3M MicroTouch DST2270DX Integration Manual
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3M MicroTouch DST2270DX Integration Manual

3M MicroTouch DST2270DX Integration Manual

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3M
™
MicroTouch
™
System DST2270DX
Integration Guide
Read and understand all safety information
contained in this document before using this product.
3
3M Touch Systems, Inc. Proprietary Information – TSD-25739

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Summary of Contents for 3M MicroTouch DST2270DX

  • Page 1 ™ MicroTouch ™ System DST2270DX Integration Guide Read and understand all safety information contained in this document before using this product. 3M Touch Systems, Inc. Proprietary Information – TSD-25739...
  • Page 2 3M Touch Systems, Inc. warranty, then 3M Touch Systems, Inc. sole obligation and User’s and Purchaser’s exclusive remedy, will be, at 3M Touch Systems, Inc. option, to repair or replace that Product quantity or software media or to refund its purchase price.

  • Page 3: Table Of Contents

    Mounting the Sensor to the Display ................. 27 Inspect the Mounted Sensor ..................30 Removing the Sensor ....................31 Adding Spacers to the Bezel ..................32 Reconnecting the Bezel and Chassis ................ 33 3M Touch Systems, Inc. Proprietary Information – TSD-25739...
  • Page 4 Sensor Flex Tail Connector ..................41 Modifying the Display (USB or Serial) ..............42 Turning On Your System ..................44 Status Light (LED) Diagnostics ................44 Wake on Touch (USB Only) ..................44 Installing Software ....................45 3M Touch Systems, Inc. Proprietary Information – TSD-25739...

  • Page 5: About This Manual

    3M Touch Systems is committed to being a premier supplier in touch systems throughout the world. As a 3M Touch Systems customer, you are aware that we have strong internal programs that meet or exceed environmental regulations of our customers and the regions in which we conduct business.

  • Page 6: Contact 3M Touch Systems

    5:30 p.m. until 8:00 p.m. US Eastern Standard Time – 9 a.m. to 5 p.m. throughout Europe. You can contact 3M Touch Systems Technical Support (US only -- Eastern Standard Time) by calling the hot line, sending email or a fax.

  • Page 7: Chapter 1 Getting Started

    3M™MicroTouch™ System DST2270DX Integration Guide CHAPTER 1 Getting Started The 3M™ MicroTouch™ DST2270DX system is one of the most intuitive interfaces available for large-format interactive displays. The rugged design of the DST2270DX sensor is ideal for interactive digital signage, point-of-information applications and allows for fast, accurate, reliable touch performance that is virtually unaffected by contaminants, scratches, or static objects on the screen.

  • Page 8: Important Safety Information

    Intended Use The 3M™ MicroTouch™ DST2270DX Integration Guide is intended to instruct and guide you in the integration of a DST sensor into an existing large format flat sensor display. This manual provides specific instructions for a large format display. These sensors are intended for indoor use only and are not designed for use in hazardous locations.
  • Page 9 The edge of the tape is very sharp. To reduce the risk of possible environmental contamination which may result in minor or moderate injury: • Dispose of the display in accordance with federal, state and local regulations. 3M Touch Systems, Inc. Proprietary Information – TSD-25739...

  • Page 10: Sensor Care And Cleaning

    3M™MicroTouch™ System DST2270DX Integration Guide Sensor Care and Cleaning The sensor requires very little maintenance. 3M Touch Systems recommends that you periodically clean the glass sensor surface. CAUTION To reduce the risk of the potentially hazardous situations associated with the use...

  • Page 11: Supplies And Tools Needed For The Installation

    Select a comfortable work area with adequate space and lighting. Make sure that the area is free of clutter and/or objects that could scratch the sensor and flat panel display. 3M Touch Systems recommends an area of at least 25 square feet. You need this space to handle components safely and to set major components aside during the installation.

  • Page 12: Identifying The Components

    Molex 3-pin power connector crimp housing (22-01-3037) and three terminals (08-50-0114) • Software and documentation found on the 3M Touch Systems website at http://www.3Mtouch.com/. Note: The DST sensor works exclusively with a mated DX123 controller for optimal performance. Be sure to match the serial number on the sensor with the serial number on the controller throughout the integration process.

  • Page 13: Testing The Display Video

    If the display is functioning properly, turn off your system, disconnect power plugs, and disconnect all cables from the display. You are ready to disassemble the display and install the sensor. 3M Touch Systems, Inc. Proprietary Information – TSD-25739...
  • Page 14 3M™MicroTouch™ System DST2270DX Integration Guide CHAPTER 2 Sensor Design Considerations You can install a 3M™ MicroTouch™ DST2270DX sensor on most large displays. Although each particular display may have some unique integration considerations, the basic installation process consists of the following steps: •...

