Description
PFXA401SF 3BSE024388R4 Protective devices
PFXA401SF 3BSE024388R4 Protective devices
Module Clips Drive controller servo moto
PFXA401SF 3BSE024388R4 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
Four-wire resistive screen
The four-wire resistive screen is covered with two layers of transparent conductive layer ITO (ITO: indium oxide, weak conductor) between
the surface protective coating and the base layer. The characteristic is that when the thickness drops below 1800 angstroms (angstroms = 10-10 meters)
It will suddenly become transparent, and the light transmittance will decrease when it gets thinner. When the thickness reaches
300 angstroms, the light transmittance will increase again. It is the main material of all resistive screens and capacitive screens.), the two layers
correspond to the X and Y axes respectively. They are They are insulated with fine transparent insulating particles. When touched, the pressure generated connects
the two conductive layers. Due to the change in resistance value, the X and Y coordinates of the touch are obtained.
Five-wire resistive screen
The base layer of the five-wire resistive screen is covered with a transparent conductive layer ITO that adds voltage fields in the X and Y
directions to the same layer. The outermost nickel-gold conductive layer (nickel-gold conductive layer: the outer conductive layer of the five-wire
resistive touch screen The outer conductive layer uses a nickel-gold coating material with good ductility. Due to frequent touching, the purpose of
using a nickel-gold material with good ductility is to extend the service life.) It is only used as a pure conductor. When touching, use a The position
of the touch point is measured by detecting the X-axis and Y-axis voltage values of the contact point. The inner layer ITO requires four leads and the
outer layer one, for a total of 5 leads.
capacitive screen
The surface of the capacitive screen is coated with a transparent conductive layer of ITO, and the voltage is connected to the four corners. Tiny DC
current dissipates on the screen surface, forming a uniform electric field. When the screen is touched by hand, the human body acts as one pole of
the coupling capacitor, and the current collects from the four corners of the screen to form another coupling capacitor. On one pole, the controller
calculates the relative distance from the current to the touch location to obtain the coordinates of the touch.
Infrared 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.
Contact: Mr. Lai
Wechat:17750010683
Whats app：+86 17750010683
Skype：+86 17750010683
QQ: 3221366881
3221366881@qq.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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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
