MTConnectDevices_1.1.xsd

<?xml version='1.0' encoding='UTF-8'?>
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<xs:schema targetNamespace='urn:mtconnect.org:MTConnectDevices:1.1' elementFormDefault='qualified' attributeFormDefault='unqualified' xmlns:xs='http://www.w3.org/2001/XMLSchema' xmlns:mt='urn:mtconnect.org:MTConnectDevices:1.1' xmlns='urn:mtconnect.org:MTConnectDevices:1.1'>
  <xs:element name='MTConnectDevices' type='MTConnectDevicesType'>
    <xs:annotation>
      <xs:documentation>
        The root node for MTConnect
      </xs:documentation>
    </xs:annotation>
  </xs:element>
  <xs:simpleType name='SenderType'>
    <xs:annotation>
      <xs:documentation>
        The sender of the message
      </xs:documentation>
    </xs:annotation>
    <xs:restriction base='xs:string'/>
  </xs:simpleType>
  <xs:simpleType name='CreationTimeType'>
    <xs:annotation>
      <xs:documentation>
        The date and time the document was created
      </xs:documentation>
    </xs:annotation>
    <xs:restriction base='xs:dateTime'/>
  </xs:simpleType>
  <xs:simpleType name='SequenceType'>
    <xs:annotation>
      <xs:documentation>
        A sequence number
      </xs:documentation>
    </xs:annotation>
    <xs:restriction base='xs:integer'/>
  </xs:simpleType>
  <xs:simpleType name='TestIndicatorType'>
    <xs:annotation>
      <xs:documentation>
        A debugging flag for testing.
      </xs:documentation>
    </xs:annotation>
    <xs:restriction base='xs:boolean'/>
  </xs:simpleType>
  <xs:simpleType name='InstanceIdType'>
    <xs:annotation>
      <xs:documentation>
        The instance number of the agent, used for fault tolerance
      </xs:documentation>
    </xs:annotation>
    <xs:restriction base='xs:string'/>
  </xs:simpleType>
  <xs:simpleType name='BufferSizeType'>
    <xs:annotation>
      <xs:documentation>
        The size of the agents buffer
      </xs:documentation>
    </xs:annotation>
    <xs:restriction base='xs:integer'/>
  </xs:simpleType>
  <xs:simpleType name='VersionType'>
    <xs:annotation>
      <xs:documentation>
        A version number
      </xs:documentation>
    </xs:annotation>
    <xs:restriction base='xs:NMTOKEN'/>
  </xs:simpleType>
  <xs:simpleType name='NameType'>
    <xs:annotation>
      <xs:documentation>
        A short name for any element
      </xs:documentation>
    </xs:annotation>
    <xs:restriction base='xs:string'/>
  </xs:simpleType>
  <xs:simpleType name='UuidType'>
    <xs:annotation>
      <xs:documentation>
        A universally unique id that uniquely identifies the element for
        it&apos;s entire life
      </xs:documentation>
    </xs:annotation>
    <xs:restriction base='xs:string'/>
  </xs:simpleType>
  <xs:simpleType name='SerialNumberType'>
    <xs:annotation>
      <xs:documentation>
        A serial number for a piece of equipment
      </xs:documentation>
    </xs:annotation>
    <xs:restriction base='xs:string'/>
  </xs:simpleType>
  <xs:simpleType name='ItemSourceType'>
    <xs:annotation>
      <xs:documentation>
        The measurement source
      </xs:documentation>
    </xs:annotation>
    <xs:restriction base='xs:string'/>
  </xs:simpleType>
  <xs:simpleType name='RateType'>
    <xs:annotation>
      <xs:documentation>
        A sample rate in milliseconds per sample
      </xs:documentation>
    </xs:annotation>
    <xs:restriction base='xs:float'/>
  </xs:simpleType>
  <xs:simpleType name='IDType'>
    <xs:annotation>
      <xs:documentation>
        An identifier
      </xs:documentation>
    </xs:annotation>
    <xs:restriction base='xs:ID'/>
  </xs:simpleType>
  <xs:simpleType name='DescriptionTextType'>
    <xs:annotation>
      <xs:documentation>
        A description
      </xs:documentation>
    </xs:annotation>
    <xs:restriction base='xs:string'/>
  </xs:simpleType>
  <xs:simpleType name='DataItemExtType'>
    <xs:annotation>
      <xs:documentation>
        An extension point for data item types
      </xs:documentation>
    </xs:annotation>
    <xs:restriction base='xs:string'>
      <xs:pattern value='[a-ln-z]:[A-Z_0-9]+'/>
    </xs:restriction>
  </xs:simpleType>
  <xs:simpleType name='DataItemEnumTypeEnum'>
    <xs:annotation>
      <xs:documentation>
        The types of measurements available
      </xs:documentation>
    </xs:annotation>
    <xs:restriction base='xs:string'>
