Question 1

Accepted Answer

This section shows how to replace the backlight for the 700, 1000,1250, and 1500 terminals. The 1250 high-bright terminals do not havea replaceable backlight.IMPORTANT Disposal: The backlights for these products contain mercury.Dispose of per applicable laws.Follow these steps to replace the backlight.1. Disconnect power from the terminal.2. Remove the display module bezel.IMPORTANT The 700 series C display is not secured by screws and is onlyretained by a bracket. Use care not to drop the display once thebezel is removed.3. Remove the four screws that secure the display bracket for the 700 series C display.4. Remove the four screws that secure the LCD display for all other displays.5. Lift the LCD display and detach the display connector from thecircuit board.The circuit board layout may vary for each terminal model.The location of the connector varies by model.6. Detach the backlight connectors from the circuit board.The 1250 has one or two backlight connectors depending on theseries of the display. The 1500 has four backlight connectors.7. Follow these steps for the PanelView Plus 700 and 1000displays.a. Press the retaining tab that secures the backlight and then pullout the backlight.b. Insert the new backlight.8. Follow these steps for the PanelView Plus 1250 and 1500displays.a. Remove the screws that secure the backlights and remove thebacklights.– The two backlights for the 1250 series A and B displays areeach secured with two screws. The single backlight for the1250 series C displays is secured with one screw.– For the 1500 series B displays, remove the tape and thenremove the backlights.b. Insert the new backlights and then secure each with the samescrews from the previous step and torque to0.117 Nm (1.04 lb•in).9. Attach the LCD display connector to the circuit board.Refer to step 5.10. Attach the backlight connector to the circuit board.Refer to step 6.11. Secure the LCD display.a. Attach the display bracket then secure the display in thebracket for the 700 series C display.b. Attach the four screws for all othe displays.Tighten the screws and torque to 0.58 Nm (5…7 lb•in).12. Replace the display module bezel.

Question 2

Accepted Answer

This section shows how to replace the display module on Allen Bradly PanelView Plus 700 to 1500terminals. It is necessary to remove the communication module from the logic module to perform this operation.Follow these steps to replace the display module.1. Disconnect power from the terminal.2. Remove the terminal from the panel.3. Detach the communication module, if attached, from the logicmodule by removing the four screws.4. Loosen the six captive screws that attach the logic module to thedisplay module.5. Carefully lift the logic module from the terminal.6. Set the display module aside.7. Position the new logic module over the new display module sothat the connectors align.8. Push down on the logic module until firmly seated9. Tighten the six captive screws that secure the logic module tothe display module to a torque of 0.58 Nm ( 5…7 lb•in).10. Attach the communication module (if necessary) and tighten thefour screws to a torque of 0.58 Nm (5…7 lb•in).

Question 3

Accepted Answer

How does touch screen work ?Touch screens are becoming more popular because they make the user interface more exciting and intuitive for people new to modern tech gadgetry. Touchscreen technology was first developed for specialized research products in the 1970s, but now they are found in everyday devices, including Automation, Medical, Computer screens, Cell phones, Poing of Sale, GPS and ect.. But have you ever stopped to think about how such devices recognize your finger, pen or stylus remains ? We've got some answers.Currently, There are four basic systems used in touchscreens to recognize your touch include:ResistiveCapacitiveInfraredSurface Acoustic WaveHow does the resistive touch screen work?When you press your finger on a resistive screen, the top, flexible layer touches the bottom one, and the interruption in the electrical current is noted by the device, and it calculates the precise location of the point of contact. Depending on what button is located under your finger, the software registers the coordinates and performs the command. they respond to pressure, you can activate them with bare fingers, gloves, or styluses (remember the PalmPilot?), but you can't swipe or use multi-touch gestures, because the electric current encased within can only successfully register one point of contact at a time. How does the Capacitive touchscreen work?iPhones, iPads, Samsung Galaxy smartphones, and Amazon’s Kindle Fire, to name a few, use the “capacitive” method. These electronic devices monitor changes in electrical currents running through the screens. The touchscreens include a layer of capacitive, or electricity-storing, material. The capacitors in the screen are arranged according to a coordinate system, creating a grid. The circuitry inside the screen can then sense changes in electrical charge at each point along the grid. As a result, every individual point on the grid generates its own signal when touched, which is then relayed back to the device’s processor, allowing the device to recognize multiple points of contact.How does the Infrared Touchscreen Technology work?In the Infrared Touchscreen Technology, an array of X- and Y- axes are fitted with pairs of IR Leds and photo detectors. The photo detectors detect any change in the pattern of light emitted by the Leds whenever the user touches the monitor/screen.How does the Surface Acoustic Wave technology work?The Surface Acoustic Wave Touchscreen technology contains two transducers (transmitting and receiving) placed along the X-axis and Y-axis of the monitor’s glass plate along with some reflectors. The waves propagate across the glass and are reflected back to the sensors. When the screen is touched, the waves are absorbed and a touch is detected at that point. These reflectors reflect all electrical signals sent from one transducer to another. This technology provides excellent throughput and image clarity. Where can I buy the best touch screen? Guangzhou Vicpas Touch Technology Co., Ltd. is a renowned and professional Touch screen, Touch Panel, Keyboard membrane and Accessories manufacturer in a global spectrum. After more than 10 years of accumulated experience and continuous improvement of quality control, at the same time a reliable strategic partner and supplier of worldwide top companies.Vicpas also provide Touch Screen, Membrane Keypad for Siemens, Allen Bradley, B&R, KUKA, Beijer, ABB, Proface, Omron, Schneider, Mitsubishi, ELO, 3M Microtouch, Gunze, AMT, DMC and many other automation HMI panel replacement. Vicpas’s concept is to provide superior ratio of price and quality products for our partners and customers to strengthen their competence in their local markets. Vicpas Touch will be one of your best strategic business partners in Faucet industry in China.

