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Hagstrom Electronics KE72-T User Manual

Pc keyboard encoder
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KE72 and KE72-T
PC Keyboard Encoder
User Manual

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Summary of Contents for Hagstrom Electronics KE72-T

  • Page 1 KE72 and KE72-T PC Keyboard Encoder User Manual...
  • Page 2 Thank you for purchasing the model KE72 Keyboard Encoder. HAGSTROM ELECTRONICS, INC. is pleased that you have selected this product for your application. The KE72 unit is configurable in a variety of ways in order to meet your specific requirements. Please take a few minutes to read this manual before using your KE72.

  • Page 3: Table Of Contents

    Using the KE72 Serial Port Appendix A - Specifications Appendix B - KE72 Input Interface Appendix C - KE72 Status LED Signals Appendix D - KE72-T Interface to Trackball Appendix E - KE72 Serial Connector Pinout Appendix F - Key Number Chart Accessories...

  • Page 4: Introduction To The Ke72

    PS/2 keyboard port. The KE72 appears as a keyboard to your computer system (and also a mouse with the KE72-T). The response to the activation of any of the 72 Individual inputs on the KE72 may be programmed to emulate a key or sequence of keys found on a standard PC keyboard.

  • Page 5: Connection To The Computer

    KE72 connector marked “PC” to the PS/2 keyboard port on the computer. Plug the system keyboard into the KE72 port marked “KBD”. The KE72-T additionally connects to the computer’s PS/2 mouse port with the same Male/Male PS/2 style cable. Use the serial port on the KE72 for serial data to keystroke translation or for serial loading of the KE72 configuration.

  • Page 6: Interfacing To The Ke72 Input Headers

    Interfacing to the KE72 Input Headers The KE72 features two 2x20 headers for interface to switch input devices. One header provides access to inputs 1-36, while the second header contains inputs 37-72. The input headers are arranged with Grounds on the two pairs of end pins on the headers, and the 36 inputs on the pins between them.
  • Page 7 IOX36). See the Accessories page of this manual for details on the IOX36. The KE72-T features an Input Header for connection of a Trackball or Spinner. The KE72-T also provides a header for connection of buttons to emulate the Left, Right and Middle PS/2 Mouse buttons.

  • Page 8: Creating A Ke72 Configuration File

    Creating a KE72 Confi guration File The KE72 is programmed by a configuration file which is a simple text file created by the user that tells the unit what responses to generate for activity on each of the KE72 inputs. This configuration file is loaded into the KE72 by use of the utlility programs included with the KE72 and detailed in the next section of the manual.
  • Page 9 following line demonstrates programming a multiple key response to an input. IN43:[D] [I] [R] [ENTER] The above line in the text file will program input #43 to send a sequence of “DIR” followed by the Enter key each time the input is activated.
  • Page 10 (-) This option indicates that a “break” or release of the key is to be done. Use this function to give the appearance of a key being released. ex: [(-)Ctrl] will emulate the deactivation of the Ctrl key. Using the (+) and (-), the following line, IN01:[(+)Ctrl] [F1] [(-)Ctrl] will result in the Ctrl key being held on, the F1 key being pressed and released, followed by the release of the Ctrl key.
  • Page 11 while the input is held active. The rate at which the input will repeat is the same rate dictated by the system to the keyboard. <S> Use this delimeter to send the input response to the serial port instead of emulating keystrokes. The sample.txt file included on the KE72 CD provides extended examples of the serial port function.
  • Page 12 [F7] F7 key [F8] F8 key [F9] F9 key [F10] = F10 key [F11] = F11 key [F12] = F12 key [Space]= Space Bar Space Bar [Print] = Print Screen [Scroll] = Scroll Lock [Pause] = Pause/Break [Num] = Num Lock [Insert] = Insert Key [Home]=...

  • Page 13: Special Programming Options

    The KE72-T Trackball header accepts a wide variety of Trackball devices. In order to provide the most in the way of compatibility, the KE72-T allows for the reversal of the direction of movement from either the “X” (side to side) axis and the “Y” (up and down) axis through simple settings in the configuration file.
  • Page 14 IN56:<R>[M] Repeat the M key if the input is held active IN06:[G] Input definitions can be in any order. IN06|[H] Set input 6 to send G when activated and H when released REVX:Y Reverse the response of the X axis of the Trackball for the KE72-T End of File...