      <xs:enumeration value='ACCELERATION'/>
      <xs:enumeration value='ACTIVE_AXES'/>
      <xs:enumeration value='ALARM'/>
      <xs:enumeration value='AMPERAGE'/>
      <xs:enumeration value='ANGLE'/>
      <xs:enumeration value='ANGULAR_ACCELERATION'/>
      <xs:enumeration value='ANGULAR_VELOCITY'/>
      <xs:enumeration value='AVAILABILITY'/>
      <xs:enumeration value='BLOCK'/>
      <xs:enumeration value='CODE'/>
      <xs:enumeration value='DISPLACEMENT'/>
      <xs:enumeration value='DIRECTION'/>
      <xs:enumeration value='DOOR_STATE'/>
      <xs:enumeration value='EMERGENCY_STOP'/>
      <xs:enumeration value='EXECUTION'/>
      <xs:enumeration value='FREQUENCY'/>
      <xs:enumeration value='PART_COUNT'/>
      <xs:enumeration value='PART_ID'/>
      <xs:enumeration value='PATH_FEEDRATE'/>
      <xs:enumeration value='PATH_POSITION'/>
      <xs:enumeration value='AXIS_FEEDRATE'/>
      <xs:enumeration value='PATH_MODE'/>
      <xs:enumeration value='LINE'/>
      <xs:enumeration value='CONTROLLER_MODE'/>
      <xs:enumeration value='LOAD'/>
      <xs:enumeration value='MESSAGE'/>
      <xs:enumeration value='POSITION'/>
      <xs:enumeration value='POWER_STATUS'/>
      <xs:enumeration value='POWER_STATE'/>
      <xs:enumeration value='PRESSURE'/>
      <xs:enumeration value='PROGRAM'/>
      <xs:enumeration value='ROTARY_MODE'/>
      <xs:enumeration value='COUPLED_AXES'/>
      <xs:enumeration value='AXIS_COUPLING'/>
      <xs:enumeration value='SPINDLE_SPEED'/>
      <xs:enumeration value='TEMPERATURE'/>
      <xs:enumeration value='TORQUE'/>
      <xs:enumeration value='TOOL_ID'/>
      <xs:enumeration value='VELOCITY'/>
      <xs:enumeration value='VIBRATION'/>
      <xs:enumeration value='VOLTAGE'/>
      <xs:enumeration value='WATTAGE'/>
      <xs:enumeration value='WORKHOLDING_ID'/>
      <xs:enumeration value='COMMUNICATIONS'/>
      <xs:enumeration value='LOGIC_PROGRAM'/>
      <xs:enumeration value='MOTION_PROGRAM'/>
      <xs:enumeration value='HARDWARE'/>
      <xs:enumeration value='SYSTEM'/>
      <xs:enumeration value='LEVEL'/>
      <xs:enumeration value='ACTUATOR'/>
    </xs:restriction>
  </xs:simpleType>
  <xs:simpleType name='DataItemEnumType'>
    <xs:annotation>
      <xs:documentation>
        The types of measurements available
      </xs:documentation>
    </xs:annotation>
    <xs:union memberTypes='DataItemEnumTypeEnum DataItemExtType'/>
  </xs:simpleType>
  <xs:simpleType name='DataItemSubEnumTypeEnum'>
    <xs:annotation>
      <xs:documentation>
        The sub-types for a measurement
      </xs:documentation>
    </xs:annotation>
    <xs:restriction base='xs:string'>
      <xs:enumeration value='ACTUAL'/>
      <xs:enumeration value='COMMANDED'/>
      <xs:enumeration value='MAXIMUM'/>
      <xs:enumeration value='MINIMUM'/>
      <xs:enumeration value='OTHER'/>
      <xs:enumeration value='OVERRIDE'/>
      <xs:enumeration value='PROBE'/>
      <xs:enumeration value='TARGET'/>
      <xs:enumeration value='GOOD'/>
      <xs:enumeration value='BAD'/>
      <xs:enumeration value='ALL'/>
      <xs:enumeration value='LINE'/>
      <xs:enumeration value='CONTROL'/>
    </xs:restriction>
  </xs:simpleType>
  <xs:simpleType name='DataItemSubEnumType'>
    <xs:annotation>
      <xs:documentation>
        The sub-types for a measurement
      </xs:documentation>
    </xs:annotation>
    <xs:union memberTypes='DataItemSubEnumTypeEnum DataItemExtType'/>
  </xs:simpleType>
  <xs:complexType name='HeaderType'>
    <xs:annotation>
      <xs:documentation>
        Message header for protocol information
      </xs:documentation>
    </xs:annotation>
    <xs:simpleContent>
      <xs:extension base='xs:string'>
        <xs:attribute name='version' type='VersionType' use='required'/>
        <xs:attribute name='creationTime' type='CreationTimeType' use='required'/>
        <xs:attribute name='testIndicator' type='TestIndicatorType' use='optional'/>
        <xs:attribute name='instanceId' type='InstanceIdType' use='required'/>
        <xs:attribute name='sender' type='SenderType' use='required'/>
        <xs:attribute name='bufferSize' type='BufferSizeType' use='required'/>
      </xs:extension>
    </xs:simpleContent>
  </xs:complexType>
  <xs:complexType name='MTConnectDevicesType'>
    <xs:annotation>
      <xs:documentation>
