66. Mitsubishi PLC: How to choose the driver for programming port communication
Mitsubishi PLC programming port is 422 communication, and Mitsubishi FX series programming port is selected; The 232BD is driven by Mitsubishi FX series programming port; The 485BD is driven by Mitsubishi FX series serial port.
67. Mitsubishi PLC: Programming port parameter setting
The communication parameters should be set to: the string slogan is the same as the string slogan connected to the device, the baud rate is 9600, the data bit is 7 bits, the stop bit is 1 bit, and the verification mode is even check.
68. Omron PLC: The PLC is wired with TPC7062K
TPC PLC
69. What communication protocol does Omron PLC support?
(1) HOSTLlNK protocol
The general Omron PLC supports the HOSTLINK protocol, 0 supports IR, LR, HR, AR, TC, PV, DM register types, supports 4-bit addresses, and cannot read the register area greater than 9999 addresses.
(2) FINS protocol
The FINS protocol is a serial port driver protocol newly developed by Omron, which supports CIO, WR, DM, HR, AR, TK, TS, CS, TIM, CNT, IR, and DR register types.
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Kunlun Tongtai touch screen - the advantages and disadvantages of capacitive touch screen
advantage
1. Durability
The material used in the capacitive sensor interface solution is the same as that of the RTS, which is based on polyethylene terephthalate (PET) with an additional layer of indium tin oxide (ITO). However, capacitive sensors do not have the optical problems and durability problems of RTS, because ...
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Kunlun Tongtai TPC1262HI a common fault phenomenon of touch screen
(1) Black screen, blurred screen, white screen
(2) Caused by the aging of the LCD screen, the high voltage is low, and the lamp is aging
(3) The LCD screen has no display, and the brightness is not clear
(4) The LCD screen displays vertical bars and horizontal bars
(5) Communication connection failure
(6) Start the boot half without moving
...
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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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The configuration structure of Kunlun Tongtai McgsPro software was introduced from the overall structure
The McgsPro architecture is divided into three parts: configuration environment, simulated operation environment, and operation environment.
The configuration environment and the simulated operating environment are equivalent to a complete set of tools and software, which can be run on a PC. Users can ...
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Kunlun Tongtai touch screen 485 communication precautions
1. Variables in the real-time runtime cannot add channels and send data using functions at the same time.
2. In the universal serial port parent device, the COM port indicates whether to select 232 or 485, and in the touch COM1 indicates the 232 interface, and COM2 represents the 485 interface.
3. View the touch ...
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Kunlun Tongtai touch screen - the difference between capacitive screen and resistive screen
The difference between capacitive screen and resistive screen is different in its working principle, touch technology, use environment, cost and life, and then I will explain it to you in detail:
How it works
Capacitive touch: works by using the body's current induction. When the finger touches on the metal layer ...
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Kunlun Tongtai touch screen - the difference between touch screen, display screen and LCD screen
1. Touch screen (touchscreen), also known as "touch screen" and "touch panel", is an inductive liquid crystal display device that can receive input signals such as contacts.
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How to write the variable address of Kunlun Tongtai touch screen
The writing of the variable address of Kunlun Tongtai touch screen depends on the communication protocol and communication method used. In general, the variable address of the touch screen is communicated through the Modbus protocol, and the address can be written in the following ways:
1. For Modbus RTU communication mode, change ...
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Kunlun Tongtai touch screen - the types of touch screen and a comprehensive introduction
Infrared touch screen
The infrared touch screen selects the infrared matrix densely packed in the X and Y directions to detect and locate the user's contact, the infrared touch screen is provided with a circuit board frame on the front side of the display, and the circuit board is equipped with an infrared emitting tube and an infrared receiving tube on the four sides of the screen.
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Hardware Problems and Solutions of Kunlun Tongtai MCGS Touch Screen(81-85)
81. What are the main characteristics of 128M TPC?
(1) CE platform upgrade
Using WINCE 5.0 operating system, user operation methods and habits are the same as those of the previous CE 4.2 system;
(2) Hardware storage device upgrade
The total storage data capacity of the product has increased from the existing 6 ...
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Kunlun Tongtai touch screen - the working principle of the five-wire resistive touch screen
The five-wire resistive touch panel is composed of two layers:
(1) ITO Glass: A piece of glass or plexiglass is used as the substrate, and the surface is coated with a transparent conductive layer.
(2) ITO polyester plastic layer (ITO Film): The surface is hardened to make the surface smooth and ...
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Kunlun Tongtai touch screen - analysis of common fault phenomena of surface acoustic wave touch screen
Fault 1: Touch deviation
Phenomenon: The position of 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. Solution: Recalibrate the position.
Fault 2: Touch ...
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Kunlun Tongtai touch screen - classification and working principle of capacitive touch screen
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Capacitive touch screens are divided into two categories, one is surface capacitive touch screen, and the other is projected capacitive touch screen, and projected capacitive can also be subdivided into self-capacitive and mutual capacitive. Among them, the surface capacitive and projected self-capacitive touch screen can only achieve ...
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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
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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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Kunlun Tongtai touch screen - troubleshooting method of four-wire resistive touch screen
Inaccurate screen position: Repositioning can be done via driver software.
Touch position and screen cursor upside down: When installing the touch screen, the position of the screen is reversed, please adjust the touch screen position according to the principle of right-hand position out.
The touchscreen display icon keeps pointing towards the fixed ...
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Kunlun Tongtai touch screen - the advantages and disadvantages of capacitive touch screen
Merit:
1. Novelty in operation. The capacitive touch screen supports multi-touch, making operation more intuitive and fun.
2. It is not easy to touch by mistake. Since the capacitive touch screen needs to sense the current of the human body, only the human body can operate it, and it will not be touched with other objects.
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Kunlun Tongtai touch screen - maintenance method of resistive touch screen
1) Check whether the connection of the touch screen is right, and whether one of the wires connected to the keyboard port of the host (take the working voltage of 5 volts 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 change it.
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