Fixed Exception dialog disapearing after a view second when exception occurs during app startup.
Problem was caused by splashscreen timeout, wx closing averything else if there is no more main frame.
Changes:
- no more timeout for splashscreen
- use wx.App OnInit method to give first operation to mainloop, object are then now created in mainloop
- main loop is then created _before_ showing splash screen
- no more wxyield or wx processevent tricks needed to display splash screen
- exception handler not blocking anymore on dialog (callafter)
- because of mainloop being there before everything, exit must be called explicitely if exception caught during startup -> exit parameter in handle_exception + try/except around startup calls
UNTESTED ON WINDOWS
<?xml version='1.0' encoding='utf-8'?>
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<contentHeader name="extended wxHMI example" modificationDateTime="2017-06-06T13:13:18">
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<comment localId="296" height="330" width="655">
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<xhtml:p><![CDATA[Example shows
- how to use wxGlade extension to create user interface and dynamically extend it using Python,
- how to respond to user actions in PLC program and
- how to use several PLC tasks to handle process of different speeds.
Program has two tasks:
1. Slow task that communicates with user interface created in wxGlade and updates axes state.
2. Main task that drives virtual axes.
When power is on, user can control axes.
"Draw Logo" buttons starts X, Y, Z axes. "Draw Test" buttons starts Z and T axes.
User can adjust position of axes using manual keys.
Happy hacking!]]></xhtml:p>
</content>
</comment>
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</variable>
<variable formalParameter="IN2">
<connectionPointIn>
<relPosition x="0" y="70"/>
<connection refLocalId="35">
<position x="160" y="595"/>
<position x="125" y="595"/>
</connection>
</connectionPointIn>
</variable>
</inputVariables>
<inOutVariables/>
<outputVariables>
<variable formalParameter="OUT">
<connectionPointOut>
<relPosition x="70" y="35"/>
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</variable>
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<inVariable localId="35" executionOrderId="0" height="30" width="85" negated="false">
<position x="40" y="580"/>
<connectionPointOut>
<relPosition x="85" y="15"/>
</connectionPointOut>
<expression>DrawLogo</expression>
</inVariable>
<comment localId="36" height="45" width="215">
<position x="20" y="670"/>
<content>
<xhtml:p><![CDATA[Control virtual axes.]]></xhtml:p>
</content>
</comment>
<inVariable localId="30" executionOrderId="0" height="30" width="85" negated="false">
<position x="510" y="475"/>
<connectionPointOut>
<relPosition x="85" y="15"/>
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<expression>DrawLogo</expression>
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<block localId="31" typeName="RS" instanceName="DrawLogoDo" executionOrderId="0" height="115" width="55">
<position x="740" y="445"/>
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<variable formalParameter="S">
<connectionPointIn>
<relPosition x="0" y="45"/>
<connection refLocalId="30">
<position x="740" y="490"/>
<position x="595" y="490"/>
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<variable formalParameter="R1">
<connectionPointIn>
<relPosition x="0" y="90"/>
<connection refLocalId="39" formalParameter="OUT">
<position x="740" y="535"/>
<position x="715" y="535"/>
<position x="715" y="560"/>
<position x="690" y="560"/>
</connection>
</connectionPointIn>
</variable>
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<outputVariables>
<variable formalParameter="Q1">
<connectionPointOut>
<relPosition x="55" y="45"/>
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<inVariable localId="32" executionOrderId="0" height="30" width="85" negated="false">
<position x="500" y="545"/>
<connectionPointOut>
<relPosition x="85" y="15"/>
</connectionPointOut>
<expression>Power_OFF</expression>
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<inVariable localId="38" executionOrderId="0" height="30" width="85" negated="false">
<position x="500" y="580"/>
<connectionPointOut>
<relPosition x="85" y="15"/>
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<expression>DrawTest</expression>
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<block localId="39" typeName="OR" executionOrderId="0" height="85" width="70">
<position x="620" y="525"/>
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<variable formalParameter="IN1">
<connectionPointIn>
<relPosition x="0" y="35"/>
<connection refLocalId="32">
<position x="620" y="560"/>
<position x="585" y="560"/>
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<variable formalParameter="IN2">
<connectionPointIn>
<relPosition x="0" y="70"/>
<connection refLocalId="38">
<position x="620" y="595"/>
<position x="585" y="595"/>
</connection>
</connectionPointIn>
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<inOutVariables/>
<outputVariables>
<variable formalParameter="OUT">
<connectionPointOut>
<relPosition x="70" y="35"/>
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</variable>
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</block>
<comment localId="34" height="45" width="365">
<position x="15" y="55"/>
<content>
<xhtml:p><![CDATA[Turn on/off power, Power on enables axes control.]]></xhtml:p>
</content>
</comment>