        The root node for MTConnect
      </xs:documentation>
    </xs:annotation>
    <xs:sequence>
      <xs:element name='Header' type='HeaderType'>
        <xs:annotation>
          <xs:documentation>
            Protocol dependent information
          </xs:documentation>
        </xs:annotation>
      </xs:element>
      <xs:element name='Devices' type='DevicesType'>
        <xs:annotation>
          <xs:documentation>
            The equipment
          </xs:documentation>
        </xs:annotation>
      </xs:element>
    </xs:sequence>
  </xs:complexType>
  <xs:simpleType name='StationType'>
    <xs:annotation>
      <xs:documentation>
        The station id for this device
      </xs:documentation>
    </xs:annotation>
    <xs:restriction base='xs:string'/>
  </xs:simpleType>
  <xs:simpleType name='Iso841ClassType'>
    <xs:annotation>
      <xs:documentation>
        The ISO 841 classification for the device
      </xs:documentation>
    </xs:annotation>
    <xs:restriction base='xs:integer'/>
  </xs:simpleType>
  <xs:complexType name='DevicesType'>
    <xs:annotation>
      <xs:documentation>
        The top level components
      </xs:documentation>
    </xs:annotation>
    <xs:sequence>
      <xs:element name='Device' maxOccurs='unbounded' minOccurs='1' type='DeviceType'>
        <xs:annotation>
          <xs:documentation>
            A piece of equipment
          </xs:documentation>
        </xs:annotation>
      </xs:element>
    </xs:sequence>
  </xs:complexType>
  <xs:complexType name='ComponentType' abstract='true'>
    <xs:annotation>
      <xs:documentation>
        An abstract component type. This is a placeholder for all components
      </xs:documentation>
    </xs:annotation>
    <xs:sequence>
      <xs:element name='Description' maxOccurs='1' minOccurs='0' type='ComponentDescriptionType'>
        <xs:annotation>
          <xs:documentation>
            The descriptive information about this component
          </xs:documentation>
        </xs:annotation>
      </xs:element>
      <xs:element name='DataItems' maxOccurs='1' minOccurs='0' type='DataItemsType'>
        <xs:annotation>
          <xs:documentation>
            The component&apos;s Data Items
          </xs:documentation>
        </xs:annotation>
      </xs:element>
      <xs:element name='Components' maxOccurs='1' minOccurs='0' type='ComponentsType'>
        <xs:annotation>
          <xs:documentation>
            The sub components
          </xs:documentation>
        </xs:annotation>
      </xs:element>
    </xs:sequence>
    <xs:attribute name='id' type='IDType' use='required'/>
    <xs:attribute name='name' type='NameType' use='required'/>
    <xs:attribute name='nativeName' type='NameType' use='optional'/>
    <xs:attribute name='sampleRate' type='SampleRateType' use='optional'/>
  </xs:complexType>
  <xs:element name='Component' abstract='true' type='ComponentType'>
    <xs:annotation>
      <xs:documentation>
        An abstract component type. This is a placeholder for all components
      </xs:documentation>
    </xs:annotation>
  </xs:element>
  <xs:complexType name='ComponentDescriptionType'>
    <xs:annotation>
      <xs:documentation>
        The descriptive information for this component. This can be manufacturer
        specific
      </xs:documentation>
    </xs:annotation>
    <xs:simpleContent>
      <xs:extension base='DescriptionTextType'>
        <xs:attribute name='manufacturer' type='NameType' use='optional'/>
        <xs:attribute name='serialNumber' type='SerialNumberType' use='optional'/>
        <xs:attribute name='station' type='StationType' use='optional'/>
      </xs:extension>
    </xs:simpleContent>
  </xs:complexType>
  <xs:complexType name='CommonComponentType'>
    <xs:annotation>
      <xs:documentation>
        An abstract component that has an optional uuid
      </xs:documentation>
    </xs:annotation>
    <xs:complexContent>
      <xs:extension base='ComponentType'>
        <xs:attribute name='uuid' type='UuidType' use='optional'/>
      </xs:extension>
    </xs:complexContent>
  </xs:complexType>
  <xs:element name='CommonComponent' substitutionGroup='Component' type='CommonComponentType'>
    <xs:annotation>
      <xs:documentation>
        An abstract component that has an optional uuid
      </xs:documentation>
    </xs:annotation>
  </xs:element>
