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Summary of Contents for 3M EX II 1710SC
- Page 1 EX II Serial Controllers Reference Guide EX II 1710SC EX II 1720SC EX II 1750SC EX II 7720SC 3M Touch Systems Read and understand all safety information contained in this document before using this product. 3M Touch Systems Proprietary Information...
- 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.
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Page 3: Table Of Contents
What You Need to Know ...................5 Important Safety Information ..................5 Touch Screen Care and Cleaning ................6 Contacting Technical Support ..................7 3M Touch Systems, Inc. Worldwide Offices .............7 Chapter 2 Integrating the EX II Controllers Overview of the EX II Touch Screen Controllers ............9 EX II 17xxSC Dimensions ..................10... - Page 4 EX II 17xxSC Controller Specifications Technical Specifications...................34 Physical Dimensions ....................34 Female Connector on the Touch Screen Cable ............36 Communication Connector..................36 Appendix B EX II 7720SC Controller Specifications Touch Screen Cable Connections................38 Communication Connector..................38 Technical Specifications...................39 Physical Dimensions ....................39 3M Touch Systems Proprietary Information...
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Page 5: Chapter 1 Introduction
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: Touch Screen Care And Cleaning
EX II Serial Controllers Reference Guide Intended Use The EX II controller was designed to enable touch in conjunction with other 3M Touch Systems products and was tested to replace an existing serial controller. This controller is intended for internal use only and is not designed for use in hazardous locations. -
Page 7: Contacting Technical Support
Always handle the touch screen with care. Do not pull or stress cables. Contacting Technical Support 3M Touch Systems, Inc. is committed to helping you get the most out of your touch screen by providing extensive Technical Support. Visit the 3M Touch Systems, Inc. -
Page 9: Chapter 2 Integrating The Ex Ii Controllers
2D bar code label attached to the touch screen flex cable. • The EX II 1710SC and 1750SC are available in N81 Format Tablet either cased or uncased for external or internal mounting. -
Page 10: Ex Ii 17Xxsc Dimensions
EX II Serial Controllers Reference Guide • A method of establishing the serial data communication between the controller and your system. The standard 3M Touch Systems RS-232 serial cable (P/N 7310101) is recommended. • A method of supplying power to the controller -- either internal or external. -
Page 11: Handling And Esd Protection
The EX II controllers require that an RS-232 serial communication cable be attached to connector JP1. You can use a standard 3M Touch Systems RS-232 cable (P/N 7310101) or an equivalent interconnect. One end of this cable plugs into the RS-232 connector (JP1) on the controller. -
Page 12: Mounting The Controller
(chassis) in all applications. You can supply power to the ClearTek II controller using any of the following methods. The voltage input can vary from +5VDC to +12VDC. Exact specifications can be found in the appendices. 3M Touch Systems Proprietary Information... -
Page 13: Mounting The Touch Screen
2. Attach power and ground to the connector, (Pin 6: +5V to +12V, Pin 7: Ground). Using an External Wall-Mount Power Supply If you are using a standard 3M Touch Systems RS-232 serial cable (P/N 7310101), consult your applications engineer for power supply specifications. -
Page 14: Status Light (Led) Diagnostics
Status Light (LED) Diagnostics 3M Touch Systems controllers are highly reliable units; however, there may be occasions when the controller does not perform exactly as you expected. The EX II controller provides diagnostic feedback with a light emitting diode (LED) on the component side of the board that indicates the status of the touch screen unit. -
Page 15: Installing Software
Installing Software Both TouchWare and MT 7 software include the software driver that enables your touch screen to work with your computer. 3M Touch Systems has touch screen drivers for many operating systems, including Windows XP, XP embedded, 2000, 9X, Windows Me, Windows CE, and Windows NT 4.0 (refer to the website for a complete listing). -
Page 17: Chapter 3 Ex Ii Controller Communications
• It is the standard for current 3M Touch Systems product development and is the format used by all touch screen drivers written by 3M Touch Systems. Refer to the Format Tablet command in the firmware reference section. Note that both TouchWare and MT 7 software automatically set communications parameters to N81. -
Page 18: Communicating With The Controller
Because Mode Stream sends touch data continually, it is the most versatile mode, and it provides the best response time and overall feel. 3M Touch Systems recommends that the touch screen driver generate an interrupt as each packet in the data stream arrives. Because touchdown and liftoff events are specially coded, your software always knows exactly what the user is doing, if the interrupts are sent as recommended. - Page 19 Each controller response consists of a header, the command response, and a terminator in the following format: <Header>Command Response<Terminator> Note: The following descriptions of header, response, and terminator, use 3M Touch Systems terminal emulator key sequences. The format of controller responses varies depending on the terminal emulation mode you are using.
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Page 20: Firmware Commands
<SOH>Response<CR> Controller Initialization To initialize the EX II controller for new development, 3M Touch Systems recommends that the host system issue a Reset command whenever the host system is powered on and is attempting to establish communication with the controller. -
Page 21: Calibrate Extended
The controller uses the data immediately before liftoff to register a calibration touch. Therefore, you can touch the screen, move your finger to the target, hold for a few seconds, and then lift off. Instructing users to touch this way results in a more accurate calibration. 3M Touch Systems Proprietary Information... - Page 22 The controller returns an acknowledgment of <SOH>1<CR>. This is a positive response. If you receive a negative response <SOH>0<CR>, you can cancel the calibration by issuing a Rest command and then start over again. 3M Touch Systems Proprietary Information...
