Elo TouchSystems IntelliTouch SecureTouch manual IntelliTouch Touchscreens, Mechanical, Optical

Page 74

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). Beveled flat screens have transducers attached to a beveled edge of the glass.
Dimensions	The following physical dimensions of the touchscreen are specified for each model in the
	IntelliTouch Touchscreen Products brochure or the appropriate Elo Specification Control
	Drawing. Drawings can be found on Elo’s web site, www.elotouch.com
	Horizontal and Vertical physical size
	Horizontal and Vertical border region size
	Horizontal and Vertical touch active area size
	Radius of curvature information
	Cable exit location, length, and connector type
Cable and	Cable typically exits from the right side, terminating in a 2x6 female, 0.025-inch (0.635
Connector	mm) square post receptacle with 0.100-inch (2.54 mm) centers.
Positional	Standard deviation of error is less than 0.080 in. (2 mm).
Accuracy
Resolution	4096 x 4096 touch points (approximately 400 touch points per linear inch)
Touch Activation	Typically 2 to 3 ounces (55 to 85 grams).
Force
Surface	Surface durability is that of glass, Mohs’ hardness rating of 7.
Durability
Expected Life	No known wear-out mechanism, as there are no layers, coatings, or moving parts. The
Performance	IntelliTouch technology has been operationally tested to more than 50 million touches in
	one location without failure, using a stylus similar to a finger.
Optical
Light	90% per ASTM D1003-92
Transmission
Visual Resolution	Clear surface: Excellent with no noticeable degradation.
	Anti-glare surface: 6:1 minimum.
	All measurements made using USAF 1951 Resolution Chart, under 30X magnification
	with test unit located approximately 1.5-inch (38 mm) from surface of resolution chart.
Gloss	Clear surface: N/A
	Antiglare: 75 ± 15 gloss units per ASTM D2457-90 using a 60° gloss meter. For flats, 85
	± 15 gloss units per ASTM D2457-90.
Electrical	All touchscreen drive signals are developed by the interfacing controller. Refer to the
	Technical Reference Manual for your controller or to the IntelliTouch Touchscreen
	Products brochure for these specifications.
Environmental
Temperature	Operating: -20° C to 50° C.
	Storage: -40° C to 71° C.
Operating	40° C at 90% Rh, non-condensing.
Relative Humidity

B-62I 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

Image 74

Contents Page Elo IntelliTouch /SecureTouch Touchscreen Guide Disclaimer Page Intellitouch 10-YEAR Warranty Page Table of Contents Index List of Figures Viii List of Tables Page Intellitouch Technology IntroductionIntelliTouch Touchscreen IntelliTouch TouchscreenIntelliTouch Controller IntelliTouch controllerDriver Software Agency ApprovalsSafety Information Work AreaProtective Clothing Getting StartedDesign Considerations for CRTs and LCDs Bezel Design Bezel designSafety Information CRT IntegrationDefinition of Terms Suggested ToolsSummary of Installation Steps Typical IntelliTouch Touchscreen InstallationDisassembling the Monitor Testing the MonitorIncoming Inspection Unpacking the TouchscreenRemove the Back Case Discharge the CRTRemove the Electronic Chassis 14I 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 CRT Verify Touchscreen Fit Page Attaching the Touchscreen Proper placement of adhesive tape to the touchscreen Spacing the CRT from the Bezel Installing the Controller Internal Serial Controller 2500S Touchscreen Cabling System for Internal Serial ControllerP4 Pins Signal Function 24I 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 External Serial Controller 26I 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 Internal USB Controller 2500U Internal USB Controller 2500U28I 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 Routing the Touchscreen Cables Reassembling the MonitorSealing the Monitor Proper Sealing Improper SealingProper Bezel Mounting Improper Bezel Mounting Sealing Material SelectionSystem Evaluation LCD Integration Unpacking the Touchscreen Disassembling the LCD Monitor Definition of TermsRequired Parts for USB Connection Tools and EquipmentRequired Parts for Serial Connection Optional Parts for Serial Connection Optional Parts for USB ConnectionRemoving the Rear Case Removing the LCDDetermining Touchscreen Fit Mounting the Touchscreen Attaching double-sided adhesive tape to the touchscreen Sealing Spacing the LCD from the Bezel10 2500S Internal Serial Controller 11 2500U USB controller Power Parasitic Tap of 5VdcParasitic Tap of 7-30Vdc DC to DC converter 12 DC to DC converterModifying the Case for Serial Output Modifying the Case for USB OutputRe-assembling the Display 13 Horizontal escutcheon plate48I 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 Troubleshooting Guide Troubleshooting ProcessDisplay Problems Software TroubleshootingHardware Troubleshooting Video Alignment ProblemsUsing the Comdump Utility Serial ControllerByte Description ByteRS-232 Connections P2 Pins DB25Host Signal Source Power Connections Figure A.2 Transducer and Wedge Assembly Touchscreen and Touchscreen Cables2x6 Male Header DB9 Male Function IC1 CableEC2 Cable Diagnostic LEDs IntelliTouch Serial ControllersAA Bit Value hex Description Diagnostic CodesIntelliTouch Serial Controller 2500S DB9 and DB25 Connector Pin Positions Figure A.4 DB9 and DB25 Connector Pin PositionsSpecifications Optical IntelliTouch TouchscreensMechanical EnvironmentalAgency Approvals UL Compliance Fire Retardation FCC ComplianceElectrical Physical CharacteristicsIntelliTouch 2500U USB Controller Touchscreen Connector Power Connector, P4 P2 pin number Signal name Standard wire color Signal name P3 pin Signal function Signal name P4 pin Signal functionLED Blink Rate Function LED Diagnostic CharacteristicsAgency Approvals LED State Function2500U USB Controller Drawings Figure B.4 2500U USB Controller, top viewFigure B.6 2500U USB Controller, bottom-view IntelliTouch 2500S Serial Controller Environments72I 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 Signal Name DB-9 P2 pin Sourced by Signal Function Parameter Value Applicable Signals EIA-232 subsecBoard mounted Cable applied Header Plug Jumper Settings Jumper Function76I 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 Drawings Figure B.11 2500S Serial Controller, top viewFigure B.13 2500S Serial Controller ELO Part Numbers Part Number DescriptionCables Stylus 82I 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 Glossary Page Glossary-85 Page Glossary-87 Vertical Refresh Rate-See Refresh Rate Index Page Page