QUATECH, INC.

DM12-10

Category               Digital to analog signal converter
Chipset Controller     Unidentified
I /O Options Supported Digital signal input via module connector
Maximum Onboard Memory N/A

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                                CONNECTIONS

        Purpose           Location           Purpose           Location

    Output connector         H1           Potentiometer:          P2
                                       channel 0 gain adjust

     Expansion card          H2           Potentiometer:          P3
       connector                         channel 1 offset
                                              adjust

     Potentiometer:          P1           Potentiometer:          P4
    channel 0 offset                   channel 2 gain adjust
         adjust

                          CHANNEL 0 OUTPUT SIGNAL

                » Setting                                J1

  »            Bipolar/-5 to 5V               Pins 2 & 9, 5 & 6 closed

  »          Bipolar/-2.5 to 2.5V              Pins 2 & 9, 3 & 8, 5 & 6
                                                       closed

  »               Bipolar/10V                 Pins 3 & 4, 2 & 9 closed

  »            Unipolar/0 to 5V               Pins 1 & 10, 3 & 8, 5 & 6
                                                       closed

  »            Unipolar/0 to 10V              Pins 5 & 6, 1 & 10 closed

                          CHANNEL 1 OUTPUT SIGNAL

                » Setting                                J2

  »            Bipolar/-5 to 5V               Pins 2 & 9, 5 & 6 closed

  »          Bipolar/-2.5 to 2.5V              Pins 2 & 9, 3 & 8, 5 & 6
                                                       closed

  »               Bipolar/10V                 Pins 3 & 4, 2 & 9 closed

  »            Unipolar/0 to 5V               Pins 1 & 10, 3 & 8, 5 & 6
                                                       closed

  »            Unipolar/0 to 10V              Pins 5 & 6, 1 & 10 closed

  FACTORY CONFIGURED SETTINGS

     Jumper         Setting

       J3             N/A

                       MISCELLANEOUS TECHNICAL NOTES

      The DM12-10 is a modular daughter-card designed to work with the
                        Quatech PXB-721 or MXI-241.

   Channel 0 output is taken from pins 1, 2, or 3 of header H1. Channel 1
  output is taken from pins 5, 6, or 7 of header H1. The rest of the pins
                        of header H1 are grounded.