The difference between infrared touch screen and capacitive touch screen is that the infrared touch screen has grooves and is afraid of strong light. This machine is thick and heavy, but it is cheap. The capacitive screen all-in-one machine is more beautiful, lighter and thinner, it is pure flat and easy to implement.
1. Infrared touch screen all-in-one machine
The infrared technology touch screen is composed of infrared emission and reception sensing elements installed on the outer frame of the touch screen, and on the surface of the screen, an infrared detection network is formed, and any touch object can change the infrared light on the contact to achieve touch screen operation. The implementation principle of the infrared touch screen is similar to that of the surface acoustic wave touch, which uses infrared emission and reception sensing elements.
These elements form an infrared detection network on the surface of the screen, and the object operated by the touch (such as a finger) can change the infrared light of the electric shock, and then be converted into the coordinate position of the touch to achieve the response of the operation. On the infrared touch screen, the circuit board arranged on the four sides of the screen is equipped with an infrared emitter tube and an infrared receiving tube, which correspondingly form an infrared matrix that crosses horizontally and vertically.
2. Capacitive touch screen
A capacitive touch screen is a special metal conductive substance that is transparent on the surface of glass. When a finger touches a metal layer, the capacitance of the contact changes, causing the frequency of the oscillator connected to it to change to change, and information can be obtained by measuring the frequency change to determine the touch position. Since the capacitance varies with temperature, humidity or grounding, it is not stable and tends to drift.
Characteristics of infrared touch screen: high stability, will not drift due to changes in time and environment; Highly adaptable, free from current, voltage and static interference, suitable for some harsh environmental conditions (explosion-proof, dust-proof); High light transmittance, no intermediate medium, up to 100%;
The second feature of infrared touch screen: long service life, high durability, not afraid of scratches, and long touch life; Good use characteristics, no force is required for touch, and there are no special requirements for the touch body; SUPPORT ANALOG 2 POINTS IN XP AND TRUE 2 IN WIN7; Support USB, serial port output; The resolution is 4096 (W) * 4096 (D); Good operating system compatibility.
The first feature of the capacitive touch screen is that the four sides of the touch screen are plated with narrow electrodes to form a low-voltage alternating electric field in the conductive body. When touching the screen, due to the electric field of the human body, a coupling capacitance will be formed between the finger and the conductor layer, and the current emitted by the four electrodes will flow to the contact, and the current strength is proportional to the distance from the finger to the electrode, and the controller located behind the touch screen will calculate the proportion and strength of the current to accurately calculate the position of the touch point.
Capacitive touch screen feature 2: The double glass of the capacitive touch screen can not only protect the conductor and sensor, but also more effectively prevent external environmental factors from affecting the touch screen, even if the screen is stained with dirt, dust or oil stains, the capacitive touch screen can still accurately calculate the touch position.
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How to open the Kunlun Tongtai touch screen backup program on the computer
1. Prepare a USB flash drive of 8GB or less. Insert the USB port behind the touch screen, restart the touch screen, and quickly tap the progress bar when the process progress bar appears on the touch screen screen.
2. Click "System Maintenance".
3. Click Back up System Information.
4. Make sure the display path is us...
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How to operate the Kunlun Tongtai touch screen network setting
When using Kunlun Tongtai touch screen, sometimes for communication requirements, you need to set up a network communication address, so how to set up the network of Kunlun Tongtai touch screen? Let's take a look at it. Power on the Kunlun Tongtai touch screen, tap anywhere on the screen to enter the main interface after the TPC is powered on, ...
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Kunlun Tongtai touch screen how to set the English window
Open Kunlun Tongtai touch screen programming software and select the [Multi-language Configuration] icon in the edit menu
In the pop-up Multi-Language Configuration window, select File and click Open.
In the Multi-Language Configuration file drop-down menu, select Select Language.
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Why can't Kunlun touch screen TPC1061Ti communicate directly with S7-300MPI?
Problem Description:
Why can't Kunlun touch screen TPC1061Ti communicate directly with S7-300MPI?
Solution(s):
1. According to the Kunlun Tongtai and Siemens 300MPI direct connection sample, the communication status is 1, ask customer service, check line 3 8 PLC --7 8 ...
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Kunlun Tongtai touch screen - touch all-in-one screen fault analysis and treatment method
Analysis and treatment method of touch all-in-one screen fault
Fault 1: Touch deviation phenomenon: The position touched by the finger does not coincide with the mouse arrow.
Analysis: After installing the driver, there was no vertical touch to the bullseye center position when correcting the position.
Place...
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Common Problems and Solutions of Kunlun MCGS Touch Screen(11-19)
11. Meaning of split time in save data browsing
It refers to defining according to one's own needs the point in time from which yesterday and today are separated, or the month, etc.
12. The history table cannot display the extracted data
(1) Extract first, and then use the history table to display the data ...
