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3M Touch Screen Controller EX 111 Reference Manual

Summary of Touch Screen Controller EX 111

  • Page 1

    3m touch systems, inc. Proprietary information -- 29489v05 3m ™ microtouch ™ controller ex usb reference guide for ex111 and ex121 read and understand all safety information contained in this document before using this product. 3.

  • Page 2

    2 3m™ microtouch™ controller ex usb reference guide 3m touch systems, inc. Proprietary information -- 29489v05 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 an...

  • Page 3: Contents

    3m™ microtouch™ controller ex usb reference guide 3 3m touch systems, inc. Proprietary information -- 29489v05 contents chapter 1 introduction what you need to know .......................................................................................... 5 important safety information ................

  • Page 4

    4 3m™ microtouch™ controller ex usb reference guide 3m touch systems, inc. Proprietary information -- 29489v05 restore defaults request 8 ....................................................................................... 24 controller id request 10 .................................................

  • Page 5: Introduction

    3m™ microtouch™ controller ex usb reference guide 5 3m touch systems, inc. Proprietary information -- 29489v05 chapter 1 introduction 3m touch systems offers several advanced controllers designed for reliability and easy installation. Each controller provides superior performance and delivers excell...

  • Page 6

    6 3m™ microtouch™ controller ex usb reference guide 3m touch systems, inc. Proprietary information -- 29489v05 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:...

  • Page 7

    3m™ microtouch™ controller ex usb reference guide 7 3m touch systems, inc. Proprietary information -- 29489v05 apply the cleaner with a soft, lint-free cloth. Avoid using gritty cloths. Always handle the sensor with care. Do not pull on or stress flex tail. 3m touch systems support services 3m touch...

  • Page 9: Controllers

    3m™ microtouch™ controller ex usb reference guide 9 3m touch systems, inc. Proprietary information -- 29489v05 chapter 2 integrating the 3m™ microtouch™ ex usb controllers the 3m™ microtouch™ ex usb controller provides a drop-in replacement for an existing controller with wide dynamic range, increas...

  • Page 10

    10 3m™ microtouch™ controller ex usb reference guide 3m touch systems, inc. Proprietary information -- 29489v05 a 3m™ microtouch™ surface capacitive sensor (available in a variety of sizes). A method of establishing the usb data communication between the controller and your system. The standard 3m™ ...

  • Page 11

    3m™ microtouch™ controller ex usb reference guide 11 3m touch systems, inc. Proprietary information -- 29489v05 sensor connection the sensor cable has a 12-pin (2 x 6) dual row female connector that plugs into the ex121 controller. Table 2 describes the pins on this connector. The sensor connector a...

  • Page 12

    12 3m™ microtouch™ controller ex usb reference guide 3m touch systems, inc. Proprietary information -- 29489v05 supplying power to the controller the controller is designed to use usb bus power (that is, tap power from the usb port). The source must deliver 75 ma typical -- 100 ma maximum, with a ma...

  • Page 13

    3m™ microtouch™ controller ex usb reference guide 13 3m touch systems, inc. Proprietary information -- 29489v05 the led indicator also provides visual indication of the controller’s internal self-tests by flashing or blinking a code that may be interpreted using the table below. The test results are...

  • Page 14

    14 3m™ microtouch™ controller ex usb reference guide 3m touch systems, inc. Proprietary information -- 29489v05 self test condition led flashes self test bit description what to do... Resistance error 15 14 sensor resistance is out of supported range cycle power. If fault persists, replace sensor. B...

  • Page 15: Communications

    3m™ microtouch™ controller ex usb reference guide 15 3m touch systems, inc. Proprietary information -- 29489v05 chapter 3 3m™ microtouch™ ex usb controller communications this chapter discusses the fundamentals of communicating with the 3m™ microtouch™ ex usb controller. The firmware commands, which...

  • Page 16

    16 3m™ microtouch™ controller ex usb reference guide 3m touch systems, inc. Proprietary information -- 29489v05 communicating with the controller this section provides information on sending firmware commands to the controller and interpreting the responses that the controller returns. The default o...

  • Page 17

    3m™ microtouch™ controller ex usb reference guide 17 3m touch systems, inc. Proprietary information -- 29489v05 sending commands to the controller table 5. General format for vendor requests offset field size value description 0 bmrequesttype 1 d1000000 characteristics of request [dir, type, recipie...

  • Page 18

    18 3m™ microtouch™ controller ex usb reference guide 3m touch systems, inc. Proprietary information -- 29489v05 controller initialization to initialize the ex usb controller, 3m touch systems recommends that the host system issue a reset command whenever the host system is powered on and is attempti...

  • Page 19

    3m™ microtouch™ controller ex usb reference guide 19 3m touch systems, inc. Proprietary information -- 29489v05 operating mode the operating mode specifies the conditions under which the controller sends the x and y touch coordinates (input data packet) to the host system. Report 1 enabled is the de...

