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3M SC800 USB Resistive Reference Manual

Summary of SC800 USB Resistive

  • Page 1

    3m touch 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 product. 3.

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    2 3m™ microtouch™ controller rx181 reference guide 3m touch systems, inc. Proprietary information the information in this document is subject to change without notice. No part of this document may be reproduced or transmitted in any form or by any means, electronic or mechanical, for any purpose, wi...

  • Page 3: Contents

    3m™ microtouch™ controller rx181 reference guide 3 3m touch systems, inc. Proprietary information contents introduction what you need to know ...........................................................................................5 important safety information .......................................

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    4 3m™ microtouch™ controller rx181 reference guide 3m touch systems, inc. Proprietary information.

  • Page 5: Introduction

    3m™ microtouch™ controller rx181 reference guide 5 3m touch systems, inc. Proprietary information introduction 3m touch systems offers several advanced controllers designed for reliability and easy installation. Each controller provides superior performance and delivers excellent stability, sensitiv...

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    6 3m™ microtouch™ controller rx181 reference guide 3m touch systems, inc. Proprietary information explanation of signal word consequences warning: indicates a potentially hazardous situation, which, if not avoided, could result in death or serious injury and/or property damage. Caution: indicates a ...

  • Page 7

    3m™ microtouch™ controller rx181 reference guide 7 3m touch systems, inc. Proprietary information whenever you contact technical support, please provide the following information: • display size, part number and serial number • current driver version • operating system used • information on addition...

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    3m™ microtouch™ controller rx181 reference guide 9 3m touch systems, inc. Proprietary information chapter 1 integrating the rx181 controller the 3m tm microtouch™ rx181 controller is an accurate, small outline, low cost, temperature stable controller capable of supporting a wide range of resistive s...

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    10 3m™ microtouch™ controller rx181 reference guide 3m touch systems, inc. Proprietary information figure 1. Rx181 controller overall dimensions handling and esd protection when mounting the sensor and controller, use normal precautions for handling electrostatic sensitive devices. The rx181 has int...

  • Page 11

    3m™ microtouch™ controller rx181 reference guide 11 3m touch systems, inc. Proprietary information mounting the controller the controller is designed for internal mounting only. Choose a convenient spot away from high-voltage, high power cables and electronics. Use 4-40 metal screws to mount the con...

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    12 3m™ microtouch™ controller rx181 reference guide 3m touch systems, inc. Proprietary information connector pins 1-2 and 5-6 must be connected to one sheet and pins 3-4 and 7-8 must be connected to the other sheet. 1. Ye- 2. Ys- 3. Xs+ 4. Xe+ 5. Ye+ 6. Ys+ 7. Xs- 8. Xe- turning on your system befor...

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    3m™ microtouch™ controller rx181 reference guide 13 3m touch systems, inc. Proprietary information flashes self test condition self test bit description what to do… 5 hardware error 4 power-up sensor connector voltages that are out of range. Check connection to the sensor 6 reserved. 5 reserved 7 re...

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    3m™ microtouch™ controller rx181 reference guide 15 3m touch systems, inc. Proprietary information chapter 2 rx181 controller communications this chapter discusses the fundamentals of communicating with the rx181 controller. The firmware commands, which are usually issued by a driver or utility prog...

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    16 3m™ microtouch™ controller rx181 reference guide 3m touch systems, inc. Proprietary information communication basics this section provides information on sending firmware commands to the controller and interpreting the responses that the controller returns. The default operation of the rx181 cont...

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    3m™ microtouch™ controller rx181 reference guide 17 3m touch systems, inc. Proprietary information hid-compatible coordinate data – report 1 this is used to transfer the 10-bit coordinate data to the host. This report, when activated, is sent to the host whenever new data is available/scheduled for ...

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    18 3m™ microtouch™ controller rx181 reference guide 3m touch systems, inc. Proprietary information table 6. Coordinate data report touch status byte bit status 0 0 = not touching, 1 = touching 1 0 = data invalid, 1 = data valid 2 not used 3 not used usb command set the usb command set is implemented...

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    3m™ microtouch™ controller rx181 reference guide 19 3m touch systems, inc. Proprietary information offset field size value description 2 wvalue 2 0x03xx used to specify command parameters. 03 = feature xx = feature report id 4 windex 2 0 must be 0 (zero) 6 wlength 2 0xxxxx number of bytes to transfe...

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    20 3m™ microtouch™ controller rx181 reference guide 3m touch systems, inc. Proprietary information note: the touch_reports_utility command causes the controller to send report 7 from the endpoint 0 exclusively. This action is essential in getting a calibration utility to function. The endpoint 1 doe...

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    3m™ microtouch™ controller rx181 reference guide 21 3m touch systems, inc. Proprietary information table 11. Set feature - calibration offset field size value description 0 bmrequesttype 1 0x21 host to device 1 brequest 1 0x09 set report 2 wvalue 2 0x0303 03 = feature 03 = feature report id 4 windex...

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    22 3m™ microtouch™ controller rx181 reference guide 3m touch systems, inc. Proprietary information will be maintained by the controller. The calibrate 3 point command initiates an interactive calibration procedure which defines the active area of the sensor by mapping locations to an absolute x,y co...

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    3m™ microtouch™ controller rx181 reference guide 23 3m touch systems, inc. Proprietary information figure 2. Calibration target locations *the coordinates are in video terms, with the origin (0, 0) in the upper left corner of the sensor. Examples from the controller’s perspective, however, place the...

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    24 3m™ microtouch™ controller rx181 reference guide 3m touch systems, inc. Proprietary information at power-up. If any failures in these systems are detected, a poc flag is set. The poc status field reports the state of these flags. The poc status information is also flashed on the controller’s led....

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    3m™ microtouch™ controller rx181 reference guide 25 3m touch systems, inc. Proprietary information table 19. Reset request offset field size value description 0 bmrequesttype 1 0x21 host to device 1 brequest 1 0x09 set report 2 wvalue 2 0x0303 03 = feature 03 = feature report id 4 windex 2 0 always ...

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    26 3m™ microtouch™ controller rx181 reference guide 3m touch systems, inc. Proprietary information response the device stalls endpoint 0 if it cannot process this request. Set feature - set controller number this command is used to get a controller number for application use. The controller does not...

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    3m™ microtouch™ controller rx181 reference guide 27 3m touch systems, inc. Proprietary information the host can send a status request, as long as the endpoint is not stalled, to determine if this request was executed properly. Get feature – get controller number this command is used to get a control...

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    28 3m™ microtouch™ controller rx181 reference guide 3m touch systems, inc. Proprietary information table 29. Data stage 1 (controller response header) offset field size value description 0 report id 1 0x05 feature report id 1 not used 1 0 not used 2 barea 1 0 memory area (always 0=ctrl eeprom ) 3 no...

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    3m™ microtouch™ controller rx181 reference guide 29 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....

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    30 3m™ microtouch™ controller rx181 reference guide 3m touch systems, inc. Proprietary information technical specifications physical dimensions uncased 2.75 in. X 1.3 in. X 0.45 in. (69.9 mm x 33.0 mm x 11.4 mm) board level functions power 5 vdc / 12 vdc (15 ma typical, 28 ma touching); ± 5% regulat...

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    3m™ microtouch™ controller rx181 reference guide 31 3m touch systems, inc. Proprietary information 1 false touch allowed ±20kv air discharge – class 1 per section 9 of iec 61000-4-2 compliant normal operation – no false touches mtbf (by mil std. 217f calculation) >400,000 hours 3m touch systems para...