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Hardware Problems and Solutions of Kunlun Tongtai MCGS Touch Screen(91-95)
91. How to update the TPC splash screen
After the project is downloaded and the communication test is successful, click "Advanced Operation", in the advanced operation dialog box, select the corresponding file to replace the startup screen, and then click the "Change Startup Screen" button.
Note: The splash screen is set ...
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How to modify the time of Kunlun Tongtai touch screen?
1. Tap the settings icon in the top right corner of the screen to enter the settings menu.
2. Find the "Time Settings" option in the menu and click to enter.
3. On the time settings screen, you can manually modify the current date and time. There is also the option to automatically get the time so that the device ...
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How to set the fault alarm between Kunlun Tongtai touch screen and Siemens PLC
1. Write a program in the PLC, and when a fault occurs, an alarm signal will be output. The corresponding program can be written with a series of PLCs such as S7-200 or S7-1200.
2. Configure the communication protocol between the PLC and the touch screen. Protocols such as MODBUS or OPC can be used to communicate, specifically ...
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Kunlun Tongtai touch screen - the introduction of the component classification of resistive touch screen
Four-wire touch screen
The four-wire touchscreen contains two resistive layers. One of the layers has a vertical bus on the left and right edges of the screen, and the other layer has a horizontal bus at the bottom and top of the screen, see Figure 1. In order to measure in the X-axis direction, the left side of the bus is offset to 0V, and the right side ...
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Kunlun Tongtai touch screen - six different classifications of touch screens
1. Resistive touch screen
Analog resistive screen
The analog resistive touch screen is what we usually call the "resistive screen", which is a kind of touch screen that uses pressure sensing to control.
It is made of two layers of ITO plastic film coated with conductive function, and the two ITO are equipped with microparticle supports.
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Kunlun Tongtai touch screen - precautions for the purchase of industrial touch screen
First of all, there is touch technology, which is very important. At present, there are three commonly used types of touch technology for touch screens, which are resistive touch screens, capacitive touch screens, and infrared touch screens. Capacitance and resistance can not be made of large size, infrared touch screen can be made of small size, can also be made of large ...
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Kunlun Tongtai touch screen - what are the anti-interference countermeasures of PLC and touch screen?
In order to improve the anti-interference ability of the PLC system, we should start from the design. In the anti-interference design of specific projects, products with strong anti-interference ability can be selected to improve the anti-interference of equipment and systems by suppressing interference sources, cutting off or attenuating the transmission path of electromagnetic interference, and using software means.
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Kunlun Tongtai touch screen - the characteristics of infrared touch screen
Since infrared touch technology is the trend of contacting products in the future, when will infrared technology become mainstream? At present, the touch screen technology widely used in the market is mainly resistive technology touch screen, capacitive technology touch screen, and infrared technology touch screen. If the use of resistors becomes longer, it will ...
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Three common maintenance methods to solve Kunlun Tongtai touch screen failure
1. The touch of some areas is accurate, and the touch of some areas is biased
The main reason for this phenomenon is that a large amount of dust or scale dirt has accumulated on the sound wave reflection stripes on the periphery of the surface sound wave Kunlun Tongtai touch screen, which hinders the transmission of sound wave signals. At this point, you can clean the touch ...
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Kunlun Tongtai touch screen - 10 kinds of fault phenomena and treatment methods of touch screen
One. The touch screen is not allowed
Fault phenomenon: A surface acoustic wave touch screen, touching the part of the monitor screen with your finger can not complete the corresponding operation normally.
Fault analysis and processing
This phenomenon may be the reflection of the sound wave touch screen around the screen after a period of use.
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Common problems and solutions of communication of Kunlun Tongtai MCGS touch screen (61-65)
61. 200PLC: What is the reason for the communication status jump
(1) Whether the communication delay setting is too short, and set the appropriate delay time;
(2) Whether there is interference on site, shielded wire and grounding can be used;
(3) Refer to PLC "SMW22", see PLC running program ...
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Kunlun Tongtai touch screen arrived in large quantities
Kunlun Tongtai touch screen arrives in large quantities, can be easily matched with Siemens PLC, details can be consulted
There is a stock model
TPC1061TI
TPC1071GI
TPC1561HII
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The solution to the touch failure of the industrial touch screen
1. Check the wiring port: first check whether the wiring interface is loose, and then check whether the serial port conflicts with the interrupt number. If a conflict occurs, adjust resources to avoid it. Check the surface of the industrial touch screen again for cracks, and replace it in time if so. At the same time, inspect the surface of the industrial touch screen ...
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Kunlun Tongtai touch screen - the parameters that need to be paid attention to when designing the touch screen
Accuracy: Accuracy can be defined as the maximum positioning error in a predefined touchscreen area, measured in the straight-line distance between the actual position of the finger and the measured position. When measuring accuracy, a simulated or mechanical finger is used. A finger placed on the panel ...
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