Description
MC2-442-57CQB-1-1H-2 Eaton touch screen
MC2-442-57CQB-1-1H-2 Eaton touch screen
Module Clips Drive controller servo motor
Contact: Mr. Lai
Wechat:17750010683
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3221366881@qq.com
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 each other to form 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, so the location of the touch point on the screen can be determined. Any touching object can change the infrared rays on the contact points to achieve touch screen operation. In early concepts, infrared touch screens had technical limitations such as low resolution, limited touch methods, and susceptibility to environmental interference and malfunction, so they once faded out of the market. Since then, the second generation of infrared screens has partially solved the problem of anti-light interference. The third and fourth generations have also made improvements in resolution and stability, but neither has made a qualitative leap in key indicators or comprehensive performance. However, anyone who knows touch screen technology knows that infrared touch screens are not interfered by current, voltage and static electricity and are suitable for harsh environmental conditions. Infrared technology is the ultimate development trend of touch screen products. Touch screens that use acoustics and other material science technologies have their own insurmountable barriers, such as damage and aging of a single sensor, fear of contamination of the touch interface, destructive use, complicated maintenance, and other issues. As long as the infrared touch screen truly achieves high stability and high resolution, it will surely replace other technical products and become the mainstream of the touch screen market. In the past, the resolution of infrared touch screens was determined by the number of infrared tubes in the frame, so the resolution was low. The main domestic products on the market were 32×32 and 40×32. In addition, it is said that infrared screens are more sensitive to lighting environmental factors. Sometimes it may be misjudged or even crashed. These are exactly the weaknesses of infrared screens promoted by domestic agents of foreign non-infrared touch screens. The resolution of the latest technology, the fifth-generation infrared screen, depends on the number of infrared tubes, scanning frequency and difference algorithm. The resolution has reached 1000X720. As for the infrared screen being unstable under lighting conditions, the second-generation infrared touch screen has From the beginning, the weakness of resistance to light interference has been well overcome. The fifth-generation infrared touch screen is a new generation of intelligent technology products. It achieves 1000*720 high resolution, multi-level self-adjusting and self-restoring hardware adaptability and highly intelligent identification, and can operate in various harsh environments for a long time. Any use below. And extended functions can be customized for users, such as network control, sound sensing, human body proximity sensing, user software encryption protection, infrared data transmission, etc.
4. Surface acoustic wave touch screen
4.1 Surface acoustic waves
Surface acoustic wave, a type of ultrasonic wave, is a mechanical energy wave that propagates shallowly on the surface of a medium (such as rigid materials such as glass or metal). Through the wedge-shaped triangular base (strictly designed according to the wavelength of the surface wave), directional and small-angle surface acoustic wave energy emission can be achieved. Surface acoustic wave has stable performance, is easy to analyze, and has very sharp frequency characteristics in the process of transverse wave transmission. In recent years, its application has developed rapidly in the direction of non-destructive testing, imaging and de-wave devices. Theoretical research on surface acoustic waves, semiconductor materials, acoustic wave Guidance materials, detection technology and other technologies are already quite mature. The touch screen part of the surface acoustic wave touch screen can be a flat, spherical or cylindrical glass plate installed in front of a CRT, LED, LCD or plasma display screen. Vertical and horizontal ultrasonic transmitting transducers are fixed on the upper left and lower right corners of the glass screen, and two corresponding ultrasonic receiving transducers are fixed on the upper right corner. The four peripheries of the glass screen are engraved with very precisely spaced reflection stripes at 45° angles from sparse to dense.
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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
