adding some comments.
<?xml version="1.0" encoding="UTF-8"?>
<project xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
xmlns="http://www.plcopen.org/xml/tc6.xsd"
xmlns:xhtml="http://www.w3.org/1999/xhtml"
xsi:schemaLocation="http://www.plcopen.org/xml/tc6.xsd http://www.plcopen.org/xml/tc6.xsd">
<fileHeader contentDescription="This tests SFC language"
companyName="LOLITECH"
companyURL="www.lolitech.com"
productName="BREMIZ"
productRelease="1"
productVersion="1"
creationDateTime="2007-07-07 11:58:26"/>
<contentHeader name="LD_TEST">
<coordinateInfo>
<fbd>
<scaling y="0" x="0"/>
</fbd>
<ld>
<scaling y="0" x="0"/>
</ld>
<sfc>
<scaling y="0" x="0"/>
</sfc>
</coordinateInfo>
</contentHeader>
<types>
<dataTypes/>
<pous>
<pou name="MAIN_TEST" pouType="program">
<interface>
<localVars>
<variable name="QX1" address="%QX1">
<type>
<BOOL/>
</type>
<initialValue>
<simpleValue value="FALSE"/>
</initialValue>
</variable>
<variable name="QX2" address="%QX2">
<type>
<BOOL/>
</type>
<initialValue>
<simpleValue value="TRUE"/>
</initialValue>
</variable>
<variable name="QX3" address="%QX3">
<type>
<BOOL/>
</type>
</variable>
<variable name="IX1" address="%IX1">
<type>
<BOOL/>
</type>
</variable>
<variable name="IX2" address="%IX2">
<type>
<BOOL/>
</type>
</variable>
<variable name="IX3" address="%IX3">
<type>
<BOOL/>
</type>
</variable>
</localVars>
</interface>
<actions>
<action name="ONSTEP1">
<body>
<ST>
QX1 := TRUE;
QX2 := TRUE;
</ST>
</body>
</action>
</actions>
<body>
<SFC>
<step localId="1" height="31" width="40" initialStep="true" name="GO">
<position y="26" x="70"/>
<connectionPointOut formalParameter="">
<relPosition y="31" x="20"/>
</connectionPointOut>
</step>
<transition localId="2" height="2" width="20">
<position y="82" x="80"/>
<connectionPointIn>
<relPosition y="0" x="10"/>
<connection refLocalId="1">
<position y="82" x="90"/>
<position y="57" x="90"/>
</connection>
</connectionPointIn>
<connectionPointOut>
<relPosition y="2" x="10"/>
</connectionPointOut>
<condition>
<inline name="">
<ST>IX1 = FALSE</ST>
</inline>
</condition>
</transition>
<step localId="3" height="27" width="50" initialStep="false" name="STEP1">
<position y="109" x="65"/>
<connectionPointIn>
<relPosition y="0" x="25"/>
<connection refLocalId="2">
<position y="109" x="90"/>
<position y="84" x="90"/>
</connection>
</connectionPointIn>
<connectionPointOut formalParameter="">
<relPosition y="27" x="25"/>
</connectionPointOut>
<connectionPointOutAction formalParameter="">
<relPosition y="13" x="50"/>
</connectionPointOutAction>
</step>
<transition localId="4" height="2" width="20">
<position y="161" x="80"/>
<connectionPointIn>
<relPosition y="0" x="10"/>
<connection refLocalId="3">
<position y="161" x="90"/>
<position y="136" x="90"/>
</connection>
</connectionPointIn>
<connectionPointOut>
<relPosition y="2" x="10"/>
</connectionPointOut>
<condition>
<inline name="">
<ST>IX2 = TRUE</ST>
</inline>
</condition>
</transition>
<step localId="5" height="27" width="50" initialStep="false" name="STEP2">
<position y="188" x="65"/>
<connectionPointIn>
<relPosition y="0" x="25"/>
<connection refLocalId="4">
<position y="188" x="90"/>
<position y="163" x="90"/>
</connection>
</connectionPointIn>
<connectionPointOut formalParameter="">
<relPosition y="27" x="25"/>
</connectionPointOut>
<connectionPointOutAction formalParameter="">
<relPosition y="13" x="50"/>
</connectionPointOutAction>
</step>
<selectionDivergence localId="6" height="1" width="840">
<position y="240" x="90"/>
<connectionPointIn>
<relPosition y="0" x="0"/>
<connection refLocalId="5">
<position y="240" x="90"/>
<position y="215" x="90"/>
</connection>
</connectionPointIn>
<connectionPointOut formalParameter="">
<relPosition y="1" x="0"/>
</connectionPointOut>
<connectionPointOut formalParameter="">
<relPosition y="1" x="840"/>
</connectionPointOut>
<connectionPointOut formalParameter="">