  • Page 15: Loading A Configuration File To The Ke72

    Loading a Confi guration File to the KE72 The KE72 is supplied with two load programs. The KE72LOAD.EXE found in the root folder of the supplied CD is for use in Windows based operating systems. The KE72LOAD.EXE file found in the KE72DOS folder is used for DOS based systems.
  • Page 16 Example: KE72LOAD sample.txt k The command line above will load the configuration contained in the file “sample.txt” to the KE72 through the PC keyboard port. The options for <port> are the following: - Keyboard port - Use Com 1 to load the configuration - Use Com 2 to load the configuration - Use Com 3 to load the configuration (Win version) - Use Com 4 to load the configuration (Win version)

  • Page 17: Using The Ke72 Serial Port

    Using the KE72 Serial Port Responses from the activation of inputs may be directed to the serial port instead of producing keystrokes as described in the earlier configuration file section. In addition to that function, the KE72 serial port may be used in several other modes as well. Serial Data to Keystroke Modes - The KE72 features two different serial data to keystroke conversion modes.
  • Page 18 message to prevent a stuck key. The KE72 responds with a “!” character after each byte is received in this mode. Always wait for the “!” acknowledgement before sending additional communication to the serial port. NOTE: Serial data in and out of the KE72 serial port is always at 9600 Baud, 8 bit characters, No Parity, and one stop bit.
  • Page 19 the 0XC5 command represents the state of the first 8 inputs (bit 0 = Input1, bit 1 = Input2..), and the second byte is the state of inputs 9-16 etc. The 9th byte sent in response to the command is the status of inputs 65-72 (Bit 7 = Input 72 state).

  • Page 20: Appendix A - Specifications

    Appendix A: Specifi cations 5.50 4.20 .125 Dia (4) Note: All dimensions are in inches. Operating Voltage 5 Volts DC +/-5%, Supplied from PS/2 port. Operating Current 80 ma Typical Operating 0 to 70 Degrees C Temperature Input Header 72 individual inputs divided between two 2 x 20 headers.

  • Page 21: Appendix B: Ke72 Input Interface

    Appendix B: KE72 Input Interface The KE72 is configured as 72 individual inputs, which are activated by shorting them to the common Ground provided on the input headers. Since these inputs are individual, they are completely separate, and cannot produce “ghosting” as in a matrix application.

  • Page 22: Appendix C: Ke72 Status Led Signals

    Appendix C: KE72 Status LED Signals GND Scroll Num Caps unused 5V Typical LED Circuit for use with the KE72 KE72 LED Signal (Caps, Num, or Scroll) 470 Ohm Keyboard status light drive is available with the KE72. The unit provides a connection point for the Num Lock, Caps Lock, and Scroll Lock status LEDs.

  • Page 23: Appendix D - Ke72-T Interface To Trackball

    The KE72-T features an interface connector which accepts optical signals from a device such as a Spinner or a Trackball. Power is supplied to the trackball interface from the KE72-T for 5 volt operation only. This interface is compatible with most popular active or passive Trackballs and Spinners currently on the market.

  • Page 24: Appendix F - Key Number Chart

    Appendix F: Key Number Table Make Break Make Break Make Break R Arrow NumLock 7 (Num) 4 (Num) ‘“ 1 (Num) Enter / (Num) L Shift 8 (Num) 7& 5 (Num) 2 (Num) 0 (Num) * (Num) 9 (Num) 6 (Num) 3 (Num) ,<...

  • Page 25: Accessories

    IDE cable (included). Each input is brought out to a separate, labeled, screw terminal. Use for solderless connection to the KE72 and KE72-T. KE-TBH3 Trackball interface cable. This cable attaches the KE72-T Trackball input to the Trackball itself.

  • Page 26: Custom Options

    Custom KE72 Options We offer custom and special modifications to our standard KE72 unit to conform to your exact specifications. We can add special features such as output controls and display interfaces, just to name a few. Give us a call to discuss your custom requirements. Special Output Controls LCD Interface LED Interface...
  • Page 27 Warranty HAGSTROM ELECTRONICS, INC. warrants this product against defects in material or workmanship for a period of ONE YEAR from the original purchase date. We will repair or replace (at our option) the returned defective unit at no charge during this warranty period.
  • Page 28 HAGSTROM ELECTRONICS, INC. Toll Free 888-690-9080 Phone: (540) 465-4677 Fax: (540) 465-4678 Monday through Friday, 8:00 am to 5:00 pm (EST) sales@hagstromelectronics.com www.hagstromelectronics.com 1986 Junction Road, Strasburg, VA 22657 Copyright © 2017 HAGSTROM ELECTRONICS, INC. V. 08.16...

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