Elo Elo IntelliTouch - Manual

vii IntelliTouch Touchscreen . . . . . . . . . . . . 1-2IntelliTouch controller . . . . . . . . . . . . . . 1-3Bezel design . . . . . . . . . . . . . . . . . . 2-7Bezel edge . . . . . . . . . . . . . . . . . . 2-8Typical IntelliTouch Touchscreen Installation . 2-10Proper placement of adhesive tape t...

ix Serial port controller signals . . . . . . . . . A-54Pinouts for IC1 Cable and header . . . . . . A-57The IntelliTouch Serial Controller (2500S) bit position relating to each byte. . . . . . . A-59 USB connector pin numbers and signal names . . . . . . . . . . . . . . . . . . B-66 IntelliTouch to...

1-1 C H A P T E R 1 C HAPTER 1 I NTELLI T OUCH T ECHNOLOGY Introduction The IntelliTouch system has three main components: a clear solid glass screen formed to match the shape of a display, a sophisticated electronic controller, and a software driver. The IntelliTouch touchscreen is based on patente...

1-2 I n t e l l i T o u c h / S e c u r e T o u c h G u i d e The IntelliTouch Touchscreen The IntelliTouch surface wave technology touchscreen consists of a glass panel molded to the shape of a display's face. Each axis of the touchscreen panel has a transmitting and receiving piezoelectric transdu...

1-3 The IntelliTouch Controller The IntelliTouch controller provides the drive signal for the touchscreen, converts the received analog signals into digital touch coordinates, and sends these coordinates to the computer. The controller detects touches by comparing received signals to a reference wav...

1-4 I n t e l l i T o u c h / S e c u r e T o u c h G u i d e Driver Software Elo driver software provides a consistent software interface among all Elo touchscreens and controllers. The driver software scales the absolute coordinates received from the touchscreen controller into translated screen c...

2-5 C H A P T E R 2 C HAPTER 2 C OMPONENT I NSTALLATION This chapter outlines the procedures for installing touchscreen components that will convert your monitor into a touchmonitor. Details are given on mounting the touchscreen, controller, and connecting cables. Safety Information WARNING The touc...

2-6 I n t e l l i T o u c h / S e c u r e T o u c h G u i d e Protective Clothing Wear safety glasses, gloves, a rubber apron, and heavy protective clothing for any portion of this procedure that involves handling or working near the CRT. Getting Started There are two types of display technologies, ...

2-7 • To prevent touchscreen breakage, there should be a compliant gasket between the back of the touchscreen and the front of the display to allow for variation in the surfaces when assembling. A gap is also required between the touchscreen and the face of an LCD display to prevent damage to the di...

2-8 I n t e l l i T o u c h / S e c u r e T o u c h G u i d e Figure 2.2 Bezel edge It may be necessary to cut ribs and struts inside the bezel. Cutting these ribs and struts does not usually cause difficulties, although the stiffness of the bezel may be reduced slightly. Try not to cut into the pos...

2-9 Definition of Terms: MONITOR: The term "monitor" refers only to the monitor, television, or other display that is to be integrated. BEZEL: The term “bezel” refers to a specific part of the molded plastic cabinet of the monitor. The bezel is the part that covers the front of the CRT and s...

2-10 I n t e l l i T o u c h / S e c u r e T o u c h G u i d e Summary of Installation Steps The CRT installation process consists of the following steps: 1 Incoming inspection 2 Disassembling the monitor 3 Attaching the touchscreen to the CRT 4 Installing the controller 5 Routing the touchscreen ca...

2-11 Incoming Inspection Unpacking the Touchscreen Handle the touchscreen with care. Note the transducers in the corners are especially fragile. Note the location of the transducers and wiring. If any of these are accidentally broken during handling or installation, or if a wire is pulled loose, the...

2-12 I n t e l l i T o u c h / S e c u r e T o u c h G u i d e Remove the Back Case Figure 2.3 on page 10 shows the typical construction of a 15-inch display. Disassembly usually starts with removal of the back case. For assistance with disassembly, consult your particular manufacturer's service man...

