Description
1TGE120028R0010 Protective devices
1TGE120028R0010 Protective devices
Module Clips Drive controller servo moto
1TGE120028R0010 Protective devicesSuitable for steel manufacturing, thermal power generation, hydroelectric power generation, nuclear power generation, wind power generation, gas supply, and other glass manufacturing, paper mills, mechanical manufacturing, electronic manufacturing, automotive manufacturing, aviation manufacturing, chemical manufacturing, coal mining and selection, oil and natural gas mining and selection, metal mining and selection, and non-metallic mining and selection
Therefore, self-capacitive screens cannot achieve true multi-touch; interactive capacitance is also called crossing capacitance, which is
the capacitance generated through the coupling
of adjacent electrodes. When the sensed object is close to the electric field line from one electrode to another electrode, the interaction
The change in capacitance will be felt. When the horizontal electrodes send out excitation signals in sequence, all the vertical electrodes
will receive the signal at the same time. In this way, the capacitance value of the intersection of all horizontal and vertical electrodes can be
obtained, that is, the two-dimensional plane of the entire touch screen. Capacitor size. When human fingers approach, the local capacitance will decrease
. Based on the two-dimensional capacitance change data of the touch screen, the coordinates of each touch point can be calculated. Therefore,
even if there are
multiple touch points on the screen, each touch point can be calculated. the real coordinates. In both types of projected capacitive sensors , the
sensing capacitance can be designed in such a way that the touch of a finger is detected at any given time. The touch is not limited to one finger,
but can also be Multiple fingers. Since 2007, with the great success of Apple”s iPhone and iPad series products, projected capacitive screens have
begun to develop rapidly, quickly replacing resistive touch screens and becoming the mainstream touch technology in the current market.
3. Infrared touch screen
The infrared touch screen uses a dense infrared matrix in the X and Y directions to detect and locate the user”s touch. The infrared touch
screen installs a circuit board frame in front of the display . The circuit board arranges infrared transmitting tubes and infrared receiving tubes on
the four sides of the screen, corresponding to a horizontal and vertical infrared matrix. When a user touches the screen, his or her finger will block
the horizontal and vertical infrared rays passing through that location, and based on this, the location of the touch point on the screen can be determined.
Infrared touch screens have the advantages of high light transmittance, no interference from current , voltage and static electricity, and high touch stability.
However, infrared touch screens will be affected by changes
in ambient light, remote controls , high-temperature objects, incandescent lamps and other infrared sources. affect and reduce its accuracy. The
early infrared touch screen appeared in 1992, with a resolution of only 32×32. It was susceptible to malfunction due to environmental interference,
and required to be used in a certain light-shielding environment.
After 20 years of development, the current advanced infrared touch screen has a service life of more than 7 years under normal working conditions
. When tracking finger movements, the accuracy, smoothness and tracking speed can meet the requirements, and the user”s writing can be converted very
smoothly. into an image trajectory and fully supports handwriting recognition input. Infrared touch screens are mainly used in various public places, offices
and industrial control places that do not require very precise requirements without infrared and strong light interference.
Contact: Mr. Lai
Wechat:17750010683
Whats app：+86 17750010683
Skype：+86 17750010683
QQ: 3221366881
3221366881@qq.com
https://www.xmamazon.com
https://www.xmamazon.com
https://www.plcdcs.com/
www.module-plc.com/
https://www.ymgk.com
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1.Has been engaged in industrial control industry for a long time, with a large number of inventories.
2.Industry leading, price advantage, quality assurance
3.Diversified models and products, and all kinds of rare and discontinued products
4.15 days free replacement for quality problems
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BENTLY — 3500 system/proximitor, front and rear card, sensor, probe, cable 3500/20 3500/61 3500/05-01-02-00-001 3500/40M 176449-01 3500/22M 138607-01
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FOXBORO — FCP270 FCP280 FCM10EF FBM207 P0914TD CP40B FBI10E FBM02 FBM202 FBM207B P0400HE Thermal resistance input/output module, power module, communication module, cable, controller, switch
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YOKOGAWA – Servo module, control cabinet node unit
Main products:
PLC, DCS, CPU module, communication module, input/output module (AI/AO/DI/DO), power module, silicon controlled module, terminal module, PXI module, servo drive, servo motor, industrial display screen, industrial keyboard, controller, encoder, regulator, sensor, I/O board, counting board, optical fiber interface board, acquisition card, gas turbine card, FIM card and other automatic spare parts