  • Page 15: Chapter 2 Sensor Design Considerations

    The sensor flex tail is not a handle. Never pick your sensor up by the flex tail. It is an electrical connection and is not designed for high stress. 3M Touch Systems, Inc. Proprietary Information – TSD-25739...
  • Page 16 4508 for the full-perimeter bezel sealing gasket. This product has been tested and qualified for this application. 3M 4508 is a durable, flexible closed cell vinyl tape that can help seal out dust, light and moisture when placed under 30% compression. This vinyl tape offers excellent aging characteristics and will remain flexible when exposed to elevated temperatures and UV light.
  • Page 17 Note: For ease of maintenance, put a border of polyimide tape around the perimeter of the LCD. Then adhere the 3M VHB mounting tape to the polyimide tape. The polyimide tape will enable you to easily remove the VHB tape if the need arises.

  • Page 18: Grounding Considerations

    The edge of the tape is very sharp. For additional EMI shielding, 3M Touch Systems has applied a conductive adhesive copper tape to three sides of the sensor. This 1/2 inch wide tape is available from 3M as part number 2800221, cross-reference Chomerics part number CCH-36-101-0050. On narrow border sensors, the tape is 13/32 inch wide (p/n 36232).

  • Page 19: Touch System Location

    Be sure to ground the front of the sensor to the chassis with additional strips of copper tape as shown below. 3M Touch Systems recommends at least 2 grounding strips to a side (6 in total) to provide redundant links. Do not put copper tape all around the edges of the sensor.
  • Page 20 Turn off the cursor. Users may inadvertently try to drag the cursor to the correct location on the sensor, emulating moving a mouse, instead of touching the button directly. • Design your applications to work with a single touch to activate rather than a double- touch. 3M Touch Systems, Inc. Proprietary Information – TSD-25739...

  • Page 21: Installing A 3M

    Note: Given the variety of factors that can affect the use and performance of any product, some of which are uniquely within the user’s knowledge and control, it is essential that the user evaluate the 3M product to determine whether it is suitable for a particular purpose and suitable for the user’s intended application.
  • Page 22 Make sure to wear an ESD strap to prevent electrostatic discharge to electrical components on the sensor. Use ESD foam blocks to support the sensor when laying it down on the active component side. 3M Touch Systems, Inc. Proprietary Information – TSD-25739...

  • Page 23: Installation Considerations

    • When reassembling the sensor and bezel, do not over-tighten any one corner. Do not over compress the sealing gaskets. 3M recommends 30% compression. Pressure should be evenly distributed across the sensor. • Make sure there are no obstructions in contact with the sensor; check ribs, fins, and standoffs.

  • Page 24: Disassembling The Display

    Dispose of the display in accordance with federal, state and local regulations. To reduce the risk of lacerations from glass breakage which could result in minor or moderate injury: • Do not use display if sensor is damaged or broken 3M Touch Systems, Inc. Proprietary Information – TSD-25739...

  • Page 25: Fitting The Sensor

    Fitting the Sensor The sealing gasket 3M 4508 (0.125 inches (3.2 mm)) and mounting tape 3M 5925 (0.025 inches (0.64 mm)) and 3M 5962 (0.062 inches (1.55 mm)) add approximately 0.212 inch (5.39 mm) and the sensor adds approximately 0.086 inches (2.2 mm) to the thickness of...
  • Page 26 If necessary, trim the ribs and fins on the bezel that are in direct contact with the sensor or the sensor flex tail. INCORRECT The touch sensor contacts the bezel rib CORRECT The modified bezel rib does not contact the touch sensor 3M Touch Systems, Inc. Proprietary Information – TSD-25739...

  • Page 27: Mounting The Sensor To The Display

    Failure to mount the sensor in this fashion may result in reduced functionality. Note: If for any reason you need to replace these mounting tapes, you must use 3M brand VHB 5962 and VHB 5925 tapes. These tapes are an integral part of the DST system and were chosen for their mechanical and thermal properties and will ensure optimal performance.
  • Page 28 Apply the cleaner with a soft, lint-free cloth. Avoid using gritty cloths. Attaching the Sensor to the Display Once you feel comfortable with the alignment and positioning of the sensor, you are ready to permanently attach the sensor to the LCD. 3M Touch Systems, Inc. Proprietary Information – TSD-25739...
  • Page 29 5. Holding the sensor firmly in place, slowly pull out the remainder of the release liner. Repeat this with all four sides. Gently Pull Out 6. Press firmly down around the perimeter of the sensor to ensure that it is fully attached to the display 3M Touch Systems, Inc. Proprietary Information – TSD-25739...

