Weiluntong touch screen common fault maintenance

1. TK series (simple and practical, widely used) 1、TK8071iP 7" TFT display 800*480 dots, brightness 350, contrast ratio 500:1, 16M color, 128MB memory, DC10.5——28VDC power supply, four-wire resistive type, overall dimensions 200.4*146.5*34m...

With the advent of the Internet of Things (IoT) era, more and more PLCs and controllers support web servers, which are convenient for users to directly modify the content of various system parameters in the equipment and monitor their operating status through the "web interface". In the face of this trend, Weilun Tong new ...

Key points of Weiluntong touch screen selection: 1. Consider the size, how big the screen is, 7 inches or 10 inches, etc 2. Whether there is an Ethernet communication interface or a USB interface 3. Consider the type of interface supported by the touch screen, RS232/RS485 interface 4. Whether it has ...

1. Check the hardware connections: Make sure the touchscreen is properly connected to the device and that all cables and connectors are in working order. Check if the connector is loose or damaged, and if so, reconnect or replace the connector. 2. Check the drivers: Make sure the device is properly installed.

With the sudden changes in the market environment, the digital transformation of enterprises is imminent. In the process of digital transformation, cloud service integration is an important part. However, the high-level technical threshold and huge construction costs often discourage enterprises. 　　Therefore, Weiluntong Technology ...

1. Background color: Right-click on the blank space of the window, select Properties, Pop-up Settings, and select a color in the background; Hatch: In the background, tick the fill, select the pattern color and pattern. 2. Picture/Background Image: Select Picture Element ...

1. Appearance of Weiluntong contact screen: Use special Weiluntong contact screen cleaner and soft fiber cloth to clean the appearance of Weiluntong contact screen, remove dirt and fingerprints, etc., to ensure a clean appearance. 2. Restart the device: test to restart the contact screen device of Weiluntong, sometimes restart...

1. Check that the power cord is plugged in and if there is electricity. If there is no electricity, you can replace the cord or plug. 2. Check if the power switch is on. If it doesn't turn on, you can try turning on the power switch. 3. Check if the battery is charged. If the battery is low ...

1. Plug in the U disk on the touch screen, you don't need to power off the screen, the screen supports the hot-swap function, but at this time, it is best not to communicate with external devices to reduce unnecessary impact. When the screen detects an external device, a dialog box will pop up, select the second Upload Project option ...

1. The screen is powered off, and the first DIP switch behind is dialed to the ON position; 2. Power back on, a white crosshairs will appear on the screen, click the middle of the crosshairs vertically, after the point (the time can not be too short), the crosshairs will automatically jump to the next position, crosshairs ...

The five-wire resistive touch screen and the four-wire resistive touch screen both adopt the principle of analog resistance, and their conventional fault characteristics are exactly the same as those of the four-wire resistor. If you are using a five-wire resistive touch screen, when there is an installation and maintenance problem, please determine and solve the problem in the following order. ...

1. Enter the system settings interface of the Weilun touch screen, and select the "Power Management" option in the "System Settings". 2. In "Power Management", you can set how long the touch screen will automatically enter the "standby" state without operation, and you can also set how long it will enter the "...

1) Check if the hard drive is turned off in the "Display Energy Saving Settings" of Wlndows 9x. The way to do this is to right-click on the desktop, select the "Properties" command, then select the "Screen Saver" tab from the dialog box, click the "Settings" button, and set the parameter to "...

Easy to operate You only need to touch the relevant button on the computer screen with your finger to enter the information interface, which can include text, animation, music, video, game, etc. User-friendly interface Customers don't need to know the expertise of computers to understand ...

　　Human-computer interface (also known as user interface or user interface) is the medium of interaction and information exchange between the system and the user, which realizes the transformation between the internal form of information and the form acceptable to humans. Human-machine interfaces exist in all areas involved in the exchange of information between humans and machines. 　 ...

Merit: 1. The resistive touch screen has high accuracy, which can be at the level of pixels, and the maximum resolution can be up to 4096x4096. 2. The screen is not affected by dust, water vapor and oil, and can be used in a lower or higher temperature environment. 3. Resistive contact ...

1. The memory address is different. The memory address of the PW touch screen uses the local hold register, while the memory address of the RW uses the hold register index to send RWI. 2. The address range is different. The address range of the LW of the touch screen is 0 to 524287, while the address range of the RW is 0 to .

1. When turning on and off the power of the machine, it should be operated in strict accordance with the regulations; 2. According to the severity of the environment, set a time limit to open the machine head to clean the reflective stripes and inner surface of the touch screen; 3. At present, the mainstream industrial display program does not have a mouse cursor, because the flashing of the cursor will ...

1. Locate the relevant property. In the property settings of the touch screen, find the properties that need to be set, such as touch screen input, output, communication and other related attributes. 2. Set the properties. Set the appropriate property values as needed. If some properties don't have predefined options, ...

The types of capacitive touch screens are divided into two types: surface capacitive touch screens and projected capacitive touch screens. Surface capacitive touch screen Commonly used is the surface capacitive touch screen, which has a simple working principle, low price, and simple circuit design, but it is difficult to achieve multi-touch. ...