Description
XVH-340-57MPI-1-13 Eaton touch screen
XVH-340-57MPI-1-13 Eaton touch screen
Module Clips Drive controller servo motor
Contact: Mr. Lai
Wechat:17750010683
Whats app：+86 17750010683
Skype：+86 17750010683
QQ: 3221366881
3221366881@qq.com
2. Surface acoustic wave touch screen
The working principle of the surface acoustic wave touch screen is mainly based on the principle of mechanical waves propagating on the surface of a certain medium. This type of touch screen emits sound waves through sound wave generators attached to the three corners of the screen surface, and receives them through sound wave receivers. The sound wave is then responsible for transmitting signals to the touch screen through the sound wave reflector. The sound wave generator can send a high-frequency sound wave across the screen surface. When the finger touches the screen, the sound wave on the contact point is blocked, and the received signal is converted into coordinates. value, thereby determining the coordinate position of the specific touch point. The controller can measure the size of the touch screen pressure by absorbing the sound wave energy, and at the same time returns a coordinate value that reflects the size of the touch pressure. On the surface of the surface acoustic wave touch screen, sound wave emitters and sound wave receivers in the X and Y directions are pasted, and 45-degree stripes reflecting sound waves are engraved around the glass screen. The controller generates a 5.53MHZ signal and transmits it to the transmitting transducer through the cable. The piezoelectric transmitting transducer converts it into ultrasonic energy and sends it out. After two reflections from the reflection stripes, it propagates to the receiving transducer and is converted into an electrical signal and transmitted to the controller. Since the surface acoustic wave touch screen is composed of a touch screen, a sound wave generator, a reflector and a sound wave receiver, especially the sound wave sensor is not affected by environmental factors such as temperature and humidity, and has extremely high resolution, excellent scratch resistance and long life; It has high light transmittance and can maintain clear and translucent image quality; there is no drift and only needs one correction during installation; it has a third-axis (i.e., pressure axis) response, which is most suitable for use in public places.
3. Capacitive touch screen
The capacitive touch screen is a transparent special metal conductive substance affixed to the glass surface. This inductive touch screen consists of five layers. The first layer is the bottom layer of glass, the second layer is the conductive layer, the third layer is the glass sensing layer, the fourth layer is the anti-reflective matte or glossy surface layer, and the fifth layer is the anti-noise protective layer. When a finger touches the surface of the capacitive touch screen, the induction method is that the voltage is connected to the four corners of the glass layer. The voltage is spread across the glass layer through the electrodes and a constant voltage electric field is established. At the same time, the capacitance of the contact will change. The frequency of the oscillator connected to it changes. By measuring the frequency change, the touch position can be determined to obtain information. Because the capacitance changes with temperature, humidity or grounding conditions, its stability is poor and drift often occurs. In addition, when the surface layer is touched, the current flows from the four corners of the glass layer, and the controller calculates the distance from where the current travels to the finger position, thereby determining the exact location of the touch.
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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
ABB — AC 800M controller, Bailey, PM866 controller, IGCT silicon controlled 5SHY 3BHB01 3BHE00 3HNA00 DSQC series
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
Emerson — modbus card, power panel, controller, power supply, base, power module, switch 1C31,5X00, CE400, A6500-UM, SE3008,1B300,1X00,
EPRO — PR6423 PR6424 PR6425 PR6426 PR9376 PR9268 Data acquisition module, probe, speed sensor, vibration sensor
FOXBORO — FCP270 FCP280 FCM10EF FBM207 P0914TD CP40B FBI10E FBM02 FBM202 FBM207B P0400HE Thermal resistance input/output module, power module, communication module, cable, controller, switch
GE —- IS200/215/220/230/420 DS200/215 IC693/695/697/698 VMICPCI VMIVME 369-HI-R-M-0-0-E 469 module, air switch, I/O module, display, CPU module, power module, converter, CPU board, Ethernet module, integrated protection device, power module, gas turbine card
HIMA — F3 AIO 8/4 01 F3231 F8627X Z7116 F8621A 984862160 F3236 F6217 F7553 DI module, processor module, AI card, pulse encoder
Honeywell — Secure digital output card, program module, analog input card, CPU module, FIM card
MOOG — D136-001-007 Servo valve, controller, module
NI — SCXI-1100 PCI – PXIE – PCIE – SBRIO – CFP-AO-210 USB-6525 Information Acquisition Card, PXI Module, Card
Westinghouse — RTD thermal resistance input module, AI/AO/DI/DO module, power module, control module, base module
Woodward — 9907-164 5466-258 8200-1300 9907-149 9907-838 EASYGEN-3500-5/P2 8440-2145 Regulator, module, controller, governor
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