  <xs:complexType name='ComponentsType'>
    <xs:annotation>
      <xs:documentation>
        A list of generic components
      </xs:documentation>
    </xs:annotation>
    <xs:sequence>
      <xs:element maxOccurs='unbounded' minOccurs='1' ref='Component'/>
    </xs:sequence>
  </xs:complexType>
  <xs:complexType name='DeviceType'>
    <xs:annotation>
      <xs:documentation>
        The top level component managed by the agent
      </xs:documentation>
    </xs:annotation>
    <xs:complexContent>
      <xs:extension base='ComponentType'>
        <xs:attribute name='iso841Class' type='Iso841ClassType' use='optional'/>
        <xs:attribute name='uuid' type='UuidType' use='required'/>
      </xs:extension>
    </xs:complexContent>
  </xs:complexType>
  <xs:element name='Device' substitutionGroup='Component' type='DeviceType'>
    <xs:annotation>
      <xs:documentation>
        The top level component managed by the agent
      </xs:documentation>
    </xs:annotation>
  </xs:element>
  <xs:complexType name='ControllerType'>
    <xs:annotation>
      <xs:documentation>
        A controller
      </xs:documentation>
    </xs:annotation>
    <xs:complexContent>
      <xs:extension base='CommonComponentType'/>
    </xs:complexContent>
  </xs:complexType>
  <xs:element name='Controller' substitutionGroup='CommonComponent' type='ControllerType'>
    <xs:annotation>
      <xs:documentation>
        A controller
      </xs:documentation>
    </xs:annotation>
  </xs:element>
  <xs:complexType name='PowerType'>
    <xs:annotation>
      <xs:documentation>
        DEPRECATED: A power measuring component
      </xs:documentation>
    </xs:annotation>
    <xs:complexContent>
      <xs:extension base='CommonComponentType'/>
    </xs:complexContent>
  </xs:complexType>
  <xs:element name='Power' substitutionGroup='CommonComponent' type='PowerType'>
    <xs:annotation>
      <xs:documentation>
        DEPRECATED: A power measuring component
      </xs:documentation>
    </xs:annotation>
  </xs:element>
  <xs:complexType name='SensorType'>
    <xs:annotation>
      <xs:documentation>
        A sensor, this is not abstract to allow for easy extensibility.
      </xs:documentation>
    </xs:annotation>
    <xs:complexContent>
      <xs:extension base='CommonComponentType'/>
    </xs:complexContent>
  </xs:complexType>
  <xs:element name='Sensor' substitutionGroup='CommonComponent' type='SensorType'>
    <xs:annotation>
      <xs:documentation>
        A sensor, this is not abstract to allow for easy extensibility.
      </xs:documentation>
    </xs:annotation>
  </xs:element>
  <xs:complexType name='ThermostatType'>
    <xs:annotation>
      <xs:documentation>
        A thermostate
      </xs:documentation>
    </xs:annotation>
    <xs:complexContent>
      <xs:extension base='SensorType'/>
    </xs:complexContent>
  </xs:complexType>
  <xs:element name='Thermostat' substitutionGroup='Sensor' type='ThermostatType'>
    <xs:annotation>
      <xs:documentation>
        A thermostate
      </xs:documentation>
    </xs:annotation>
  </xs:element>
  <xs:complexType name='VibrationType'>
    <xs:annotation>
      <xs:documentation>
        A sensor for reading the vibration from a component
      </xs:documentation>
    </xs:annotation>
    <xs:complexContent>
      <xs:extension base='SensorType'/>
    </xs:complexContent>
  </xs:complexType>
  <xs:element name='Vibration' substitutionGroup='Sensor' type='VibrationType'>
    <xs:annotation>
      <xs:documentation>
        A sensor for reading the vibration from a component
      </xs:documentation>
    </xs:annotation>
  </xs:element>
  <xs:complexType name='PathType'>
    <xs:annotation>
      <xs:documentation>
        A path component
      </xs:documentation>
    </xs:annotation>
    <xs:complexContent>
      <xs:extension base='CommonComponentType'/>
    </xs:complexContent>
  </xs:complexType>
  <xs:element name='Path' substitutionGroup='CommonComponent' type='PathType'>
    <xs:annotation>
      <xs:documentation>
        A path component
      </xs:documentation>
    </xs:annotation>
  </xs:element>
  <xs:complexType name='ActuatorType'>
    <xs:annotation>
      <xs:documentation>
        A component that causes motion
      </xs:documentation>
    </xs:annotation>
    <xs:complexContent>
      <xs:extension base='CommonComponentType'/>