2-13 It may be necessary to remove some sheet metal to gain access to the anode lead—be very careful to do this without making contact to the anode lead itself. Carefully discharge the CRT using the following procedure: 1 Connect a clip lead or a heavy-gauge wire to the mounting ears or the spring-t...

2-15 Remove the CRT Removal of the CRT is next. Prepare a soft surface to set the CRT on. Remove the screws attaching the CRT to the bezel, and then remove the CRT. Do not lift or carry the CRT by the neck or yoke assembly. Avoid contact with the anode button, which may still have some residual char...

2-16 I n t e l l i T o u c h / S e c u r e T o u c h G u i d e The potential interference between the degaussing coil and the touchscreen must also be evaluated. The coil will usually fit between the touchscreen and the inside surface of the bezel, as there is typically a natural cavity for it. If t...

2-18 I n t e l l i T o u c h / S e c u r e T o u c h G u i d e Attaching the Touchscreen Once you have verified all dimensions and checked that the bezel has plenty of clearance around the transducers and lands inside the sealing area, you are ready to install the touchscreen. 1 Check room for cable...

2-20 I n t e l l i T o u c h / S e c u r e T o u c h G u i d e When you have a good feel for the placement of the touchscreen, clean the back side of the touchscreen and the face of the CRT again. Avoid all contact between the cleaning solution and the mounting materials as the cleaner may cause the...

2-21 During the spacer selection process, you may have to install the CRT with the touchscreen attached in the bezel several times. To prevent the CRT from dislodging the spacers, temporarily insert plastic tie wraps or toothpicks as guides in the mounting post holes. After selecting the correct spa...

2-25 External Serial Controller An external serial controller is the best choice for many integrators for several reasons: • No additional cables are required to install the controller. The 30-inch touchscreen cable is routed through the rear of the display case to a 2x6 male connector located on th...

2-29 Routing the Touchscreen Cables The internal cables that carry the analog touchscreen signals are subject to interference from various sources within the display. The routing of these cables should avoid the following areas, listed in order of importance: • flyback transformer-CRT (anode lead) •...

2-30 I n t e l l i T o u c h / S e c u r e T o u c h G u i d e Reconnect all cables that were removed during the disassembly procedure. Watch for single ground connections from the CRT mount to the chassis, between individual chassis members, etc., which may have lugs and screws to connect them, or ...

2-31 Figure 2.8 Proper and Improper Bezel Mounting 1 Compress the seal evenly around the bezel. If the display is to be used in a kiosk with forced air ventilation, the air should be filtered and fans should be positioned at the intake, creating positive pressure inside the cabinet. Sealing Material...

2-32 I n t e l l i T o u c h / S e c u r e T o u c h G u i d e LCD Integration This section outlines the procedures for installing touchscreen components that will convert your monitor into a touchmonitor. Details are given on mounting the touchscreen, controller, and connecting cables. Safety Infor...

2-33 Summary of Installation Steps This section describes integration of an LCD. There are two types of integration: desktop LCD or LCD component. If integrating a touchscreen on an LCD desktop, then bezel redesign may be required. See “Design Considerations for CRTs and LCDs” on page 2-6, for bezel...

2-34 I n t e l l i T o u c h / S e c u r e T o u c h G u i d e Disassembling the LCD Monitor Note: The purpose of this document is to aid in the touchscreen integration of monitors. This document is for reference only, and cannot be assumed to cover all LCD monitor products in detail. Elo TouchSyste...

2-36 I n t e l l i T o u c h / S e c u r e T o u c h G u i d e Optional Parts for Serial Connection • External serial out cable • DC to DC Power converter and cables. • Controller power cable. • Closed-cell Polyolefin foam with adhesive on one side. • Service manual for the monitor. • Internal mount...

2-37 Removing the Rear Case Disassembly usually starts with removal of the back case. For assistance with disassembly, consult your manufacturer's service manual. To remove the rear case: • Carefully lay the display on its face on the padded work surface and remove the screws that attach the rear ca...

2-38 I n t e l l i T o u c h / S e c u r e T o u c h G u i d e Determining Touchscreen Fit 1 Position the LCD so the face is accessible. 2 Next, determine if the touchscreen will fit in the bezel without modifications to the bezel. Modifications, if necessary, should be done without seriously compro...

