If you are an inexperienced GUI engineer, once there’s a failure for the HMI touch screen, you may feel helpless. This may also delay the entire development progress. Therefore, to learn the causes and solutions for common HMI touch screen failures is very important. You can troubleshoot the problems by yourself with the help of these solutions. The common HMI touch screen failures are as below: Failure 1. The touchscreen respond inconsistently The position touched by the finger does not coincide with the cursor. Cause: After the driver has been installed, when calibrating the position, you didn’t touch the center point vertically. Solution: recalibrate the center point. Failure 2: Part of the touch area doesn’t respond inconsistently Cause: The surface of the touch screen has accumulated with thick dust or scale, which affects signal transmission. Solution: Clean the touch screen. Particularly the acoustic reflection stripes on the edges of the touchscreen. While cleaning the screen, remember to cut off the power supply to avoid damage. Failure 3: the touch screen is not responsive This happens for many reasons, please check below: ① the surface of the touch screen has accumulated with thick dust or scale, which affects signal transmission. ② touchscreen failure; ③ touchscreen control card failure; ④ touchscreen signal line failure; ⑤ computer host serial port failure; ⑥ computer operating system failure; ⑦ touchscreen driver installation error. Solutions: 1. Check how the signal LED indicator of the touch screen blink. Under normal circumstances, the indicator flashes regularly, usually flashes once every second. And when touching the screen, the indicator keeps on, release your finger, the indicator resume flashing. 2. If the signal LED indicator keeps on without any touch, please check if the screen needs to be cleaned. Then check if the serial port the hardware connects with is consistent with the serial port you select in the software. Next, check if the computer host serial port is working normally. 3. After installing the driver for the first calibration, pay attention to the system errors, such as “Not found the control card”, “Touch screen is not connected”. Please check the corresponding parts according to the error prompts. For example, check whether the touch screen’s signal line is firmly connected with the control card, check whether all of the keyboard cables have been connected the host. 4. If you still failed to troubleshoot the problem, please ask a professional for help. Get more GUI technical help from Nextion official community.
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New C-more Software Recipe Functions - Duration: 3:31. AutomationDirect.com 6,438 views. EZPLC Editor Programming. How To Change Screen with Function keys for touch screen. The CMore software (version 2.78 and earlier) can open the EZ Touch files created with EZ Touch Editor version 3.1A, which is the last version of that software we sold. The CMore software for the EA7 series panels can convert the project and you can then save it as a CMore project, which you can load into a CMore panel. Easy-to-use components, touch event programming and customized GUI at screen side allow you to develop projects rapidly in cost-effective way. The TTL serial Nextion display is the best balance HMI solution between cost and benefit with low and decreased learning curve. See Nextion Editor Guide and Instruction Set. HMI Screen Editor & Logic Programming Software. GP-Pro EX WinGP - HMI screen data operable on a Windows PC. Data Management Software. EZ Towerlight.