    </xs:complexContent>
  </xs:complexType>
  <xs:element name='Actuator' substitutionGroup='CommonComponent' type='ActuatorType'>
    <xs:annotation>
      <xs:documentation>
        A component that causes motion
      </xs:documentation>
    </xs:annotation>
  </xs:element>
  <xs:complexType name='DoorType'>
    <xs:annotation>
      <xs:documentation>
        A door on the machine
      </xs:documentation>
    </xs:annotation>
    <xs:complexContent>
      <xs:extension base='CommonComponentType'/>
    </xs:complexContent>
  </xs:complexType>
  <xs:element name='Door' substitutionGroup='CommonComponent' type='DoorType'>
    <xs:annotation>
      <xs:documentation>
        A door on the machine
      </xs:documentation>
    </xs:annotation>
  </xs:element>
  <xs:complexType name='AxesType'>
    <xs:annotation>
      <xs:documentation>
        A logical group of Axes representing a structural base
      </xs:documentation>
    </xs:annotation>
    <xs:complexContent>
      <xs:extension base='CommonComponentType'/>
    </xs:complexContent>
  </xs:complexType>
  <xs:element name='Axes' substitutionGroup='CommonComponent' type='AxesType'>
    <xs:annotation>
      <xs:documentation>
        A logical group of Axes representing a structural base
      </xs:documentation>
    </xs:annotation>
  </xs:element>
  <xs:complexType name='AxisType' abstract='true'>
    <xs:annotation>
      <xs:documentation>
        A abstract machine axis
      </xs:documentation>
    </xs:annotation>
    <xs:complexContent>
      <xs:extension base='CommonComponentType'/>
    </xs:complexContent>
  </xs:complexType>
  <xs:element name='Axis' abstract='true' substitutionGroup='CommonComponent' type='AxisType'>
    <xs:annotation>
      <xs:documentation>
        A abstract machine axis
      </xs:documentation>
    </xs:annotation>
  </xs:element>
  <xs:complexType name='LinearType'>
    <xs:annotation>
      <xs:documentation>
        A linear axis
      </xs:documentation>
    </xs:annotation>
    <xs:complexContent>
      <xs:extension base='AxisType'/>
    </xs:complexContent>
  </xs:complexType>
  <xs:element name='Linear' substitutionGroup='Axis' type='LinearType'>
    <xs:annotation>
      <xs:documentation>
        A linear axis
      </xs:documentation>
    </xs:annotation>
  </xs:element>
  <xs:complexType name='RotaryType'>
    <xs:annotation>
      <xs:documentation>
        A rotary axis that moves in a rotational manor
      </xs:documentation>
    </xs:annotation>
    <xs:complexContent>
      <xs:extension base='AxisType'/>
    </xs:complexContent>
  </xs:complexType>
  <xs:element name='Rotary' substitutionGroup='Axis' type='RotaryType'>
    <xs:annotation>
      <xs:documentation>
        A rotary axis that moves in a rotational manor
      </xs:documentation>
    </xs:annotation>
  </xs:element>
  <xs:complexType name='SpindleType'>
    <xs:annotation>
      <xs:documentation>
        DEPRECATED: A spindle axis that spins
      </xs:documentation>
    </xs:annotation>
    <xs:complexContent>
      <xs:extension base='AxisType'/>
    </xs:complexContent>
  </xs:complexType>
  <xs:element name='Spindle' substitutionGroup='Axis' type='SpindleType'>
    <xs:annotation>
      <xs:documentation>
        DEPRECATED: A spindle axis that spins
      </xs:documentation>
    </xs:annotation>
  </xs:element>
  <xs:complexType name='SystemsType'>
    <xs:annotation>
      <xs:documentation>
        A grouping of all the systems of the device
      </xs:documentation>
    </xs:annotation>
    <xs:complexContent>
      <xs:extension base='CommonComponentType'/>
    </xs:complexContent>
  </xs:complexType>
  <xs:element name='Systems' substitutionGroup='CommonComponent' type='SystemsType'>
    <xs:annotation>
      <xs:documentation>
        A grouping of all the systems of the device
      </xs:documentation>
    </xs:annotation>
  </xs:element>
  <xs:complexType name='SystemType'>
    <xs:annotation>
      <xs:documentation>
        A logical group of parts representing sub-system of the device
      </xs:documentation>
    </xs:annotation>
    <xs:complexContent>
      <xs:extension base='CommonComponentType'/>
    </xs:complexContent>
  </xs:complexType>
  <xs:element name='System' substitutionGroup='CommonComponent' type='SystemType'>
    <xs:annotation>
      <xs:documentation>
