3M Touch Screen Controller RX142, Reference Manual

Page 1: ...stems Inc Proprietary Information 3M MicroTouch Controller RX142 Reference Guide Formerly SC400 Serial Resistive Read and understand all safety information contained in this document before using this...

Page 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...

Page 3: ...stablishing the Data Connection 10 Mounting the Controller 11 Supplying Power to the Controller 11 Mounting the Sensor 12 Sensor Cable Connector 12 Status Light LED Diagnostics 13 Turning On Your Syst...

Page 4: ...uch Systems Inc Proprietary Information Restore Defaults 24 Set Controller Number Error Bookmark not defined Unit Type 24 Appendix A RX142 Controller Specifications Technical Specifications 28 Storage...

Page 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...

Page 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...

Page 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...

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Page 9: ...nd 1 stop bit To integrate and test the RX142 controller you need the following items A 4 wire resistive sensor A method of establishing the serial data communication between the controller and your s...

Page 10: ...rd 3M MicroTouch RS 232 plug and play cable P N 7319630 or an equivalent interconnect One end of this cable plugs into the RS 232 connector JP2 on the RX142 controller The other end which has a 9 pin...

Page 11: ...ith the sensor cable exit point to minimize cable flexing The controller should be mounted internally behind or on the side of the display on stand offs to allow room for the sensor cable connector En...

Page 12: ...actual cable connections Unlike using JP4 to supply power you can only use 5VDC at the serial interface 1 Obtain an 8 pin Molex connector 51004 0800 2 Attach power and ground to the connector Pin 6 5...

Page 13: ...LED Diagnostic Codes for RX142 Controllers Flashes Self Test Condition Self Test Bit Description What to do 1 Reserved 0 Reserved 2 ROM Error 1 Firmware EPROM checksum verification error No recovery...

Page 14: ...er to the website for a complete listing You must be sure to install the correct software for your operating system 3M MicroTouch Software includes a control panel for setting your sensor preferences...

Page 15: ...d includes the command syntax the default value how the command works and the expected response from the controller Controller Default Settings Communication Parameters The RX142 controller communicat...

Page 16: ...ed in the following table are those that 3M Touch Systems currently uses for development and recommends that you use only these commands Commands to the controller are sent on the signal Receive Data...

Page 17: ...ontrol character is 01 If you are working with an IBM PC compatible system in terminal mode the SOH control character returns a character to the sensor The response which always follows the header is...

Page 18: ...tialize the controller select operating modes specify data formats and execute diagnostic functions Most touch system users do not have to use firmware commands to use their touch systems For example...

Page 19: ...Number W002 Used to determine a controller ID number for multiple monitor applications Unit Type UT Returns controller unit type string and status Calibrate 3 Point Syntax SOH C3 CR Response SOH 0 CR...

Page 20: ...gister a calibration touch Therefore you can touch the coordinate target hold for a few seconds and then lift off Instructing users to touch this way results in a more accurate calibration The control...

Page 21: ...n the following format SXxYy S Status byte first byte of data Refer to Table 4 Xx X horizontal coordinate data second and third bytes of data Yy Y vertical coordinate data fourth and fifth bytes of da...

Page 22: ...ty bit changes from 1 to 0 touch liftoff the controller outputs one final set of X Y coordinate data with the bit equal to 0 and the X Y coordinate data equal to the last touch point S7 Packet synchro...

Page 23: ...Returns a 6 character identifier which describes the controller type and the firmware version number The output identity for the RX142 controller is SCXxxx Reset Syntax SOH R CR Response SOH 0 CR Posi...

Page 24: ...Tablet Operating Mode Mode Stream Return to Factory Calibration Yes Note After you issue a Restore Defaults command you must recalibrate your sensor Set Controller Number a multi step command Syntax...

Page 25: ...her 4 wire controller RX142 or an 8 wire controller RX182 Indicates no additional features configured Ss Two ASCII characters that provide status information about the controller hardware The two char...

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Page 27: ...pecifications such as power requirements environmental requirements and cable connectors The RX142 controller is a compact RS 232 serial controller This controller was designed to be mounted inside yo...

Page 28: ...ZS 3548 1995 CISPR 22 Class B ITE Emissions Aus Class B Compliant RFI EN 61000 4 3 ENV 50140 Class A Compliant CRFI EN 61000 4 6 N A Cable 3 meters long N A EFT Burst Immunity EN 61000 4 4 Class B Com...

Page 29: ...on 9 of IEC 61000 4 2 Compliant 1 false touch allowed 20 kV Air Discharge Class 1 per section 9 of IEC 61000 4 2 Compliant Normal Operation No false touches ESD discharges to a sensor connected to the...