source:Industry Trends release time:2023-04-11 Hits: Popular:led screen wholesaler
1、 What is the reason for the failure to load or communicate?
The reasons for communication failure and loading failure are roughly the same, which may be caused by the following reasons. Please compare the listed items with the operation:
1. Ensure that the control system hardware is properly powered on. (+5V)
2. Check and confirm that the serial port line used to connect the controller is a straight through line, not a cross line.
3. Check and confirm that the serial port connecting wire is intact and there is no looseness or falling off at both ends.
4. Select the correct product model, correct transmission mode, correct serial port number, and correct serial transmission rate according to the outdoor LED screen control software and the control card selected by yourself, and correctly set the address bit and serial transmission rate on the control system hardware according to the dial switch diagram provided in the software.
5. Check whether the jumper cap is loose or falling off; If the jumper cap is not loose, make sure the jumper cap is in the correct direction.
6. If it still fails to load after the above inspection and correction, please use a multimeter to measure whether the serial port of the connected computer or control system hardware is damaged, to confirm whether it should be returned to the computer manufacturer or the control system hardware for testing.
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