Question 4

Accepted Answer

How to clean a touch screen / touch panel ?Method1Cleaning with a Microfiber Cloth1Choose a microfiber cloth. This is ideal for cleaning a touchscreen. Some devices will have such a cloth included or perhaps you can borrow one you use on your sunglasses.The cost of such cloth varies. For cloth recommended by companies for their products, the price can be considerably higher simply because of the recommendation. Look around for a good deal on such cloth or substitute with a cheaper but still effective microfiber cloth.2Turn off the device before commencing to clean it. It is usually much easier to see where to clean when the device is switched off.3Give the screen a once over by brushing it with the microfiber in small circles.This will remove the majority of simple imperfections.4Only if truly needed, moisten a cotton cloth, even the corner of your cotton shirt, and repeat the small circular motions. It may actually be enough to just breathe over the screen and use that moisture to clean with.Read the instructions accompanying the cloth you're using. Some of them need to be made slightly damp before use. If this is the case, skip this step and follow the cloth's instructions instead.If dampening a cloth, it is best to use distilled water or a cleaner specifically designed for cleaning touch screens.5Brush again with the microfiber cloth to finish off. Don't over-rub though! And if there is any dampness left, just leave it to air dry.Do not put too much pressure on the screen when cleaning it.6Wash the microfiber cloth. To wash the microfiber cloth, soak it in warm, soapy water. The warm water serves to open the fibers and release the grime that may have gathered. Scrub the cloth lightly while soaking it (not too hard or you will damage the cloth). After soaking, avoid squeezing out any excess water, let the cloth out to air dry. If you're in a hurry, you may want to blow dry it. Do not wash any screens with the cloth until dry (or lightly damp) to the touch.Method2Disinfection with Alcohol GelThis method is good because the sanitizer kills all the germs. Please use this method sparingly! 1Get some alcohol gel. It is also known as hand sanitizer.2Take a clean paper towel.3Squeeze a little gel into the paper towel.4Wipe down the screen.5Use a clean microfiber cloth to remove smudges - but there shouldn't be any!TipsIf you do not have a microfiber cloth and the cleaning can't wait, a cotton cloth or corner of a shirt will do in a pinch.Make sure your device is off before you start cleaning the screen.If possible get a case for your device to prevent bumping, scratching and prints from happening.It is possible to purchase screen cleaning kits. Often these will include anti-static wipes. However, this may be an added expense that isn't worth the price; do some research first.If you want to further protect you device you can buy a scratch guard, also known as a screen guard. It is a layer of film that protects the screen from the scratches that occur from everyday use.Keep the touchscreen cleaning cloth in good, clean condition. Wash regularly to remove buildup of grime from the screen.Isopropyl alcohol is best for cleaning screens, either HMI computers or mobile phones.Leaves no trace or marks. This can be bought from any chemist. Do not use paper towels or toilet paper or anything paper-based on your screen! It can get scratched up badly if you do! Also, don't use alcohol-based stuff, because it can damage your HMI computer/tablet.WarningsNever use the spit and rub cleaning method. It will only create grime on your screen that you will have to clean later.Don't press too hard on the screen when cleaning or you might damage the display.Never use anything containing ammonia to clean the touchscreen with unless the manufacturer has specifically stated a product. Ammonia can damage the screen.Avoid using anything that is abrasive when cleaning a touchscreen.Never use paper towels or tissue paper. They contain wood fibers that will scratch any plastic surface. You may not see the scratches the first time, but over time your screen will look like you used very fine steel wool to clean it which will leaving it looking dull and somewhat fuzzy.Avoid spraying liquid or water direct on the screen; there is a risk of liquid leaking into the device and damaging it. Instead, always spray the liquid onto the microfiber, squeeze to remove any excess liquid, and then wipe.More FAQHow to install touchscreen touch panel?How to replace a keypad to robot teach Pendant Control Panel? Frequently Asked Questions about Resistive Single Touch Screen Type.More NEWSNorth America! Tesla motos select Vicpas Touchscreen and membrane keypad for repair replacement.Congratulation! Vicpas now the Paypal Golden Key Supplier!Hong Kong Electrical and Mechanical Services Department selected Vicpas Touch Screen Panel for Repair.