  • Page 30: Inspect The Mounted Sensor

    If any part of the inspection fails, you must remove and remount the sensor. Once you are satisfied with the alignment, you may cover the corners lightly (no pressure) with cloth tape to keep out dust and dirt. 3M Touch Systems, Inc. Proprietary Information – TSD-25739...

  • Page 31: Removing The Sensor

    1. Place the bezel face down on an anti-static pad. 2. Cut strips of the closed cell, compressible foam sealing gasket tape (3M 4508) to fit the inside edges of the bezel opening to form a full perimeter seal. To ensure tight fitting sealing joints, the gasket tape should be cut using a razor knife or single-edge razor blade.

  • Page 32: Adding Spacers To The Bezel

    The sealing gasket 3M 4508 (0.125 inches (3.2 mm)) and mounting tape 3M 5925 (0.025 inches (0.64 mm)) and 3M 5962 (0.062 inches (1.55 mm)) add approximately 0.212 inch (5.39 mm) and the sensor adds approximately 0.086 inches (2.2 mm) to the thickness of...

  • Page 33: Reconnecting The Bezel And Chassis

    2. Lay the sensor flex tail along the outside area of the chassis. Avoid contact with internal electronics that can affect the sensor performance. Do not route the sensor flex tail near the backlight inverter or power supply of the LCD. 3M Touch Systems, Inc. Proprietary Information – TSD-25739...

  • Page 34: Chapter 4 Installing The Controller

    3M™MicroTouch™ System DST2270DX Integration Guide CHAPTER 4 Installing the Controller This chapter describes how to install the controller for use with 3M™ MicroTouch™ DST sensor. For complete information, refer to the DX123 Controller Reference Guide (P/N TSD-33532). Note: The DST sensor works exclusively with a mated DX123 controller for optimal performance.

  • Page 35: Mounting The Controller

    The DX123 has an 8-pin sensor connector (J101), a 5-pin USB connector (J103), an 8-pin serial connector (J104), and a 3-pin power connector (J107) for input power. 3M Touch Systems, Inc. Proprietary Information – TSD-25739...
  • Page 36 The connector must be compatible with the connector manufacturer, i.e., Amp should connect to Amp. Be sure to use tin compatible contact pins. 3M Touch Systems, Inc. Proprietary Information – TSD-25739...

  • Page 37: Emi Considerations

    USB and serial cables, the controller will default to USB mode only. USB Connection In USB mode, the controller uses a 3M Touch Systems USB communication cable (P/N 7319420) PC 99 compatible or equivalent interconnect. One end of this cable plugs into the USB connector (J103) on the DX123 controller.

  • Page 38: Supplying Power To The Controller

    3M™MicroTouch™ System DST2270DX Integration Guide Serial Connection For serial mode, the DX123 controller uses and 3M Touch Systems RS-232 plug and play cable (P/N 7319630) or an equivalent interconnect. One end of this cable plugs into the RS-232 connector (J104) on the DX123 controller.

  • Page 39: Locating Power For The Controller

    In order to mount the controller board to the housing, two mounting holes must be drilled. The mounting holes are dimensioned in the controller layout drawing below. 3M Touch Systems, Inc. Proprietary Information – TSD-25739...
  • Page 40 These spacers will prevent the pins and/or traces on board from shorting to the chassis. Make sure the spacer diameter is less than the screw head diameter. Adding Spacers to the Controller Mounting 3M Touch Systems, Inc. Proprietary Information – TSD-25739...

  • Page 41: Sensor Flex Tail Connector

    Usually it is necessary to make a hole in the shield and the housing so that the sensor flex tail can be routed through, however some models may have an existing opening that can be used. 3M Touch Systems, Inc. Proprietary Information – TSD-25739...

  • Page 42: Modifying The Display (Usb Or Serial)

    2. Use a center punch to place a dimple at the selected location. 3. Drill a hole using a 3/4-inch spade bit as shown below. Be sure to keep metal filings away from the electronic PCBs. 3M Touch Systems, Inc. Proprietary Information – TSD-25739...
  • Page 43 Reassembling the Display and Cover Once you drill the holes in the display cover for the sensor flex tail and controller, you are ready to reassemble the display. 3M Touch Systems, Inc. Proprietary Information – TSD-25739...

  • Page 44: Turning On Your System

    If the controller is powered from a source inside the system that will not be shut down by power management, the DX123 controller will wake up the system from standby mode when touched. 3M Touch Systems, Inc. Proprietary Information – TSD-25739...

  • Page 45: Installing Software

    When using the DX123 controller in USB mode, the controller is HID compliant and can be used without a driver on most Microsoft® Windows® operating systems. However, you must obtain the HID calibration utility from the 3M Touch Systems website to ensure proper operation.

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