M&M FDT 1.2.1 Online Specification
 FDTModbusChannelParameterSchema definition


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FDTModbusChannelParameterSchema

Available since MODBUS Annex for FDT 1.2.1

Download Modbus Annex from FDT Group Homepage.

Available since FDT 1.2
Available since FDT 1.2.1
Available since FDT 1.2 and modified or extended in FDT 1.2.1
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<Schema name="FDTModbusChannelParameterSchema"   xmlns="urn:schemas-microsoft-com:xml-data" xmlns:dt="urn:schemas-microsoft-com:datatypes" xmlns:fdt="x-schema:FDTDataTypesSchema.xml" xmlns:appId="x-schema:FDTApplicationIdSchema.xml" >
      <!-- FDT channel parameter schema V1.0 for Modbus protocol -->
      <!-- Definition of Attributes -->
     <AttributeType name="schemaVersion" dt:type="number" default="1.0" />
     <AttributeType name="address"
dt:type="ui2" />
     <AttributeType name="modbusDataTypes"
dt:type="enumeration" dt:values="coil discreteInput holdingRegister inputRegister" />
     <AttributeType name="quantity"
dt:type="ui2" />
     <AttributeType name="protectedByChannelAssignment"
dt:type="boolean" />
     <AttributeType name="frameApplicationTag"
dt:type="string" />
     <AttributeType name="scaleValue"
dt:type="string" />
     <AttributeType name="statusChannel"
dt:type="boolean" />
     <AttributeType name="gatewayBusCategory"
dt:type="uuid" />
      <!-- All elements of the enumeration represent data types specified in IEC 61131-3 -->
     <AttributeType name="iecDataType"
dt:type="enumeration" dt:values="BOOL SINT INT DINT LINT USINT UINT UDINT ULINT REAL LREAL TIME DATE TimeOfDay DateAndTime STRING BYTE WORD DWORD LWORD WSTRING" />
      <!-- Definition of Elements -->
      <!-- Definition of Modbus access data element -->
     <ElementType name="ModbusAccessData"
content="empty" model="closed" >
          <attribute type="fdt:nodeId"
  />
           <!-- Starting address of the discrete input/coil/register -->
          <attribute type="address"   required="yes" />
           <!-- Type of data to be accessed -->
          <attribute type="modbusDataTypes"   required="yes" />
           <!-- Number of discrete inputs/coils/registers to be accessed -->
          <attribute type="quantity"   required="yes" />
           <!-- Access right for reading the Modbus data -->
          <attribute type="fdt:readAccess"   required="no" />
           <!-- Access right forwriting the Modbus data -->
          <attribute type="fdt:writeAccess"   required="no" />
     </ElementType>
      <!-- Definition of UnitScaling element -->
     <ElementType name="UnitScaling" content="empty" model="closed" >
          <attribute type="scaleValue"
  required="yes" />
     </ElementType>
     <ElementType name="FDTChannel" content="eltOnly" order="seq" model="closed" >
          <attribute type="fdt:nodeId"
  />
           <!-- Unique identifier for a device, module or channel -->
          <attribute type="fdt:tag"   required="yes" />
           <!-- Unique identifier for an element within the device namespace -->
          <attribute type="fdt:id"   required="yes" />
           <!-- Human readable description within the context of a element -->
          <attribute type="fdt:descriptor"   />
           <!-- TRUE if the channels is set to read only by the Frame Application -->
          <attribute type="protectedByChannelAssignment"   required="yes" />
           <!-- Standard FDT data type -->
          <attribute type="fdt:dataType"   required="yes" />
           <!-- Standard IEC 61131-3 data types -->
          <attribute type="iecDataType"   required="no" />
           <!-- Specifies a signal as input or output -->
          <attribute type="fdt:signalType"   required="yes" />
           <!-- Frame Application specific tag used for identification and navigation. -->
           <!-- The DTM should display this tag at channel specific user interfaces -->
          <attribute type="frameApplicationTag"   />
           <!-- The appearance and the functionality of a DTM user interface is controlled by the -->
           <!-- entry of the element applicationId, functionId, and operationPhase -->
          <attribute type="appId:applicationId"   />
           <!-- TODO SemanticIDs need to be defined -->
          <element type="fdt:SemanticInformation"   minOccurs="0" maxOccurs="*" />
           <!-- Collection of EnumerationEntry -->
          <element type="fdt:BitEnumeratorEntries"   minOccurs="0" maxOccurs="1" />
           <!-- Enumeration element -->
          <element type="fdt:EnumeratorEntries"   minOccurs="0" maxOccurs="1" />
           <!-- Current unit and the collection of possible units of a process variable -->
          <element type="fdt:Unit"   minOccurs="0" maxOccurs="1" />
           <!-- scale value for the grapical representation of the process value -->
          <element type="UnitScaling"   minOccurs="0" maxOccurs="1" />
           <!-- Address information needed to directly access the process data in the target device via Modbus -->
          <element type="ModbusAccessData"   minOccurs="0" maxOccurs="1" />
           <!-- Collection of alarms specified in FDT -->
          <element type="fdt:Alarms"   minOccurs="0" maxOccurs="1" />
           <!-- Collection of ranges specified in FDT, which describe the valid range of a process value -->
          <element type="fdt:Ranges"   minOccurs="0" maxOccurs="1" />
           <!-- Deadband is the amount of value changes that triggers for example new trend values. -->
          <element type="fdt:Deadband"   minOccurs="0" maxOccurs="1" />
           <!-- Describes a substitute value which is used in combination of the behavior of disturbed channel values -->
          <element type="fdt:SubstituteValue"   minOccurs="0" maxOccurs="1" />
           <!-- should be used if the data type is structured -->
          <element type="fdt:StructuredElements"   minOccurs="0" maxOccurs="1" />
     </ElementType>
     <ElementType name="FDTChannelType" content="eltOnly" order="seq" model="closed" >
          <attribute type="fdt:nodeId"
  />
          <element type="fdt:VersionInformation"   />
           <!-- Unique identifier for a supported bus type like Profibus or HART according to the FDT specific CATID -->
          <attribute type="gatewayBusCategory"   required="no" />
           <!-- TRUE if the channel is for status information only -->
          <attribute type="statusChannel"   required="no" />
     </ElementType>
     <ElementType name="FDT" content="eltOnly" order="seq" model="closed" >
          <attribute type="schemaVersion"
  />
          <attribute type="fdt:nodeId"   />
          <element type="FDTChannelType"   minOccurs="1" maxOccurs="1" />
          <element type="FDTChannel"   minOccurs="1" maxOccurs="1" />
     </ElementType>
</Schema>

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Last updated 2015-02-05 15:18
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