Question 5

Accepted Answer

How does a resistive single touch screen detect touched points?1. Detection Mechanism of 4wire resistive touch screenAs described above, a touch input will be made when the two transparent conductive layers contact. One of the two conductive layers constructs the X-coordinate circuit while the other layer constructs the Y-coordinate circuit. As indicated below, the X-electrodes form the top layer while the Y-electrodes form the bottom layer.   (1) X(+) will be Vcc(5V) while X(-) will be Ground(0V).(2) Voltage is applied between the X(+) and X(-) electrodes.(3) When the touch screen is touched (pressed), the voltage of the X-coordinate on the top layer will be detected at the Y- electrode (A_in) on the bottom layer.Example: If the point A is pressed, an X-coordinate voltage of 2.5V will be detected at A_in on the bottom layer.Another example: If the point B is pressed, an X-coordinate voltage of 4V will be detected at A_in on the bottom layer.(4) The detected voltage will be converted into digital data (A/D conversion), and the coordinate position of the X-direction will be recognized.(5) When Voltage is applied between the electrodes Y(+) and Y(-). The touched point of the Y-direction will be recognized in the same manner as the X-direction; the voltage of Y-coordinate will be detected on the top layer.(6) The detection processes of the X & Y-coordinates as described above is repeated alternately in order to detect the input point.2. Detection Mechanism of 5wire resistive touch screen As described above, a touch input would be made when the two transparent conductive layers contact. One of the two conductive layers constructs the X and Y coordinate circuit while the other layer constructs the detection circuit. As in the below figure, the electrodes A to D are formed on the corners of the bottom layer while the top layer works as detection circuit. X-coordinate DetectionAs indicated in the figure below, the voltage applied between the electrodes A and B is Vcc (5V) while between the electrodes C and D is Ground (0V). As the touch screen is touched, the top and bottom layer will contact, then the voltage of the X-coordinate circuit at the touched point will be detected at the detection circuit A_in.Example: If the top and bottom layers contact at the point "A", an X-coordinate voltage of 2.5V will be detected at A_in on the top layer. Another example: If the top and bottom layers contact at the point "B", an X-coordinate voltage of 4V will be detected at A_in on the top layer. The detected voltage will be converted into digital data (A/D conversion), then the coordinate point of the X-direction will be detected.    Y-coordinate DetectionAs indicated in the figure below, the voltage applied between the electrodes B and C is Vcc (5V) while between the electrodes A and D is Ground (0V). Just like the X-coordinate detection, voltage of the Y-direction will be detected at A_in on the top layer.Example: If the top and bottom layers contact at the point "A", an Y-coordinate voltage of 2.5V will be detected at A_in on the top layer. Another example: If the top and bottom layers contact at the point "B", an Y-coordinate voltage of 4V will be detected at A_in on the top layer. The detected voltage will be converted into digital data (A/D conversion), then the coordinate point of the Y-direction will be detected.     What is the structure of a resistive single touch screen?  4wire and 5wire resistive touch screen is a two-layer structure, two materials (film or glass) with ITO are attached with a gap between them so that the ITO layers are facing each other. Touch input will be made as the top layer is pressed down and the two ITO layers contact. There are insulators called spacing dots between the top and bottom ITO layers. These spacing dots prevent unintended contacts (inputs) of the ITO layers when not pressed.  Can I use a resistive single touch screen with mitten?Of course, a resistive single touch screen can be used with mitten.  How long is the operation life of a resistive single touch screen? 12 million touches are guaranteed for a 4 wire touch screen.37 million touches are guaranteed for a 5 wire touch screen.  Does a resistive single touch screen recognize multiple touched points simultaneously? Resistive Multi touch screen Type supprots dual touch.Resistive single touch screen type such as 4wire and 5wire supports single-touch only. If two points are touched, the middle point will be detected.  If I need a resistive single touch screen whose specifications are tailored to my needs. We can provide a resistive single touch screen customized to your requested specifications.Please contact us for more details.  More FAQ :1. How to install touchscreen touch panel ?2. How to replace membrane keyboard switch keypad?3. FAQ for touch screen .4. FAQ for Membrane Keypad Switch.Related Products :1. Touch Screen Products:       Table 1for Siemensfor AB Allen-Bradleyfor B&R PowerPanelfor Schneiderfor KUKAfor Profacefor ABBfor Beijerfor Omronfor Mistubishifor Beckhofffor Advantechfor Eatonfor Red Lionfor VIPAfor Panasonicfor IDECfor Parkerfor Lenzefor ESAfor PMUfor Keyencefor Dynaprofor  KOYOfor Mettler Toledofor EZ automationfor Fujifor Hakkofor Parkerfor Heidenbainfor Homeywellfor UniOpfor Weintekfor KEBAfor Other       Table 2for Siemens for ELOfor 3M Microtouchfor  AMTfor DMCfor Danielsonfor Fujistufor Liyitechfor Higgstecfor Gtouchfor Abontouchfor KDTouchfor EELYfor Hantouchfor Inotouchfor Versatouchfor GE FANUSfor Kienzle Systemsfor TouchTronicfor VersaTouchfor Panjitfor TTIfor Other  2. Membrane Keypad Switch Products:   Table 1for siemens   for AB Allen-Bradleyfor B&R Powerpanelfor KUKAfor Beijerfor Schneiderfor  Beckhoffor ESAfor LAUERfor Profacefor Omronfor Other 3. Vicpas Display Screen Monitor4. Vicpas Accessory for Touch Screen RepairMore NEWS :1. Product news2. Company news3. Tesla motos select Vicpas Touchscreen and membrane keypad for repair replacement4. Congratulation! Vicpas now the Paypal Golden Key Supplier!Guangzhou VICPAS Touch Technology CO.,LTDGuangzhou City, Guangdong Province, P.R.ChinaTel : +86-158-7652-5394Fax : 0086-020-38837509Website : www.vicpas.comEmail : Jack@vicpas.com     sales@vicpas.comFollow us on Social Media to get the latest update and promotion information!