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Page 23: Calibrate Raw
8-bit communication mode. To end Calibrate Raw mode, issue a Reset command. 3M Touch Systems uses the Calibrate Raw command during manufacturing and testing, and recommends you only use this command for diagnostics when you want raw data. -
Page 24: Diagnostic Command
Packet synchronization Always 1. Diagnostic Command Syntax: <SOH>DX<CR> Description: This command requests the controller to check for touch screen failures such as broken corners, broken wires, etc. Response: <SOH>0<CR> Positive response. <SOH>1<CR> Command not supported. <SOH>2<CR> Failure detected. 3M Touch Systems Proprietary Information... -
Page 25: Format Raw
Q component of upper right (UR) corner 22-26 I component of lower left (LL) corner 27-31 Q component of lower left (LL) corner 32-36 I component of lower right (LR) corner 37-41 Q component of lower right (LR) corner 3M Touch Systems Proprietary Information... -
Page 26: Format Tablet
= Status byte, first byte of data. Refer to Table 8. Xx = X (horizontal) coordinate data; second and third bytes of data. Yy = Y (vertical) coordinate data; fourth and fifth bytes of data. 3M Touch Systems Proprietary Information... -
Page 27: Mode Stream
The This string contains the controller model number and current firmware revision number (e.g., EXII-7720 Rev. 3.0) The content and format of this command can change and therefore is not intended for normal customer use. 3M Touch Systems Proprietary Information... -
Page 28: Null Command
Returns a 6-character random identifier, which describes the controller type and the firmware version number. Response: <SOH>CcXxxx<CR> where: = Two ASCII characters that describe the type of 3M Touch Systems controller. Xxxx = Four ASCII characters that indicate a build identifier. Parameter Set Syntax: <SOH>Ppds[b]<CR>... -
Page 29: Reset
Reset command also cancels the Format Raw, Calibrate Raw, and Calibrate Extended commands and returns the controller to normal operation. 3M Touch Systems recommends that the host system issue a Reset command whenever the host system is powered on and is attempting to establish communication with the controller. -
Page 30: Restore Defaults
Description: Returns to the factory default operating parameters. The Restore Defaults command copies the 3M Touch Systems factory default parameters from ROM to the non-volatile memory (NOVRAM) and then executes a Reset command. Table 10 lists the factory defaults for the EX II controller. The Restore Defaults command is useful in situations where inadvertent commands to the controller have rendered the touch screen inoperative. - Page 31 Table 2 defines the meaning of each bit (LED minus 1) in the status byte. Each bit can be set to 1 or 0, where: 1 = Error 0 = No error 00 = No diagnostic errors (normal response) 3M Touch Systems Proprietary Information...
- Page 33 (3.75 x 2.5 x 0.9 inches) and mounted to the back or side of your monitor. The following figures show the overall dimensions of the EX II 17xxSC controller and the locations of the mounting holes and connectors. Figure 3 Uncased EX II 17xxSC Touch Screen Controller 3M Touch Systems Proprietary Information...
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Page 34: Technical Specifications
Figure 4 Cased EX II 17xxSC Touch Screen Controller Technical Specifications The controller specifications listed below were validated in test systems containing 3M Touch Systems components. These specifications may not be valid if configured with components from suppliers other than 3M Touch Systems. All components in the manufacture of electronic controllers are RoHS Directive compliant (2002/95/EC). - Page 35 – Class 1 per section 9 of IEC 61000-4-2 Compliant Normal Operation – No false touches * ESD discharges to a 3M Touch Systems touch screen connected to the controller MTBF (by MIL Std. 217F Calculation)> 740,000 Hours Touch System Parameters Accuracy vs.
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Page 36: Female Connector On The Touch Screen Cable
Connected to CTS. Green Clear To Send (CTS). Connected to RTS. Not used Sleeve White DC power jack (+5 VDC). ——— Cable shield connected to ground. DC power jack (ground). Shell ——— Chassis (earth) ground. 3M Touch Systems Proprietary Information... - Page 37 RS-232 serial controller. This controller can be internally mounted in your monitor. The following figures show the overall dimensions of the EX II 7720SC controller and the locations of the mounting holes and connectors. Figure 4 EX II 7720SC Touch Screen Controller 3M Touch Systems Proprietary Information...
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Page 38: Touch Screen Cable Connections
You will need a method of establishing the serial data communication between the controller and your system. You can build your own or purchase the standard 3M Touch Systems RS-232 serial cable (P/N 7310101). Table 14 describes the pins for this cable, which connects to a serial communication (COM) port on the PC. -
Page 39: Technical Specifications
EX II 7720SC Controller Specifications Technical Specifications The controller specifications listed below were validated in test systems containing 3M Touch Systems components. These specifications may not be valid if configured with components from suppliers other than 3M Touch Systems. All components in the manufacture of electronic controllers are RoHS Directive compliant (2002/95/EC). - Page 40 – Class 1 per section 9 of IEC 61000-4-2 Compliant Normal Operation – No false touches * ESD discharges to a 3M Touch Systems touch screen connected to the controller MTBF (by MIL Std. 217F Calculation)> 700,000 Hours Touch System Parameters Accuracy vs.
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