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What Problems Do LED Display Control Cards Often Encounter

What is the LED display control card?

The LED display control card is the core component of the LED graphic display. It is responsible for receiving the picture display information from the computer serial port, putting it into the frame memory, and generating the serial display data and scanning control required by the LED display according to the partition drive mode. Timing. The effect of the LED display screen is related to it.

What are the classifications of LED display control cards?

It can be divided into three types: single and double color control card, colorful control card and full color control card

What should I pay attention to when using the LED display control card?

Different brands of control cards and corresponding installation software are different. There are also different models of the same brand, with very different functions. A simple non-zoned control card is commonly used for small-area monochrome screens, which is cost-effective; while a larger area can use a zoned control card, which is more expensive.

What are the connection methods of the LED display control card?

Control card and computer connection methods are: network port (TCP/IP), serial port (RS232, RS485), U disk conduction, GPRS wireless connection, Zigbee wireless connection and other main methods.

What problems often encountered with AL LED display control card

How to choose the LED display control card?

First understand the specifications and dimensions of the LED display, calculate the number of points, and know the effect you need, whether it is synchronous or asynchronous, and whether secondary development is required; then, determine the synchronization and asynchronous, determine the effect, determine the range of points, and determine the price range. * Confirm the card; choose the right control card, not necessarily high price and good quality are suitable. *, is the software suitable for yourself and customers.

What should I do if I can't find the LED display control card?

1. Confirm that the control card is compatible with the software.

2. Check whether the connecting wire is disconnected or loose. Check and confirm that the serial cable used to connect the control card is matched with the control card. Some control cards use straight-through (2-2, 3-3, 5-5) and some control Card use (2-3, 3-2, 5-5).

3. Make sure that the control system hardware is powered on correctly.

4. Compare the control card software and the control card you choose to choose the correct product model, correct transmission method, correct serial port number, correct baud rate, and correctly set the control system hardware according to the dial switch diagram provided in the software. The address bits and baud rate on the

5. If the loading fails 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. To confirm whether it should be returned to the computer manufacturer or the control system hardware for testing