<relPosition y="1" x="579"/>
</connectionPointOut>
<connectionPointOut formalParameter="">
<relPosition y="1" x="304"/>
</connectionPointOut>
</selectionDivergence>
<transition localId="7" height="2" width="20">
<position y="266" x="80"/>
<connectionPointIn>
<relPosition y="0" x="10"/>
<connection refLocalId="6">
<position y="266" x="90"/>
<position y="241" x="90"/>
</connection>
</connectionPointIn>
<connectionPointOut>
<relPosition y="2" x="10"/>
</connectionPointOut>
<condition>
<inline name="">
<ST>QX1 = FALSE AND QX2 = FALSE</ST>
</inline>
</condition>
</transition>
<step localId="8" height="27" width="40" initialStep="false" name="A1">
<position y="293" x="70"/>
<connectionPointIn>
<relPosition y="0" x="20"/>
<connection refLocalId="7">
<position y="293" x="90"/>
<position y="268" x="90"/>
</connection>
</connectionPointIn>
<connectionPointOut formalParameter="">
<relPosition y="27" x="20"/>
</connectionPointOut>
<connectionPointOutAction formalParameter="">
<relPosition y="13" x="40"/>
</connectionPointOutAction>
</step>
<transition localId="9" height="2" width="20">
<position y="266" x="920"/>
<connectionPointIn>
<relPosition y="0" x="10"/>
<connection refLocalId="6">
<position y="266" x="930"/>
<position y="241" x="930"/>
</connection>
</connectionPointIn>
<connectionPointOut>
<relPosition y="2" x="10"/>
</connectionPointOut>
<condition>
<inline name="">
<ST>QX1 = TRUE AND QX2 = TRUE</ST>
</inline>
</condition>
</transition>
<transition localId="11" height="2" width="20">
<position y="266" x="659"/>
<connectionPointIn>
<relPosition y="0" x="10"/>
<connection refLocalId="6">
<position y="266" x="669"/>
<position y="241" x="669"/>
</connection>
</connectionPointIn>
<connectionPointOut>
<relPosition y="2" x="10"/>
</connectionPointOut>
<condition>
<inline name="">
<ST>QX1 = TRUE AND QX2 = FALSE</ST>
</inline>
</condition>
</transition>
<step localId="12" height="27" width="40" initialStep="false" name="A3">
<position y="293" x="649"/>
<connectionPointIn>
<relPosition y="0" x="20"/>
<connection refLocalId="11">
<position y="293" x="669"/>
<position y="268" x="669"/>
</connection>
</connectionPointIn>
<connectionPointOut formalParameter="">
<relPosition y="27" x="20"/>
</connectionPointOut>
<connectionPointOutAction formalParameter="">
<relPosition y="13" x="40"/>
</connectionPointOutAction>
</step>
<simultaneousDivergence localId="19" height="3" width="486">
<position y="293" x="898"/>
<connectionPointIn>
<relPosition y="0" x="32"/>
<connection refLocalId="9">
<position y="293" x="930"/>
<position y="268" x="930"/>
</connection>
</connectionPointIn>
<connectionPointOut formalParameter="">
<relPosition y="3" x="0"/>
</connectionPointOut>
<connectionPointOut formalParameter="">
<relPosition y="3" x="249"/>
</connectionPointOut>
<connectionPointOut formalParameter="">
<relPosition y="3" x="486"/>
</connectionPointOut>
</simultaneousDivergence>
<step localId="20" height="27" width="40" initialStep="false" name="D1">
<position y="325" x="878"/>
<connectionPointIn>
<relPosition y="0" x="20"/>
<connection refLocalId="19">
<position y="325" x="898"/>
<position y="296" x="898"/>
</connection>
</connectionPointIn>
<connectionPointOut formalParameter="">
<relPosition y="27" x="20"/>
</connectionPointOut>
<connectionPointOutAction formalParameter="">
<relPosition y="13" x="40"/>
</connectionPointOutAction>
</step>
<step localId="21" height="27" width="40" initialStep="false" name="D2">
<position y="325" x="1127"/>
<connectionPointIn>
<relPosition y="0" x="20"/>
<connection refLocalId="19">
<position y="325" x="1147"/>
<position y="296" x="1147"/>
</connection>
</connectionPointIn>
<connectionPointOut formalParameter="">
<relPosition y="27" x="20"/>
</connectionPointOut>
<connectionPointOutAction formalParameter="">
<relPosition y="13" x="40"/>
</connectionPointOutAction>
</step>
