1. Check if the jumper cap is loose or loose; if the jumper cap is not loose, make sure the jumper cap is in the correct direction.
2. Check that the serial cable used to connect to the controller is a straight through cable instead of a crossover cable.
3. Check and confirm that the serial port cable is intact and the two ends are not loose or fall off.
4. Select the correct product model, the correct transmission method, the correct serial port number, the correct serial transmission rate, and correctly set the dial switch map provided in the software against the LED display control software and the control card of your choice. Control system hardware address bits and serial transmission rate.
5. Ensure that the control system hardware is properly powered up.
If the above still fails to load after checking and correcting, please use a multimeter to measure if the serial port of the connected computer or control system hardware is damaged. To confirm whether the computer manufacturer should be returned or return the control system hardware to the test.
2. Check that the serial cable used to connect to the controller is a straight through cable instead of a crossover cable.
3. Check and confirm that the serial port cable is intact and the two ends are not loose or fall off.
4. Select the correct product model, the correct transmission method, the correct serial port number, the correct serial transmission rate, and correctly set the dial switch map provided in the software against the LED display control software and the control card of your choice. Control system hardware address bits and serial transmission rate.
5. Ensure that the control system hardware is properly powered up.
If the above still fails to load after checking and correcting, please use a multimeter to measure if the serial port of the connected computer or control system hardware is damaged. To confirm whether the computer manufacturer should be returned or return the control system hardware to the test.
Industrial Equipment & Components
fastener, fittings
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