Question 6

When your touch screen is broken, do you know how to replace it properly?  Today, I would like to share some experience on how to replace your touch screen.

Accepted Answer

Six steps to quickly replace broken HMI touch screenWhen your HMI touch screen is broken, do you know how to replace it properly? The video share some experience on how to replace your broken HMI touchscreen.First step: Remove the back cover and and then, remove the motherboard screws.Step 2: Remove the front cover casing and blow the overlay with the hot air of the hair dryerStep 3: Remove the film and take out the broken screenStep 4: Apply double-sided tape to the touch screen frame and put a new touch screenStep 5: Install the motherboard and the LCD screen,Don't forget to test whether the touch screen can be used normally.Step 6: After the test is successful, attach a protective film, here, the replacement of the touch screen is completed.Another touchscreen replacement tutorialHow to install touchscreen touch panel membrane.Precautions and instructions to install The Vicpas touch screen panel that our company sold will take 12 months' Warranty base on non human damage. In order to keep our both benefit, please kindly follow below operating instructions. Before install, please connect the panel to the machine and get through electricity to check it workable or not, Notice: do not take off Double-sided adhesive or protect film in the both sides of the panel when you testing the function, although we had testes and made sure it is working well before delivery.If workable, put your broken machine and panel in a large and clean desk, first of all, remove the front foil cove in the front of the panel, then remove the broken panel from the machine and clean the glue and dust of the install place, make sure the new panel can be installed in a good way. Be careful when you removing, the broken panel is very dangerous to hurt your fingers or somewhere, the most convenient way is damaged the broken panel to little piece then remove slowly and carefully.4. Everything is ready, take off the Double-sided adhesive we provide around the plastic cove of front, then remove the transparent protected film in the back side of the panel, stick it to the plastic cover which full with Double-sided adhesive little by little, please pay more attention in the connector of the panel when you installed, this is the very important thing, If this process in wrong operating, the function of the panel would be damage, even un-work any more, and this not in grantee of us, therefore it must be most carefully.5. After install the panel with the plastic, then connect the connector of the panel to the main-board of the machine to test, if everything goes well, them install the new front foil cover to the plastic to protect the panel when being touched or operated.Don’t worry, there is no so difficult to install, do remember patient and careful is enough. We believe you could solve everything and do a perfect job.If there has any question, please don’t hesitate to let Vicpas Touch know, we’ll try our best to help you as soon as possible.

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