<step localId="22" height="27" width="40" initialStep="false" name="D3">
<position y="325" x="1364"/>
<connectionPointIn>
<relPosition y="0" x="20"/>
<connection refLocalId="19">
<position y="325" x="1384"/>
<position y="296" x="1384"/>
</connection>
</connectionPointIn>
<connectionPointOut formalParameter="">
<relPosition y="27" x="20"/>
</connectionPointOut>
<connectionPointOutAction formalParameter="">
<relPosition y="13" x="40"/>
</connectionPointOutAction>
</step>
<transition localId="23" height="2" width="20">
<position y="377" x="888"/>
<connectionPointIn>
<relPosition y="0" x="10"/>
<connection refLocalId="20">
<position y="377" x="898"/>
<position y="352" x="898"/>
</connection>
</connectionPointIn>
<connectionPointOut>
<relPosition y="2" x="10"/>
</connectionPointOut>
<condition>
<inline name="">
<ST>NOT ( QX1 OR QX2 OR QX3 )</ST>
</inline>
</condition>
</transition>
<step localId="24" height="27" width="26" initialStep="false" name="E1">
<position y="404" x="885"/>
<connectionPointIn>
<relPosition y="0" x="13"/>
<connection refLocalId="23">
<position y="404" x="898"/>
<position y="379" x="898"/>
</connection>
</connectionPointIn>
<connectionPointOut formalParameter="">
<relPosition y="27" x="13"/>
</connectionPointOut>
<connectionPointOutAction formalParameter="">
<relPosition y="13" x="26"/>
</connectionPointOutAction>
</step>
<transition localId="25" height="2" width="20">
<position y="377" x="1137"/>
<connectionPointIn>
<relPosition y="0" x="10"/>
<connection refLocalId="21">
<position y="377" x="1147"/>
<position y="352" x="1147"/>
</connection>
</connectionPointIn>
<connectionPointOut>
<relPosition y="2" x="10"/>
</connectionPointOut>
<condition>
<inline name="">
<ST>NOT ( QX1 OR QX2 OR QX3 )</ST>
</inline>
</condition>
</transition>
<step localId="26" height="27" width="26" initialStep="false" name="E2">
<position y="404" x="1134"/>
<connectionPointIn>
<relPosition y="0" x="13"/>
<connection refLocalId="25">
<position y="404" x="1147"/>
<position y="379" x="1147"/>
</connection>
</connectionPointIn>
<connectionPointOut formalParameter="">
<relPosition y="27" x="13"/>
</connectionPointOut>
<connectionPointOutAction formalParameter="">
<relPosition y="13" x="26"/>
</connectionPointOutAction>
</step>
<transition localId="27" height="2" width="20">
<position y="377" x="1374"/>
<connectionPointIn>
<relPosition y="0" x="10"/>
<connection refLocalId="22">
<position y="377" x="1384"/>
<position y="352" x="1384"/>
</connection>
</connectionPointIn>
<connectionPointOut>
<relPosition y="2" x="10"/>
</connectionPointOut>
<condition>
<inline name="">
<ST>NOT ( QX1 OR QX2 OR QX3 )</ST>
</inline>
</condition>
</transition>
<step localId="28" height="27" width="26" initialStep="false" name="E3">
<position y="408" x="1371"/>
<connectionPointIn>
<relPosition y="0" x="13"/>
<connection refLocalId="27">
<position y="408" x="1384"/>
<position y="379" x="1384"/>
</connection>
</connectionPointIn>
<connectionPointOut formalParameter="">
<relPosition y="27" x="13"/>
</connectionPointOut>
<connectionPointOutAction formalParameter="">
<relPosition y="13" x="26"/>
</connectionPointOutAction>
</step>
<simultaneousConvergence localId="29" height="3" width="486">
<position y="460" x="898"/>
<connectionPointIn>
<relPosition y="0" x="0"/>
<connection refLocalId="24">
<position y="460" x="898"/>
<position y="431" x="898"/>
</connection>
</connectionPointIn>
<connectionPointIn>
<relPosition y="0" x="249"/>
<connection refLocalId="26">
<position y="460" x="1147"/>
<position y="431" x="1147"/>
</connection>
</connectionPointIn>
<connectionPointIn>
<relPosition y="0" x="486"/>
<connection refLocalId="28">
<position y="460" x="1384"/>
<position y="435" x="1384"/>
</connection>
</connectionPointIn>
<connectionPointOut>
<relPosition y="3" x="183"/>
</connectionPointOut>
</simultaneousConvergence>
<transition localId="30" height="2" width="20">