        A logical group of parts representing sub-system of the device
      </xs:documentation>
    </xs:annotation>
  </xs:element>
  <xs:complexType name='PneumaticType'>
    <xs:annotation>
      <xs:documentation>
        A component representing the pneumatic system
      </xs:documentation>
    </xs:annotation>
    <xs:complexContent>
      <xs:extension base='SystemType'/>
    </xs:complexContent>
  </xs:complexType>
  <xs:element name='Pneumatic' substitutionGroup='System' type='PneumaticType'>
    <xs:annotation>
      <xs:documentation>
        A component representing the pneumatic system
      </xs:documentation>
    </xs:annotation>
  </xs:element>
  <xs:complexType name='HydraulicType'>
    <xs:annotation>
      <xs:documentation>
        A component representing the hydraulic system
      </xs:documentation>
    </xs:annotation>
    <xs:complexContent>
      <xs:extension base='SystemType'/>
    </xs:complexContent>
  </xs:complexType>
  <xs:element name='Hydraulic' substitutionGroup='System' type='HydraulicType'>
    <xs:annotation>
      <xs:documentation>
        A component representing the hydraulic system
      </xs:documentation>
    </xs:annotation>
  </xs:element>
  <xs:complexType name='LubricationType'>
    <xs:annotation>
      <xs:documentation>
        A component representing the lubrication system
      </xs:documentation>
    </xs:annotation>
    <xs:complexContent>
      <xs:extension base='SystemType'/>
    </xs:complexContent>
  </xs:complexType>
  <xs:element name='Lubrication' substitutionGroup='System' type='LubricationType'>
    <xs:annotation>
      <xs:documentation>
        A component representing the lubrication system
      </xs:documentation>
    </xs:annotation>
  </xs:element>
  <xs:complexType name='CoolantType'>
    <xs:annotation>
      <xs:documentation>
        A component representing the coolant system
      </xs:documentation>
    </xs:annotation>
    <xs:complexContent>
      <xs:extension base='SystemType'/>
    </xs:complexContent>
  </xs:complexType>
  <xs:element name='Coolant' substitutionGroup='System' type='CoolantType'>
    <xs:annotation>
      <xs:documentation>
        A component representing the coolant system
      </xs:documentation>
    </xs:annotation>
  </xs:element>
  <xs:complexType name='ElectricType'>
    <xs:annotation>
      <xs:documentation>
        A component representing the coolant system
      </xs:documentation>
    </xs:annotation>
    <xs:complexContent>
      <xs:extension base='SystemType'/>
    </xs:complexContent>
  </xs:complexType>
  <xs:element name='Electric' substitutionGroup='System' type='ElectricType'>
    <xs:annotation>
      <xs:documentation>
        A component representing the coolant system
      </xs:documentation>
    </xs:annotation>
  </xs:element>
  <xs:simpleType name='SampleRateType'>
    <xs:annotation>
      <xs:documentation>
        The rate a measurement is sampled
      </xs:documentation>
    </xs:annotation>
    <xs:restriction base='xs:float'/>
  </xs:simpleType>
  <xs:simpleType name='DataItemOptionType'>
    <xs:annotation>
      <xs:documentation>
        The constrained value for this data item
      </xs:documentation>
    </xs:annotation>
    <xs:restriction base='xs:string'/>
  </xs:simpleType>
  <xs:simpleType name='DataItemValueType'>
    <xs:annotation>
      <xs:documentation>
        The constrained value for this data item
      </xs:documentation>
    </xs:annotation>
    <xs:restriction base='xs:string'/>
  </xs:simpleType>
  <xs:simpleType name='SignificantDigitsValueType'>
    <xs:annotation>
      <xs:documentation>
        The number significant digits
      </xs:documentation>
    </xs:annotation>
    <xs:restriction base='xs:integer'/>
  </xs:simpleType>
  <xs:simpleType name='CategoryType'>
    <xs:annotation>
      <xs:documentation>
        The measurement sampling type
      </xs:documentation>
    </xs:annotation>
    <xs:restriction base='xs:string'>
      <xs:enumeration value='EVENT'/>
      <xs:enumeration value='SAMPLE'/>
      <xs:enumeration value='CONDITION'/>
    </xs:restriction>
  </xs:simpleType>
  <xs:simpleType name='NativeScaleType'>
    <xs:annotation>
      <xs:documentation>
        The multiplier for the native value. Conversion divides by this value
      </xs:documentation>
    </xs:annotation>
