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AVEVA™ Plant SCADA

XML DataSource Schema

  • Last UpdatedJul 18, 2023
  • 1 minute read

<?xml version="1.0" encoding="utf-8"?>

<xs:schema

xmlns:xs="http://www.w3.org/2001/XMLSchema"

xmlns="http://www.mycompany.com/Platform/PSI/DataSource/PersistenceCache/V1/"

xmlns:dsps="http://www.mycompany.com/Platform/PSI/DataSource/PersistenceCache/V1/"

elementFormDefault="qualified"

targetNamespace="http://www.mycompany.com/Platform/PSI/DataSource/PersistenceCache/V1/">

<xs:simpleType name="DataType">

<xs:restriction base="xs:string">

<xs:enumeration value="Boolean" />

<xs:enumeration value="SByte" />

<xs:enumeration value="Byte" />

<xs:enumeration value="Char" />

<xs:enumeration value="Double" />

<xs:enumeration value="Int16" />

<xs:enumeration value="Int32" />

<xs:enumeration value="Int64" />

<xs:enumeration value="Single" />

<xs:enumeration value="String" />

<xs:enumeration value="UInt16" />

<xs:enumeration value="UInt32" />

<xs:enumeration value="UInt64" />

<xs:enumeration value="Decimal" />

<xs:enumeration value="DateTime" />

</xs:restriction>

</xs:simpleType>

<xs:simpleType name="ElementName"

<xs:restriction base="xs:string">

<xs:enumeration value="" />

<xs:enumeration value="Field" />

<xs:enumeration value="Valid" />

<xs:enumeration value="Override" />

<xs:enumeration value="OverrideMode" />

<xs:enumeration value="ControlMode" />

<xs:enumeration value="Status" />

</xs:restriction>

</xs:simpleType>

<xs:complexType name="DataSource">

<xs:sequence minOccurs="1" maxOccurs="1">

<xs:element name="properties" type="PropertyCollection">

<xs:unique name="UniquePropertyName">

<xs:selector xpath="dsps:property" />

<xs:field xpath="@name" />

</xs:unique>

</xs:element>

<xs:element name="tags" type="TagCollection">

<xs:unique name="UniqueTagName">

<xs:selector xpath="dsps:tag" />

<xs:field xpath="@name" />

</xs:unique>

</xs:element>

</xs:sequence>

</xs:complexType>

<xs:complexType name="PropertyCollection">

<xs:sequence minOccurs="0" maxOccurs="unbounded">

<xs:element name="property" type="Property" />

</xs:sequence>

</xs:complexType>

<xs:complexType name="TagCollection">

<xs:sequence minOccurs="0" maxOccurs="unbounded">

<xs:element name="tag" type="Tag" />

</xs:sequence>

</xs:complexType>

<xs:complexType name="Property">

<xs:simpleContent>

<xs:extension base="xs:string">

<xs:attribute name="name" type="xs:string" use="necessary" />

<xs:attribute name="type" type="DataType" use="necessary" />

</xs:extension>

</xs:simpleContent>

</xs:complexType>

<xs:complexType name="TagElement">

<xs:sequence minOccurs="1" maxOccurs="1">

<xs:element name="v" type="Value" />

<xs:element name="q" type="Quality" />

<xs:element name="t" type="xs:dateTime" />

<xs:element name="qt" type="xs:dateTime" />

<xs:element name="vt" type="xs:dateTime" />

</xs:sequence>

<xs:attribute name="name" type="ElementName" use="necessary" />

</xs:complexType>

<xs:complexType name="Value">

<xs:sequence minOccurs="1" maxOccurs="unbounded">

<xs:element name="item" type="xs:string" />

</xs:sequence>

<xs:attribute name="type" type="DataType" use="necessary" />

<xs:attribute name="size" type="xs:positiveInteger" use="necessary" />

</xs:complexType>

<xs:complexType name="Quality">

<xs:sequence minOccurs="1" maxOccurs="1">

<xs:element name="generic" type="xs:integer" />

<xs:element name="specific" type="xs:integer" />

</xs:sequence>

</xs:complexType>

<xs:element name="datasource" type="DataSource" />

</xs:schema>

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