<position y="488" x="1071"/>
<connectionPointIn>
<relPosition y="0" x="10"/>
<connection refLocalId="29">
<position y="488" x="1081"/>
<position y="463" x="1081"/>
</connection>
</connectionPointIn>
<connectionPointOut>
<relPosition y="2" x="10"/>
</connectionPointOut>
<condition>
<inline name="">
<ST>QX1 AND QX2 AND QX3</ST>
</inline>
</condition>
</transition>
<jumpStep localId="33" height="13" width="12" targetName="GO">
<position y="515" x="1075"/>
<connectionPointIn>
<relPosition y="0" x="6"/>
<connection refLocalId="30">
<position y="515" x="1081"/>
<position y="490" x="1081"/>
</connection>
</connectionPointIn>
</jumpStep>
<actionBlock localId="34" height="30" width="100">
<position y="107" x="140"/>
<connectionPointIn>
<relPosition y="15" x="0"/>
<connection refLocalId="3">
<position y="122" x="140"/>
<position y="122" x="115"/>
</connection>
</connectionPointIn>
<action qualifier="N">
<reference name="ONSTEP1"/>
</action>
</actionBlock>
<actionBlock localId="35" height="30" width="293">
<position y="186" x="140"/>
<connectionPointIn>
<relPosition y="15" x="0"/>
<connection refLocalId="5">
<position y="201" x="140"/>
<position y="201" x="115"/>
</connection>
</connectionPointIn>
<action qualifier="P">
<inline>
<ST>QX1 := QX2 XOR QX1; QX2 := NOT QX2;</ST>
</inline>
</action>
</actionBlock>
<transition localId="36" height="2" width="20">
<position y="266" x="384"/>
<connectionPointIn>
<relPosition y="0" x="10"/>
<connection refLocalId="6">
<position y="266" x="394"/>
<position y="241" x="394"/>
</connection>
</connectionPointIn>
<connectionPointOut>
<relPosition y="2" x="10"/>
</connectionPointOut>
<condition>
<inline name="">
<ST>QX1 = FALSE AND QX2 = TRUE</ST>
</inline>
</condition>
</transition>
<step localId="37" height="27" width="40" initialStep="false" name="A2">
<position y="293" x="374"/>
<connectionPointIn>
<relPosition y="0" x="20"/>
<connection refLocalId="36">
<position y="293" x="394"/>
<position y="268" x="394"/>
</connection>
</connectionPointIn>
<connectionPointOut formalParameter="">
<relPosition y="27" x="20"/>
</connectionPointOut>
<connectionPointOutAction formalParameter="">
<relPosition y="13" x="40"/>
</connectionPointOutAction>
</step>
<transition localId="47" height="2" width="20">
<position y="345" x="80"/>
<connectionPointIn>
<relPosition y="0" x="10"/>
<connection refLocalId="8">
<position y="345" x="90"/>
<position y="320" x="90"/>
</connection>
</connectionPointIn>
<connectionPointOut>
<relPosition y="2" x="10"/>
</connectionPointOut>
<condition>
<inline name="">
<ST>IX1 = TRUE</ST>
</inline>
</condition>
</transition>
<transition localId="48" height="2" width="20">
<position y="345" x="659"/>
<connectionPointIn>
<relPosition y="0" x="10"/>
<connection refLocalId="12">
<position y="345" x="669"/>
<position y="320" x="669"/>
</connection>
</connectionPointIn>
<connectionPointOut>
<relPosition y="2" x="10"/>
</connectionPointOut>
<condition>
<inline name="">
<ST>IX1 = TRUE</ST>
</inline>
</condition>
</transition>
<transition localId="49" height="2" width="20">
<position y="345" x="384"/>
<connectionPointIn>
<relPosition y="0" x="10"/>
<connection refLocalId="37">
<position y="345" x="394"/>
<position y="320" x="394"/>
</connection>
</connectionPointIn>
<connectionPointOut>
<relPosition y="2" x="10"/>
</connectionPointOut>
<condition>
<inline name="">
<ST>IX1 = FALSE</ST>
</inline>
</condition>
</transition>
<selectionConvergence localId="50" height="1" width="579">
<position y="372" x="90"/>
<connectionPointIn>
<relPosition y="0" x="0"/>
<connection refLocalId="47">
<position y="372" x="90"/>
<position y="347" x="90"/>
</connection>
</connectionPointIn>
<connectionPointIn>
<relPosition y="0" x="579"/>
<connection refLocalId="48">
<position y="372" x="669"/>
<position y="347" x="669"/>
</connection>
</connectionPointIn>
<connectionPointIn>
