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3M™ MicroTouch™ Controller RX181 Reference Guide

3M Touch Systems, Inc. Proprietary Information

APPENDIX A

RX181 Controller Specifications

This section provides controller specifications such as power and environmental
requirements. The RX181 controller is a compact, small outline USB controller. This
controller should be internally mounted in your monitor.

The following figure shows the overall dimensions of the RX181 controller and the
locations of the mounting holes and connectors.

Figure 3. RX181 Controller Dimensions

Содержание Touch Screen Controller RX181

Страница 1: ...Systems Inc Proprietary Information 3M MicroTouch Controller RX181 Reference Guide Formerly SC800 USB Resistive Read and understand all safety information contained in this document before using this...

Страница 2: ...ot warranted 3M Touch Systems Inc products and software are not specifically designed for use in medical devices as defined by United States federal law 3M Touch Systems Inc products and software shou...

Страница 3: ...Power to the Controller 11 Sensor Cable Connector 11 Turning On Your System 12 Status Light LED Diagnostics 12 What s Next 13 Chapter 2 RX181 Controller Communications Overview of USB Firmware Communi...

Страница 4: ...4 3M MicroTouch Controller RX181 Reference Guide 3M Touch Systems Inc Proprietary Information...

Страница 5: ...ted 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 o...

Страница 6: ...ury or death Do not use a damaged power supply Do not use a power cord that is frayed or otherwise damaged CAUTION To reduce the risks associated with improper disposal which if not avoided may result...

Страница 7: ...through Friday 8 30 a m to 5 30 p m with limited call back service after 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 Su...

Страница 8: ......

Страница 9: ...terface To integrate and test the RX181 controller you need the following items An 8 wire resistive sensor A method of establishing the USB communication between the controller and your system The sta...

Страница 10: ...ch USB communication cable P N 7319420 PC 99 compatible or an equivalent interconnect One end of this cable plugs into the USB connector JP7 on the RX181 controller The other end which has a Type A co...

Страница 11: ...tions Supplying Power to the Controller The RX181 controller is powered by the USB 5 volt bus power The typical current is 15 mA typical 28 mA touching 5 regulation with a maximum ripple and noise of...

Страница 12: ...icroTouch controllers are highly reliable units however there may be occasions when the controller does not perform exactly as you expected The RX181 controller provides diagnostic feedback with a lig...

Страница 13: ...hat are out of range Check connection to the sensor 6 Reserved 5 Reserved 7 Reserved 6 Reserved What s Next Since this is a HID human interface device compatible controller the controller will operate...

Страница 14: ......

Страница 15: ...an issue commands to initialize the controller select operating modes and execute diagnostic functions Most touch system users do not have to use firmware commands to use their touch systems For examp...

Страница 16: ...om 3M Touch Systems Receiving Reports from the Controller The controller sends a variety of reports to the computer The first byte of each report is the Report ID that defines the structure and conten...

Страница 17: ...sed Packed Coordinate Data Report 2 and Report 7 These are used to transfer the packed coordinate data to a custom driver or utility These reports when activated are sent to the host whenever new data...

Страница 18: ...B packet for sending to the controller The general packet format is described in Table 7 Any data appended immediately after this data is referred to as the data stage of request If using Windows you...

Страница 19: ...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 Set Feature Set Asynchro...

Страница 20: ...x0303 03 Feature 03 Feature Report ID 4 wIndex 2 0 Always 0 6 wLength 2 8 Always 8 Table 10 Data Stage Offset Field Size Value Description 0 bReport ID 1 0x03 Feature Report ID 1 bmReport Subtype 1 0x...

Страница 21: ...calibration will fail if the three calibration points do not fall within certain bounds established by the firmware These bounds require that the 3 calibration points be in correct quadrants of the se...

Страница 22: ...way results in a more accurate calibration The controller stores the data in non volatile memory NOVRAM Therefore you do not have to calibrate the sensor each time you power on the system You should h...

Страница 23: ...equest is then used to check the completion of those requests Table 14 Controller Status Offset Field Size Value Description 0 bmRequestType 1 0xA1 Host to device 1 bRequest 1 0x01 Get Report 2 wValue...

Страница 24: ...cessed successfully It is also used to track the progress of a multi stage request such as calibration The Status Request does not affect the contents of this field i e successful unsuccessful process...

Страница 25: ...nnot be processed successfully The request cannot be processed if the reset type specified by the bResetType field is not valid Set Feature Restore Defaults This is a request to restore the default va...

Страница 26: ...Description 0 bReportID 1 0x05 Feature Report ID 1 bReport Subtype 1 0x01 Indicates a set param report 2 bArea 1 0 Memory Area always 0 Ctrl EEPROM 3 Not used 1 0 Not used 4 bSubArea 1 0x05 Block num...

Страница 27: ...quest Offset Field Size Value Description 0 bmRequestType 1 0x21 Device to host 1 bRequest 1 0x09 Set Report 2 wValue 2 0x0303 03 Feature 03 Feature Report ID 4 wIndex 2 0 Always 0 6 wLength 2 0 Alway...

Страница 28: ...Data Stage 2 through 9 controller response data 8 8 data bytes Offset Field Size Value Description 0 7 wData 1 0xXX 4 bytes of data trailing pad bytes are ignored Data Stage The controller ID is in t...

Страница 29: ...controller specifications such as power and environmental requirements The RX181 controller is a compact small outline USB controller This controller should be internally mounted in your monitor The f...

Страница 30: ...Class B Compliant VCCI Class B ITE Emissions Japan Compliant AS NZS 3548 1995 CISPR 22 Class B ITE Emissions Aus Compliant UL cUL Compliant Ambient Operating and Storage Environmental Conditions Note...

Страница 31: ...of IEC 61000 4 2 Compliant Normal Operation No false touches MTBF by MIL Std 217F Calculation 400 000 Hours 3M Touch Systems Parameters Accuracy vs Dynamic Temperature Change Maintains 1 Accuracy test...

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