    <xs:restriction base='xs:float'/>
  </xs:simpleType>
  <xs:simpleType name='UnitsExtType'>
    <xs:annotation>
      <xs:documentation>
        An extension point for data item types
      </xs:documentation>
    </xs:annotation>
    <xs:restriction base='xs:string'>
      <xs:pattern value='x:[A-Z_0-9]+'/>
    </xs:restriction>
  </xs:simpleType>
  <xs:simpleType name='UnitsTypeEnum'>
    <xs:annotation>
      <xs:documentation>
        The units supported
      </xs:documentation>
    </xs:annotation>
    <xs:restriction base='xs:string'>
      <xs:enumeration value='AMPERE'/>
      <xs:enumeration value='CELSIUS'/>
      <xs:enumeration value='COUNT'/>
      <xs:enumeration value='DEGREE'/>
      <xs:enumeration value='DEGREE/SECOND'/>
      <xs:enumeration value='DEGREE/SECOND^2'/>
      <xs:enumeration value='HERTZ'/>
      <xs:enumeration value='JOULE'/>
      <xs:enumeration value='KILOGRAM'/>
      <xs:enumeration value='LITER'/>
      <xs:enumeration value='LITER/SECOND'/>
      <xs:enumeration value='MILLIMETER'/>
      <xs:enumeration value='MILLIMETER/SECOND'/>
      <xs:enumeration value='MILLIMETER/SECOND^2'/>
      <xs:enumeration value='MILLIMETER_3D'/>
      <xs:enumeration value='NEWTON'/>
      <xs:enumeration value='NEWTON_METER'/>
      <xs:enumeration value='PASCAL'/>
      <xs:enumeration value='PERCENT'/>
      <xs:enumeration value='PH'/>
      <xs:enumeration value='REVOLUTION/MINUTE'/>
      <xs:enumeration value='SECOND'/>
      <xs:enumeration value='VOLT'/>
      <xs:enumeration value='WATT'/>
    </xs:restriction>
  </xs:simpleType>
  <xs:simpleType name='UnitsType'>
    <xs:annotation>
      <xs:documentation>
        The units supported
      </xs:documentation>
    </xs:annotation>
    <xs:union memberTypes='UnitsTypeEnum UnitsExtType'/>
  </xs:simpleType>
  <xs:simpleType name='NativeUnitsTypeEnum'>
    <xs:annotation>
      <xs:documentation>
        The units supported for the source equipment that can be converted into
        MTC Units.
      </xs:documentation>
    </xs:annotation>
    <xs:restriction base='xs:string'>
      <xs:enumeration value='AMPERE'/>
      <xs:enumeration value='CELSIUS'/>
      <xs:enumeration value='COUNT'/>
      <xs:enumeration value='DEGREE'/>
      <xs:enumeration value='DEGREE/SECOND'/>
      <xs:enumeration value='DEGREE/SECOND^2'/>
      <xs:enumeration value='HERTZ'/>
      <xs:enumeration value='JOULE'/>
      <xs:enumeration value='KILOGRAM'/>
      <xs:enumeration value='LITER'/>
      <xs:enumeration value='LITER/SECOND'/>
      <xs:enumeration value='MILLIMETER'/>
      <xs:enumeration value='MILLIMETER/SECOND'/>
      <xs:enumeration value='MILLIMETER/SECOND^2'/>
      <xs:enumeration value='MILLIMETER_3D'/>
      <xs:enumeration value='NEWTON'/>
      <xs:enumeration value='NEWTON_METER'/>
      <xs:enumeration value='PASCAL'/>
      <xs:enumeration value='PERCENT'/>
      <xs:enumeration value='PH'/>
      <xs:enumeration value='REVOLUTION/MINUTE'/>
      <xs:enumeration value='SECOND'/>
      <xs:enumeration value='VOLT'/>
      <xs:enumeration value='WATT'/>
      <xs:enumeration value='DEGREE/MINUTE'/>
      <xs:enumeration value='FAHRENHEIT'/>
      <xs:enumeration value='FOOT'/>
      <xs:enumeration value='FOOT/MINUTE'/>
      <xs:enumeration value='FOOT/SECOND'/>
      <xs:enumeration value='FOOT/SECOND^2'/>
      <xs:enumeration value='FOOT_3D'/>
      <xs:enumeration value='GALLON/MINUTE'/>
      <xs:enumeration value='INCH'/>
      <xs:enumeration value='INCH/MINUTE'/>
      <xs:enumeration value='INCH/SECOND'/>
      <xs:enumeration value='INCH/SECOND^2'/>
      <xs:enumeration value='INCH_3D'/>
      <xs:enumeration value='KILOWATT'/>
      <xs:enumeration value='KILOWATT_HOUR'/>
      <xs:enumeration value='MILLIMETER/MINUTE'/>
      <xs:enumeration value='OTHER'/>
      <xs:enumeration value='POUND'/>
      <xs:enumeration value='POUND/INCH^2'/>
      <xs:enumeration value='RADIAN'/>
      <xs:enumeration value='RADIAN/MINUTE'/>
      <xs:enumeration value='RADIAN/SECOND'/>
      <xs:enumeration value='RADIAN/SECOND^2'/>
      <xs:enumeration value='REVOLUTION/SECOND'/>
    </xs:restriction>
  </xs:simpleType>
  <xs:simpleType name='NativeUnitsType'>
    <xs:annotation>
      <xs:documentation>
        The units supported for the source equipment that can be converted into
        MTC Units.