<relPosition y="0" x="304"/>
<connection refLocalId="49">
<position y="372" x="394"/>
<position y="347" x="394"/>
</connection>
</connectionPointIn>
<connectionPointOut>
<relPosition y="1" x="0"/>
</connectionPointOut>
</selectionConvergence>
<jumpStep localId="53" height="13" width="12" targetName="STEP2">
<position y="398" x="84"/>
<connectionPointIn>
<relPosition y="0" x="6"/>
<connection refLocalId="50">
<position y="398" x="90"/>
<position y="373" x="90"/>
</connection>
</connectionPointIn>
</jumpStep>
<actionBlock localId="54" height="30" width="111">
<position y="291" x="135"/>
<connectionPointIn>
<relPosition y="15" x="0"/>
<connection refLocalId="8">
<position y="306" x="135"/>
<position y="306" x="110"/>
</connection>
</connectionPointIn>
<action qualifier="N">
<inline>
<ST>IX1 := TRUE;</ST>
</inline>
</action>
</actionBlock>
<actionBlock localId="55" height="30" width="117">
<position y="291" x="439"/>
<connectionPointIn>
<relPosition y="15" x="0"/>
<connection refLocalId="37">
<position y="306" x="439"/>
<position y="306" x="414"/>
</connection>
</connectionPointIn>
<action qualifier="N">
<inline>
<ST>IX1 := FALSE;</ST>
</inline>
</action>
</actionBlock>
<actionBlock localId="56" height="30" width="111">
<position y="291" x="714"/>
<connectionPointIn>
<relPosition y="15" x="0"/>
<connection refLocalId="12">
<position y="306" x="714"/>
<position y="306" x="689"/>
</connection>
</connectionPointIn>
<action qualifier="N">
<inline>
<ST>IX1 := TRUE;</ST>
</inline>
</action>
</actionBlock>
<actionBlock localId="57" height="30" width="124">
<position y="323" x="943"/>
<connectionPointIn>
<relPosition y="15" x="0"/>
<connection refLocalId="20">
<position y="338" x="943"/>
<position y="338" x="918"/>
</connection>
</connectionPointIn>
<action qualifier="N">
<inline>
<ST>QX1 := FALSE;</ST>
</inline>
</action>
</actionBlock>
<actionBlock localId="58" height="30" width="124">
<position y="323" x="1192"/>
<connectionPointIn>
<relPosition y="15" x="0"/>
<connection refLocalId="21">
<position y="338" x="1192"/>
<position y="338" x="1167"/>
</connection>
</connectionPointIn>
<action qualifier="N">
<inline>
<ST>QX2 := FALSE;</ST>
</inline>
</action>
</actionBlock>
<actionBlock localId="59" height="30" width="124">
<position y="323" x="1429"/>
<connectionPointIn>
<relPosition y="15" x="0"/>
<connection refLocalId="22">
<position y="338" x="1429"/>
<position y="338" x="1404"/>
</connection>
</connectionPointIn>
<action qualifier="N">
<inline>
<ST>QX2 := FALSE;</ST>
</inline>
</action>
</actionBlock>
<actionBlock localId="60" height="30" width="118">
<position y="402" x="936"/>
<connectionPointIn>
<relPosition y="15" x="0"/>
<connection refLocalId="24">
<position y="417" x="936"/>
<position y="417" x="911"/>
</connection>
</connectionPointIn>
<action qualifier="N">
<inline>
<ST>QX1 := TRUE;</ST>
</inline>
</action>
</actionBlock>
<actionBlock localId="61" height="30" width="118">
<position y="402" x="1185"/>
<connectionPointIn>
<relPosition y="15" x="0"/>
<connection refLocalId="26">
<position y="417" x="1185"/>
<position y="417" x="1160"/>
</connection>
</connectionPointIn>
<action qualifier="N">
<inline>
<ST>QX2 := TRUE;</ST>
</inline>
</action>
</actionBlock>
<actionBlock localId="62" height="30" width="118">
<position y="406" x="1422"/>
<connectionPointIn>
<relPosition y="15" x="0"/>
<connection refLocalId="28">
<position y="421" x="1422"/>
<position y="421" x="1397"/>
</connection>
</connectionPointIn>
<action qualifier="N">
<inline>
<ST>QX3 := TRUE;</ST>
</inline>
</action>
</actionBlock>
</SFC>
</body>
</pou>
</pous>
</types>
<instances>
<configurations>
<configuration name="STD_CONF">
<resource name="STD_RESSOURCE">
<task interval="00:00:00.100000" name="STD_TASK" priority="0"/>
<pouInstance type="MAIN_TEST" name="MAIN_INSTANCE"/>
</resource>
</configuration>
</configurations>
</instances>
</project>