1) Check whether the connection of the touch screen is right, and whether the connection of a cable connected to the keyboard port of the host (take the working voltage of the 5 volt touch screen from the keyboard port) is connected, please check the connection.
2) Observe the situation of the touch screen control box light, if it is not lit or the red light is on, it means that the control box is broken, please replace it.
3) If you admit that it is not the above situation, please delete the touch screen driver and restart the computer to re-install the driver, or replace the newer driver.
4) Whether there is a conflict between the device and the serial port resource in the host, check the hardware device and adjust it. For example, if the default IRQ of some NIC devices is 3, which conflicts with the IRQ of COM2, the IRQ of the NIC should be changed to the IRQ that is not used at leisure.
5) If the touch screen is used for a long period of time (3-4 years) and you find that some areas of the touch screen cannot be touched, it may be that the touch screen is broken, please replace the touch screen.
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Hitec touchscreen copy program
TWO HITECH TOUCH SCREEN COPY PROGRAM METHODS:
1. Make a communication cable first.
HMI1 COM port HMI2 COM port
25-pin female 25-pin female
RXD 3 -------------------------------- TXD 2
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Touch screen control PLC method
The function of the touch screen is to control the soft relay of the plc, for example, if you use X3 as the start, then you can connect X3 in parallel in the PLC program, for example, M45, set a virtual button in the touch screen, and then set it to M45 action in its characteristics, then when the touch screen and PLC are connected, ...
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Lightning impulse control system requirements for industrial touch film screen - Hitech
1) The general requirements of the lightning impulse control system for the industrial touch film screen
1.1. Use the big button as a brief click interface;
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Frequently Asked Questions on Human Machine Interface Products - Hitec
1. What is the difference between the human-machine interface and the "touch screen" that people often say?
Strictly speaking, there is a fundamental difference between the two. Because the "touch screen" is only a hardware part that may be used in human-machine interface products, it is a kind of replacement for the mouse and keyboard part of the function.
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Hitec touch screen repair
How to repair the Hitec touch screen when common problems occur
If the Hitec touchscreen display is confused, there are many reasons. For example, if the battery voltage is too low, the display will be confused. In addition, it may be that the power strip in the mechanical equipment is not installed and the storage area is chaotic ...
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Human-machine interface fault solution - Hitec
Human-computer interface (HMI), also known as user interface or user interface, is a preface and dialogue interface for transmitting and communicating information between humans and computers, and is an important part of the computer system. It is the preface to the interaction and information communication between the system and the user, and it realizes the internal aspects of the information.
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Capacitive touch screen parameters
1. Reporting rate: too fast, the CPU can not respond in time, which may cause drops, and the line is easy to break
2. Accuracy: 99% accuracy
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Industrial touch panel PC for dismantling and screen replacement - Hitec
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1. Strong ...
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For industrial capacitive touch screens, we are very familiar with it and will be applied in many fields. In the market, we can see a variety of industrial touch screens. The choice is more difficult, so you should also be cautious when choosing. Today, how to recognize and choose an industrial capacitive touch screen.
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Tablet PC is a relatively simple, natural and practical new human-computer interaction skill machine and equipment, mainly for some self-ribbed business processes. There are many types, among which the industrial contact tablet PC, which brings together computer skills, network technology, sound planning, ...
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The reason for the failure of industrial touch screens - Hitech
After clicking on the three corners of the contact screen, enter the offline form (note: different contact screens enter the offline form in different ways). Once in the offline format, click "INITIALIZE", and after clicking, keep clicking "SET-UP-I/O" and then "SET-UP-TOUCH-PANEL". ...
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The difference between human-machine interface and touch screen
In life, we often come into contact with touch screens, and many people will regard the human-machine interface as a touch screen, in a strict sense, there is a fundamental difference between the two.
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The Hitec touch screen software sets up the application method to run automatically
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Analysis of the crash situation of the human-machine interface - Hitech
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What is the difference between inline and outboard installation of the touch screen?
Embedded device is a common installation method, which can make two objects fit together to form a whole, which looks simple, beautiful and does not take up space, which is the popular installation method at present.
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The internal composition of the touch screen - Hitec
The interior of the touch screen can be roughly divided into: communication interface unit, driver unit, memory variable unit, and display unit. In addition to the display unit, the other 3 units are invisible to us inside the touch screen.
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Precautions for the use of industrial touch film screens - Hitec
1. The resolution needs to be fixed
Every time the screen resolution of the industrial touch film screen is adjusted, there will be some shifts, and the solution is to manually adjust or restart the machine, but this frequent adjustment is not good for the machine.
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Touch screen screen switching problem - Hitech
When the BOOL variable (variable 1 and variable 2) is connected to the touch screen, when variable 1 is 1, it actively switches from screen 1 to screen 2, and when variable 2 is 1, it actively switches from screen 2 back to screen 1, can it be realized on the touch screen?
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Guidelines for designing industrial touch screens – Hitech
The industrial touch screen is an intelligent interface that connects people and machines through touch industrial displays. It is an intelligent operation display terminal that replaces the traditional control buttons and indicator lights. It can be used to set parameters, display data, monitor equipment conditions, draw curves/animations, etc.
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Industrial Tablet PC Crash Causes and Solutions - Hitech
1. Poor internal heat dissipation of industrial tablet computers
Industrial tablet PCs are in a harsh environment, with a lot of dust in addition to high temperatures. When the dust enters the industrial tablet computer, the heat dissipation effect of various electronic components such as boards and CPUs is poor, forming the "crash" of the industrial tablet computer.
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