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AVEVA Enterprise SCADA

Source Data Access Layer (DAL) file

  • Last UpdatedApr 24, 2025
  • 1 minute read

The following parameters in the source Data Access Layer (DAL) file are configurable:

  • DriverAlias โ€“ Custom text to identify the target in the Advanced Database Editor (ADE) Pivot and Transfer dropdown menu

  • DriverProperty ConnectionString Host โ€“ <TargetSystemRealTime> (for example, ls1pdcRealTime)

  • DriverProperty HostName โ€“ <TargetSystemRealTime> (for example, ls1pdcRealTime)

  • An appropriate source DAL filename can be chosen as needed.

Example DALConfig_PnT_SameDomain_PDC.xml Source DAL File

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

<DALConfig xmlns="http://www.telvent.com/DALConfig" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xsi:schemaLocation="http://www.telvent.com/DALConfig DALConfig.xsd">

<DriverAlias Alias="TARGET-SAMEDOMAIN-PDC">

<DriverType Type="DBEdit">

<Description>RealTime DBEdit Driver</Description>

<DriverLocator>OASySDNA.Common.DAL.DBEdit777Driver.dll</DriverLocator>

<TransportType>InProcess</TransportType>

<DriverProperty Name="NumConnections">1</DriverProperty>

<DriverProperty Name="ConnectionString">Driver=DataDirect OpenAccess SDK

8.1;UID=%Username%;PWD=%Password%;Port=19990;Host=ls1pdcRealtime;DefaultDB=RTDB;SDSN=SQLEngine_%SQLAuthenticationType%;SCHEMA=ANSI;CLIENTHOSTNAME=%ClientHostName%;TIMEZONE=%TimeZone%;AppName=%ClientAppName%</DriverProperty>

<DriverProperty Name="DBProviderType">System.Data.Odbc</DriverProperty>

<DriverProperty Name="DBName">RTDB</DriverProperty>

</DriverType>


<DriverType Type="BLT">

<Description>RealTime BLT Driver</Description>

<DriverLocator>OASySDNA.Common.DAL.BLT75Driver.dll</DriverLocator>

<TransportType>InProcess</TransportType>

<DriverProperty Name="HostName">ls1pdcRealtime</DriverProperty>

<DriverProperty Name="NumOfThreads">1</DriverProperty>

<DriverProperty Name="LocaleID">%LocaleID%</DriverProperty>

<DriverProperty Name="TimeZone">%TimeZone%</DriverProperty>

<DriverProperty Name="TablePollMultiplier">1</DriverProperty>

</DriverType>

</DriverAlias>

</DALConfig>