<?xml version="1.0" encoding="utf-8"?>
<schema xmlns="http://www.w3.org/2001/XMLSchema">
  <choice maxOccurs="unbounded">
    <element name="Query">
      <complexType>
        <sequence>
          <!--  Query request command series is shown as follows.-->
          <!-- Command type: guard position information query (required) -->
          <element name="CmdType" fixed="HomePositionQuery"/>
          <!-- Command serial number (required) -->
          <element name="SN" type="integer" minInclusive="1"/>
          <!-- Target device code (required) -->
          <element name="DeviceID" type="deviceIDType"/>
        </sequence>
      </complexType>
    </element>
  </choice>
</schema>