Xinjie touch screen shows "communicating...", unable to communicate with the device - Database & Sql Blog Articles

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1. Download the "Handbook for Touch Screen and Plc and Other Communication Devices"

7. Determine the currently used touch screen communication port The touch screen has two communication ports, namely PLC port and Download port, which is used to determine which port the touch screen uses for communication. Do not insert the wrong communication port. If the PLC port is used, the device of each component should be "PLC port".
8. Observe the station number in the communication window. If the user can determine the station number of the communication device, if the device station number is 1, but the communication window popped up on the screen is "communication, PLC station number 0...", Then the station number of some controls must be 0 in the touch screen program. The user needs to check whether the site number of all parts of the project is incorrect, and change the station number to 1.
9. On-site interference check whether there is interference at the scene, and do some anti-interference measures, such as communication line plus shielding layer, touch screen using independent power supply, and some isolation between high-frequency equipment.