Home featured Velleman USB K8055 DIY interface

Velleman USB K8055 DIY interface

Published on 17. March 2012

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    Notice: this interface is not designed as a simulator electric motor control, it is designed as hydraulic or pneumatic  valve control! Do use PID controllers for electric motors.
    The K8055 interface board has 5 digital input channels and 8 digital output channels. In addition, there are two analogue inputs and two analogue outputs with 8 bit resolution. The number of inputs/outputs can be further expanded by connecting more (up to a maximum of four) cards to the PC’s USB connectors. All communication routines are contained in a Dynamic Link Library (DLL). You may write custom Windows (98SE, 2000, Me, XP) applications in Delphi, Visual Basic, C++ Builder or any other 32-bit Windows application development tool that supports calls to a DLL.

    o separate output / input test
    o clear all / set all function
    o counter function on inputs 1 and 2 with adjustable debounce (max 2kHz depends on total I/O load)
    o analogue output set sliders
    o analogue input bar-graph indication
    * minimum system requirements:
    o Pentium class CPU
    o USB1.0 or higher connection
    o Windows 98SE or higher (Win NT excluded)
    o CD ROM player and mouse
    * also available in mounted version: VM110


    * 5 digital inputs (0= ground, 1= open) (on board test buttons provided)
    * 2 analogue inputs with attenuation and amplification option (internal test +5V provided)
    * 8 digital open collector output switches (max. 50V/100mA) (on board LED indication)
    * 2 analogue outputs:
    o 0 to 5V, output resistance 1K5
    o PWM 0 to 100% open collector outputs max 100mA / 40V (on board LED indication)
    * general conversion time: 20ms per command
    * power supply through USB: approx. 70mA
    * dimensions: 145 x 88 x 20mm / 5.7 x 3 x 0.8″


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