2-39 Mounting the Touchscreen When preparing the touchscreen for mounting to the LCD, major considerations are: • Reasonable mechanical alignment with the display. • Mounting materials and methods. • A complete dust seal between the touchscreen and the LCD. • A mounting technique that evenly support...

2-41 Sealing Sealing the IntelliTouch touchscreen is not required for operation; however, it is recommended to increase the resistance to dirt and moisture. Elo recommends using closed-cell polyolefin based foam with an adhesive backing on one side. Elo sells sealing foams with varying thickness to ...

2-44 I n t e l l i T o u c h / S e c u r e T o u c h G u i d e Power Various methods can be used to obtain power for the internal USB controller. This section addresses the two most common methods: • Parasitic tap of 5Vdc • Parasitic tap of 7-30Vdc using a DC to DC converter. Parasitic Tap of 5Vdc I...

2-46 I n t e l l i T o u c h / S e c u r e T o u c h G u i d e • Connect the 2x5 position header of cable 429761-000 to connector P4 of the IntelliTouch USB controller, and secure with a small amount of glue. • Take up the excess cable with zip ties and secure. Modifying the Case for Serial Output T...

2-47 2 Mount the USB bulkhead connector using one of the above techniques. Note: If mounting to a non-grounded location, attach a grounding cable to one of the jackscrews and terminate to ground). 3 Connect one end of the 18" USB cable to the USB connector of the IntelliTouch serial controller, ...

A-49 A P P E N D I X A C HAPTER 2 T ROUBLESHOOTING G UIDE If you experience operational difficulties with the touchscreen system either during or after installation, the following sections will help you determine the source of the problem. The Troubleshooting Process The first step in troubleshootin...

A-50 I n t e l l i T o u c h / S e c u r e T o u c h G u i d e Display Problems If you are experiencing display problems (such as no video, no horizontal or vertical synchronization, raster non-linearities, etc.), remember that the video function of the display and the Elo touchscreen installed on t...

A-51 For detailed troubleshooting information on MonitorMouse for Windows, MonitorMouse for DOS, MonitorMouse for DOS, ELODEV, and TouchBack, see the DOS and Windows Driver Guide, MonitorMouse for OS/2 User's Guide, MonitorMouse for Windows NT User's Guide, or MonitorMouse for Macintosh User's Guide...

A-52 I n t e l l i T o u c h / S e c u r e T o u c h G u i d e • Intermittent touch data. If the system is reporting touch data at a slow or varying rate, the problem may be caused by a low signal strength or excessive noise in the system. Generation of touch data when the touchscreen is not touched...

A-55 Data Set Ready (DSR) and Clear to Send (CTS) may be used by the host to verify controller connections and operation. DSR is asserted when power is applied to the controller and CTS is asserted when the controller's power-on sequence is complete. Data Terminal Ready (DTR) and Request to Send (RT...

A-56 I n t e l l i T o u c h / S e c u r e T o u c h G u i d e Touchscreen and Touchscreen Cables If the touchscreen and its attached cable are easily accessible, the touchscreen can be physically inspected for damage to the transducers and cable. Gently peeling back the tape covering the transducer...

A-57 IC1 Cable The IC1 cable is used inside the display to connect to an external EC2 extension cable and an external controller. The IC1 cable can be checked with an ohmmeter. Pin #1 is identified by a white dot on the plastic body of the header. The pinouts for the header and the cable are as foll...

A-58 I n t e l l i T o u c h / S e c u r e T o u c h G u i d e Diagnostic LED's Depending on where the controller is installed, the LED's may or may not be visible. IntelliTouch Serial Controllers The IntelliTouch serial controllers have one green diagnostic LED. Following power on, the controller p...

A-59 Diagnostic Codes The diagnostic codes may be a single byte or pair of bytes displayed in hex. The following tables for each controller list the bit positions defined for each byte. A 1 bit indicates a failure. Diagnostic codes are computed by summing the value for each bit position using hexade...

B-61 A P P E N D I X B C HAPTER 2 S PECIFICATIONS The following specifications are subject to change without notice. Many of the IntelliTouch specifications are controller-dependent. Refer to the IntelliTouch Touchscreen Products brochure or the Technical Reference Manual for your controller for the...

