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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
3. Sensitivity: less than two ounces of force can be sensitized, less than 3ms fast response
4. Resolution: with the X, Y axis ...
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Introduction to common sense of human-machine interface - Hitec touch screen
1. What is the difference between the human-machine interface and the "touch screen" that people often say?
Strictly speaking, the two are fundamentally different. Since the "touch screen" is only a hardware part that may be used in human-machine interface products, it is a replacement for the mouse and keyboard part of the function, the installation ...
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The driving principle of the capacitive touch screen - Hitech
1. Projective capacitive contacts
Although the basic structure and working principle of a projected capacitive contact screen is the same as that of a four-wire impedance film, the projected capacitive impedance film does not go through the contact field, but captures the change in capacitance between the electrodes. Generally speaking, when using the form of a capacitive sensor, it can be ...
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Hitec Industrial HMI Functions and Selection Points
Basic Functions:
Display of equipment working status: such as indicator lights, buttons, text, graphics, curves, etc.;
Data and text input operations, printouts;
Production formula storage, equipment production data recording;
simple logical and numerical operations;
Can...
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Capacitive touch screen cable fault solved
Capacitive touch screen skills use human current to detect jobs. The capacitive touch screen is a 4-layer composite glass screen. The inner and outer surface of the glass screen and the interlayer are coated with a layer of ITO, and the outermost layer is a thin protective layer of silica glass. Sandwich ITO coating for the working surface, 4 edges guiding 4 electrodes, internal ITO for ...
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The advantage of capacitive touch screen full lamination method - Hitech
The full bonding process of capacitive touch screen - TP and LCM direct bonding parts include the VA area (i.e., the view area) and the part outside the VA area.
What are the advantages of the optical lamination process selected for capacitive touch screens:
1. Capacitive touch screen ...
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The driving principle of a capacitive touch screen
1. Projective capacitive contacts
Although the basic structure and operating principle of the projection capacitive contact screen is the same as that of the four-wire impedance film, the projection capacitive impedance film does not pass through the contact field, but captures the change of capacitance between the electrodes. Generally speaking, when using the form of capacitive sensor, it can almost ...
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Four-wire/five-wire resistive touch screen – Hitech
The two-layer transparent metal layer of the four-wire resistance analogue technology operates with a constant voltage of 5V on each layer: one vertically and one horizontally. A total of four cables are required. High-resolution, high-speed transmission response. Surface hardness treatment to reduce abrasions, scratches and chemical resistance. With light ...
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Touchscreen usage skills - Hitec
1. Run your app in full screen
Remove the file name bar and menu bar, so you can enjoy the benefits of running the entire screen.
2. Choose bright colors (don't use black)
The bright color of the set can hide the finger prints and reduce the dazzling light ...
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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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How to choose the touch screen of industrial display - Hitec
1. Four-wire resistive touch screen:
It is not afraid of dust, oil and photoelectric disturbance, and is afraid of scratches is its main defect. It is suitable for public places with fixed users, such as industrial control sites, offices, homes, etc.;
2. Five-wire resistive touch screen:
Excellent sensitivity and transmittance ...
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Common faults of Hitec touch screens
1. Observe the signal indicator of Hitec touch screen, the light flashes regularly under normal circumstances, about once per second, when touching the screen, the signal light is always on, and after stopping the touch, the signal light resumes flashing.
2. If the signal light is not touched, it is still at ...
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Basic functions and selection indicators of human-machine interface
(1) Basic functions:
The operation status of the equipment is displayed, such as indicator lights, buttons, text, graphics, curves, etc.; Data and text input operations, printouts;
Production formula storage, equipment production data recording;
simple logical and numerical operations;
Can...
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Which is more advantageous, resistive touch screen or capacitive touch screen
The contact screen of mobile phone capacitive contact screen and resistance contact screen are mainly different in contact sensitivity, accuracy, cost, multi-point contact feasibility, damage resistance, cleaning, and sunlight visibility.
Contact sensitivity, 1 ...
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Touchscreen interface design and operation
Step 1: Admit to powering on the touch screen and enter the touch screen welcome interface
Step 2: Press "Enter System" with one finger at the top of the welcome screen to enter the "System Main Screen"
Step 3: Parameter setting. ...
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Analysis of the crash situation of the human-machine interface - Hitech
The human-machine interface (mainly the operation station) crashes all DCS exist to varying degrees, only with different degrees of frequency. It is also related to the length of time that DCS is used. Crash caused by hardware, showing that it can no longer recover. If the power supply voltage of the operation station is low, it is easy to make the operation station crash. Cause...
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What is the technical principle of Hitec touch screen?
The touch screen senses the contact of our fingers because when the finger touches a specific direction on the screen, it is equivalent to sending a precise electronic signal to the screen. There are many types of contact screens, which are broadly divided into resistive contact screens and capacitive contact screens. Now the most widely used is "electricity...
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The PLC and touch screen interact consistently
When the touch screen is connected with the PLC, in fact, the memory of the PLC is used, (the touch screen also has a small amount of memory, which is only used to store system data, that is, the screen, controls, etc.), the touch screen and the PLC communication is generally the master/slave contact, that is, the touch screen reads the data from the PLC, and the judgment is made in the display ...
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The reason for choosing a vision system is Hitech
The visual system is a rising star in industrial automation, and the demand for work efficiency in modern industrial automation is constantly improving, and the traditional manual detection mode can no longer meet the needs of production. The emergence of machine vision system is a good replacement for cumbersome traditional manual labor.
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Touch screen dimming fault analysis and treatment method - Hitec
Touch screen dimming fault phenomenon:
The touch screen has darkened and the colors are not displayed normally, but there is no problem with the operation.
Fault profiling :
The reason for this state of affairs may be that in the 2000s ...
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