  • Page 20

    20 3m™ microtouch™ controller ex usb reference guide 3m touch systems, inc. Proprietary information -- 29489v05 response the device stalls endpoint 0 if the request cannot be processed successfully. The host should issue status requests to determine the status of this request. A command status of 1 ...

  • Page 21

    3m™ microtouch™ controller ex usb reference guide 21 3m touch systems, inc. Proprietary information -- 29489v05 table 9. Controller status request offset field size value description 0 bmrequesttype 1 11000000 characteristics 1 brequest 1 6 command number 2 wvalue 2 0x0000 not used 4 windex 2 0x0000...

  • Page 22

    22 3m™ microtouch™ controller ex usb reference guide 3m touch systems, inc. Proprietary information -- 29489v05 offset field size value description 7 reserved 2 0xxxxx reserved 9 extended poc status 2 0xxxxx additional power on check status 11 reserved 9 9 bytes reserved poc status – the status of t...

  • Page 23

    3m™ microtouch™ controller ex usb reference guide 23 3m touch systems, inc. Proprietary information -- 29489v05 table 13. Extended poc status bit number description 0 corner drive offset level is too high 1 fixed 2-point calibration error high 2 - 15 reserved reset request 7 this is a request to per...

  • Page 24

    24 3m™ microtouch™ controller ex usb reference guide 3m touch systems, inc. Proprietary information -- 29489v05 the host should issue status and id requests after the reset has completed to verify whether this request was handled properly by the device. The status request should be used to determine...

  • Page 25

    3m™ microtouch™ controller ex usb reference guide 25 3m touch systems, inc. Proprietary information -- 29489v05 controller id request 10 this is a request to send various pieces of information that identify the controller, including the controller type and firmware revision level. The key use for th...

  • Page 26

    26 3m™ microtouch™ controller ex usb reference guide 3m touch systems, inc. Proprietary information -- 29489v05 table 17. Expanded controller id report offset field size value description 0 report id 1 0x0c report id number 1 controller type 2 0xxxxx indicates the type of controller 3 fw major revis...

  • Page 27

    3m™ microtouch™ controller ex usb reference guide 27 3m touch systems, inc. Proprietary information -- 29489v05 read parameter request 16 this is a request to send the contents of a parameter via the control endpoint. This is a one-time transfer of data. The request is used to access data in the con...

  • Page 28

    28 3m™ microtouch™ controller ex usb reference guide 3m touch systems, inc. Proprietary information -- 29489v05 response the parameter data is sent to the host in a parameter data report. All parameter data is treated as if it were stored as bytes. This means that multi-byte values will be sent msb ...

  • Page 29

    3m™ microtouch™ controller ex usb reference guide 29 3m touch systems, inc. Proprietary information -- 29489v05 appendix a ex121 controller specifications this section provides controller specifications such as power requirements, environmental requirements, and cable connectors. The ex121 controlle...

  • Page 30

    30 3m™ microtouch™ controller ex usb reference guide 3m touch systems, inc. Proprietary information -- 29489v05 the following figures show the overall dimensions of the ex121 controller and the locations of the mounting holes and connectors. Figure 1 ex121 overall dimensions figure 2 cased ex121 tou...

  • Page 31

    3m™ microtouch™ controller ex usb reference guide 31 3m touch systems, inc. Proprietary information -- 29489v05 technical specifications the controller specifications listed below were validated in test systems containing 3m touch systems components. These specifications may not be valid if configur...

  • Page 32

    32 3m™ microtouch™ controller ex usb reference guide 3m touch systems, inc. Proprietary information -- 29489v05 ambient operating and storage environmental conditions note: all humidity is non-condensing operating temperature range -40 c to +70 c operating humidity range ≥ 36 c (refer to figure 4) s...

  • Page 33

    3m™ microtouch™ controller ex usb reference guide 33 3m touch systems, inc. Proprietary information -- 29489v05 appendix b ex111 controller specifications this section provides controller specifications such as power requirements, environmental requirements, and cable connectors. The ex111 controlle...

  • Page 34

    34 3m™ microtouch™ controller ex usb reference guide 3m touch systems, inc. Proprietary information -- 29489v05 technical specifications the controller specifications listed below were validated in test systems containing 3m touch systems components. These specifications may not be valid if configur...

  • Page 35

    3m™ microtouch™ controller ex usb reference guide 35 3m touch systems, inc. Proprietary information -- 29489v05 ambient operating and storage environmental conditions note: all humidity is non-condensing operating temperature range -40 c to +70 c operating humidity range ≥ 36 c (refer to figure 4) s...

  • Page 36

    36 3m™ microtouch™ controller ex usb reference guide 3m touch systems, inc. Proprietary information -- 29489v05 figure 4 storage and operating temperature with humidity conditions.