B-62 I n t e l l i T o u c h / S e c u r e T o u c h G u i d e IntelliTouch Touchscreens Mechanical Construction Glass panel with transducers attached to front surface of the glass. Glass panel thickness nominally 0.115-inch (3 mm). Corner-mounted transducers add maximum of 0.150-inch (4 mm). Bevele...

B-64 I n t e l l i T o u c h / S e c u r e T o u c h G u i d e IntelliTouch 2500U USB Controller Electrical Supply Voltage and Current +5 Vdc, nominal (+4.75 to +5.25 Vdc). 50 mA, typical at +5 Vdc. Average power dissipation is 0.25 W, typical. Supply must be capable of sourcing 100 mA, minimum. Tot...

B-68 I n t e l l i T o u c h / S e c u r e T o u c h G u i d e LED Diagnostic Characteristics A green LED (D1) indicates controller status as follows: A second LED (D6) indicates USB status as follows: Agency Approvals • Elo controllers are “CNR/USR” UL Recognized Components for USA and Canada, Cate...

B-69 2500U USB Controller Drawings Figure B.4 2500U USB Controller, top view Figure B.5 2500U USB Controller, thru-hole locations

B-71 IntelliTouch 2500S Serial Controller Electrical Supply Voltage and Current +5 Vdc, nominal (+4.75 to +5.25 Vdc). 60 mA, typical at +5 Vdc. Average power dissipation is 0.3 W, typical. Supply must be capable of sourcing 100 mA, minimum. Total noise and ripple requirement must be less than 100 mV...

B-75 Table B.7 Power connector, P4, pins and signal names Jumper Settings Table B.8 Jumper Locations and function if installed The 2500S is shipped with a single jumper fitted to not enable either J1 or J2. Consult the drawings later in this document for the position of the jumpers. LED Diagnostic C...

B-77 Drawings Figure B.11 2500S Serial Controller, top view Figure B.12 2500S Serial Controller, bottom view

C-79 A P P E N D I X C C HAPTER 2 E LO P ART N UMBERS Part Number Description Controller and Cable Kits 714259-000 2500U USB Controller for surface wave 351077-000 2500S RS-232 Serial Controller for surface wave 498363-000 PC-Bus Controller Card, half slot for surface wave 750345-000 Serial Cable Pa...

Glossary-83 C HAPTER 2 G LOSSARY A Autosizing-True autosizing occurs when a monitor can maintain a constant image size across different video modes. Two common ways of achieving autosizing are mode sensing, pre-programmed factory settings and user defined modes. B Bandwidth-The range of frequencies ...

Glossary-84 I n t e l l i T o u c h / S e c u r e T o u c h G u i d e DPMS™-Display Power Management Signaling standard. VESA® standard which ensures that monitor and video manufacturers produce power saving products that work together. DQ-DAF-Double-Quadruple Dynamic Astigmatism and Focus. The basi...

Glossary-86 I n t e l l i T o u c h / S e c u r e T o u c h G u i d e MPR-II-The radiation emission standard published by the Swedish National Board for Measurement and testing. Multi-Frequency vs Fixed Frequency-Fixed frequency monitors can only sync on one horizontal scan rate (e.g. 31.5 kHz). Mos...

Glossary-87 Primary Colors-In light (and in monitors, which produce light) they are the basic colors-red, green and blue-that can be added together to create any other color. R Raster Area-The area of the CRT which has the ability to display a video image. Refresh-The process in which the monitor re...

Glossary-88 I n t e l l i T o u c h / S e c u r e T o u c h G u i d e Swim-An image should be rock-steady on the monitor screen. Swim, like similar characteristics jitter and drift, is a measure of how much an on-screen image wavers over a given time. T Triad-A triad contains three phosphor filled d...

I n d e x - 8 9 Numerics 2500S Controller Protocol, A-532500S Serial Controller, bottom view, B-702500S Serial Controller, side view, B-702500S Serial Controller, top view, B-692500U USB Controller Drawings, B-69 A A-4002 Controller Protocol, A-53adhesive tape, 2-19, 2-20adhesive, electronic grade, ...