Simple Example Device Class File

<device pid="9FFFFF1E284A1101" name="Simple Lamp Module" type="simple" brand="Test">
  <attributes>   
    <attribute name="state">
      <nvs>
        <nv index="0" direction="input" />
        <nv index="2" direction="output" />
      </nvs>
    </attribute>
    <attribute name="power">
      <nvs>
        <nv index="5" direction="output" />
      </nvs>
    </attribute>  
  </attributes>
  <nvs>
    <nv index="0" direction="input" size="3" type="switch_2">
      <byte index="0" length="1">       
        <attribute name="state" enum="true">
          <enum input="off" output="0" />
          <enum input="on" output="1" />
        </attribute>
      </byte>
      <byte index="1" length="1">       
        <attribute name="state" enum="true">
          <enum input="off" output="0" />
          <enum input="on" output="200" />
        </attribute>
      </byte>
    </nv>
    <nv index="2" direction="output" size="3" type="switch_2">
      <byte index="0">
        <attribute name="state" enum="true" scale="100">
          <enum input="2" output="off" />
          <enum input="3" output="on" />
        </attribute>
      </byte>    
    </nv>
    <nv index="5" direction="output" size="2" type="power">
      <byte index="0">
        <attribute name="power" scale="10" length="2" />
      </byte>
    </nv>   
  </nvs>
</device>