Added plcopen.definitions.DefaultType, set to INT.
<?xml version='1.0' encoding='utf-8'?>
<project xmlns:ns1="http://www.plcopen.org/xml/tc6_0201" xmlns:xhtml="http://www.w3.org/1999/xhtml" xmlns:xsd="http://www.w3.org/2001/XMLSchema" xmlns="http://www.plcopen.org/xml/tc6_0201">
<fileHeader companyName="Unknown" productName="Unnamed" productVersion="1" creationDateTime="2014-01-19T11:14:47"/>
<contentHeader name="Unnamed" modificationDateTime="2014-01-20T01:37:01">
<coordinateInfo>
<fbd>
<scaling x="0" y="0"/>
</fbd>
<ld>
<scaling x="0" y="0"/>
</ld>
<sfc>
<scaling x="0" y="0"/>
</sfc>
</coordinateInfo>
</contentHeader>
<types>
<dataTypes/>
<pous>
<pou name="program0" pouType="program">
<interface>
<localVars>
<variable name="LocalVara">
<type>
<INT/>
</type>
</variable>
<variable name="LocalVarb">
<type>
<INT/>
</type>
</variable>
</localVars>
</interface>
<body>
<FBD>
<inVariable localId="1" executionOrderId="0" height="27" width="77" negated="false">
<position x="196" y="224"/>
<connectionPointOut>
<relPosition x="77" y="13"/>
</connectionPointOut>
<expression>LocalVara</expression>
</inVariable>
<outVariable localId="2" executionOrderId="0" height="27" width="77" negated="false">
<position x="305" y="227"/>
<connectionPointIn>
<relPosition x="0" y="13"/>
<connection refLocalId="1">
<position x="305" y="240"/>
<position x="288" y="240"/>
<position x="288" y="237"/>
<position x="273" y="237"/>
</connection>
</connectionPointIn>
<expression>LocalVarb</expression>
</outVariable>
</FBD>
</body>
</pou>
</pous>
</types>
<instances>
<configurations>
<configuration name="config">
<resource name="resource1">
<task name="Tsk" priority="0" interval="T#100ms">
<pouInstance name="Inst" typeName="program0"/>
</task>
</resource>
</configuration>
</configurations>
</instances>
</project>