      </xs:documentation>
    </xs:annotation>
    <xs:union memberTypes='NativeUnitsTypeEnum UnitsExtType'/>
  </xs:simpleType>
  <xs:simpleType name='CoordinateSystemType'>
    <xs:annotation>
      <xs:documentation>
        The coordinate system to be used for the position
      </xs:documentation>
    </xs:annotation>
    <xs:restriction base='xs:string'>
      <xs:enumeration value='MACHINE'/>
      <xs:enumeration value='WORK'/>
    </xs:restriction>
  </xs:simpleType>
  <xs:complexType name='DataItemsType'>
    <xs:annotation>
      <xs:documentation>
        A generic list of measurements for all axis
      </xs:documentation>
    </xs:annotation>
    <xs:sequence>
      <xs:element name='DataItem' maxOccurs='unbounded' minOccurs='1' type='DataItemType'>
        <xs:annotation>
          <xs:documentation>
            A measurement for this component
          </xs:documentation>
        </xs:annotation>
      </xs:element>
    </xs:sequence>
  </xs:complexType>
  <xs:complexType name='DataItemType'>
    <xs:annotation>
      <xs:documentation>
        A abstract measurement
      </xs:documentation>
    </xs:annotation>
    <xs:sequence>
      <xs:element name='Source' maxOccurs='1' minOccurs='0' type='SourceType'>
        <xs:annotation>
          <xs:documentation>
            The measurement&apos;s source. This is the native machine identifier
            for this measurement. The source will be used to identify the
            correct incoming value with the measurement.
          </xs:documentation>
        </xs:annotation>
      </xs:element>
      <xs:element name='Constraints' maxOccurs='1' minOccurs='0' type='DataItemLimitsType'>
        <xs:annotation>
          <xs:documentation>
            Limits on the set of possible values
          </xs:documentation>
        </xs:annotation>
      </xs:element>
    </xs:sequence>
    <xs:attribute name='name' type='NameType' use='optional'/>
    <xs:attribute name='id' type='IDType' use='required'/>
    <xs:attribute name='type' type='DataItemEnumType' use='required'/>
    <xs:attribute name='subType' type='DataItemSubEnumType' use='optional'/>
    <xs:attribute name='units' type='UnitsType' use='optional'/>
    <xs:attribute name='nativeUnits' type='NativeUnitsType' use='optional'/>
    <xs:attribute name='nativeScale' type='NativeScaleType' use='optional'/>
    <xs:attribute name='category' type='CategoryType' use='required'/>
    <xs:attribute name='coordinateSystem' type='CoordinateSystemType' use='optional'/>
    <xs:attribute name='significantDigits' type='SignificantDigitsValueType' use='optional'/>
  </xs:complexType>
  <xs:complexType name='DataItemLimitsType'>
    <xs:annotation>
      <xs:documentation>
        A set of limits for a data item
      </xs:documentation>
    </xs:annotation>
    <xs:choice minOccurs='1'>
      <xs:sequence minOccurs='1'>
        <xs:element name='Value' maxOccurs='unbounded' minOccurs='1' type='DataItemValueElementType'>
          <xs:annotation>
            <xs:documentation>
              An possible value for this data item. Used for controlled
              vocabularies.
            </xs:documentation>
          </xs:annotation>
        </xs:element>
      </xs:sequence>
      <xs:sequence minOccurs='1'>
        <xs:element name='Minimum' type='DataItemValueType'>
          <xs:annotation>
            <xs:documentation>
              A minimum value for this data item.
            </xs:documentation>
          </xs:annotation>
        </xs:element>
        <xs:element name='Maximum' type='DataItemValueType'>
          <xs:annotation>
            <xs:documentation>
              A maximum value for this data item.
            </xs:documentation>
          </xs:annotation>
        </xs:element>
      </xs:sequence>
    </xs:choice>
  </xs:complexType>
  <xs:complexType name='DataItemValueElementType'>
    <xs:annotation>
      <xs:documentation>
        The value element
      </xs:documentation>
    </xs:annotation>
    <xs:simpleContent>
      <xs:extension base='DataItemOptionType'/>
    </xs:simpleContent>
  </xs:complexType>
  <xs:complexType name='SourceType'>
    <xs:annotation>
      <xs:documentation>
        A native data source
      </xs:documentation>
    </xs:annotation>
    <xs:simpleContent>
      <xs:extension base='ItemSourceType'/>
    </xs:simpleContent>
  </xs:complexType>
</xs:schema>