cylindrical screens, various curved screens, corrugated screens and other products. LED displays often fail to load or communicate during the application process, and the LED soft screen is the same There will be such a problem, so what is the reason why the led soft screen cannot be loaded or communicated? The led soft screen is also called the led flexible screen, which is a branch of the led electronic display. The LED screen is the same, the following simple analysis: 1. Ensure that the control system hardware is correctly powered on. 2. Check and confirm that the serial cable used to connect the controller is a straight-through cable, not a crossover cable. 3. Check and make sure that the serial port cable is intact and neither side is loose or falling off.
4. Compare the LED display screen operating software and the control card used by itself to select the correct product specification, correct transmission technology, correct serial port number, correct serial transmission speed, and compare the correct dial switch diagram provided in the software Set the address bit and serial transmission speed on the hardware of the control system. 5. Check whether the jumper cap is loose or falling off; if the jumper cap is not loose, please ensure that the position of the jumper cap is correct. 6. If it still fails to load after the above inspection and calibration, please use a multimeter to measure whether the serial port of the connected computer or control system hardware is damaged, so as to determine whether it should be returned to the computer manufacturer or the controller should be returned. System hardware return inspection.
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