<comment localId="37" height="45" width="550">
<position x="35" y="360"/>
<content>
<xhtml:p><![CDATA[Only one mode can be selected at any time ("Draw Logo" or "Draw Test").]]></xhtml:p>
</content>
</comment>
</FBD>
</body>
<documentation>
<xhtml:p><![CDATA[]]></xhtml:p>
</documentation>
</pou>
<pou name="ReadGUIdata" pouType="program">
<interface>
<localVars>
<variable name="python_poll0">
<type>
<derived name="python_poll"/>
</type>
</variable>
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<body>
<FBD>
<block localId="220" typeName="python_poll" instanceName="python_poll0" executionOrderId="0" height="85" width="104">
<position x="295" y="130"/>
<inputVariables>
<variable formalParameter="TRIG">
<connectionPointIn>
<relPosition x="0" y="35"/>
<connection refLocalId="221">
<position x="295" y="165"/>
<position x="268" y="165"/>
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</variable>
<variable formalParameter="CODE">
<connectionPointIn>
<relPosition x="0" y="70"/>
<connection refLocalId="222">
<position x="295" y="200"/>
<position x="271" y="200"/>
</connection>
</connectionPointIn>
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<inOutVariables/>
<outputVariables>
<variable formalParameter="ACK">
<connectionPointOut>
<relPosition x="104" y="35"/>
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<variable formalParameter="RESULT">
<connectionPointOut>
<relPosition x="104" y="70"/>
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<inVariable localId="221" executionOrderId="0" height="30" width="93" negated="false">
<position x="175" y="150"/>
<connectionPointOut>
<relPosition x="93" y="15"/>
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<expression>BOOL#TRUE</expression>
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<inVariable localId="222" executionOrderId="0" height="30" width="161" negated="false">
<position x="110" y="185"/>
<connectionPointOut>
<relPosition x="161" y="15"/>
</connectionPointOut>
<expression>'wxglade_hmi.UpdPos()'</expression>
</inVariable>
<comment localId="296" height="55" width="445">
<position x="35" y="25"/>
<content>
<xhtml:p><![CDATA[This is slow PLC task. It just updates state of axes on HMI.]]></xhtml:p>
</content>
</comment>
</FBD>
</body>
<documentation>
<xhtml:p><![CDATA[]]></xhtml:p>
</documentation>
</pou>
<pou name="Declarations" pouType="program">
<interface>
<localVars>
<variable name="InitValue">
<type>
<DINT/>
</type>
<initialValue>
<simpleValue value="17"/>
</initialValue>
</variable>
<variable name="NotInitializedVariable">
<type>
<DINT/>
</type>
</variable>
<variable name="counter">
<type>
<DINT/>
</type>
</variable>
</localVars>
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<body>
<FBD>
<inVariable localId="127" executionOrderId="0" height="30" width="72" negated="false">
<position x="60" y="180"/>
<connectionPointOut>
<relPosition x="72" y="15"/>
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<expression>InitValue</expression>
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<outVariable localId="128" executionOrderId="0" height="30" width="145" negated="false">
<position x="180" y="180"/>
<connectionPointIn>
<relPosition x="0" y="15"/>
<connection refLocalId="127">
<position x="180" y="195"/>
<position x="132" y="195"/>
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<expression>NotInitializedVariable</expression>
</outVariable>
<comment localId="129" height="90" width="360">
<position x="65" y="40"/>
<content>
<xhtml:p><![CDATA[This program called only once at start.
See task configuration in config.resource1.]]></xhtml:p>
</content>
</comment>
<block localId="131" typeName="ADD" executionOrderId="0" height="95" width="70">
<position x="135" y="340"/>
<inputVariables>
<variable formalParameter="IN1">
<connectionPointIn>
<relPosition x="0" y="40"/>
<connection refLocalId="130">
<position x="135" y="380"/>
<position x="125" y="380"/>
<position x="125" y="325"/>
<position x="350" y="325"/>
<position x="350" y="380"/>
<position x="335" y="380"/>
</connection>
</connectionPointIn>
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<variable formalParameter="IN2">
<connectionPointIn>
<relPosition x="0" y="75"/>
<connection refLocalId="1">
<position x="135" y="415"/>
<position x="130" y="415"/>
<position x="130" y="415"/>
<position x="120" y="415"/>
</connection>
</connectionPointIn>
</variable>
</inputVariables>
<inOutVariables/>
<outputVariables>
<variable formalParameter="OUT">
<connectionPointOut>
<relPosition x="70" y="40"/>
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<inVariable localId="1" executionOrderId="0" height="35" width="60" negated="false">
<position x="60" y="400"/>
<connectionPointOut>
<relPosition x="60" y="15"/>
</connectionPointOut>
<expression>1</expression>
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<inOutVariable localId="130" executionOrderId="0" height="35" width="60" negatedOut="false" negatedIn="false">
<position x="275" y="365"/>
<connectionPointIn>
<relPosition x="0" y="15"/>
<connection refLocalId="131" formalParameter="OUT">
<position x="275" y="380"/>
<position x="205" y="380"/>
</connection>
</connectionPointIn>
<connectionPointOut>
<relPosition x="60" y="15"/>
</connectionPointOut>
<expression>counter</expression>
</inOutVariable>
<comment localId="2" height="75" width="355">
<position x="70" y="240"/>
<content>
<xhtml:p><![CDATA[Counts how many times the program is called.
Check counter value in debugger.]]></xhtml:p>
</content>
</comment>
</FBD>
</body>
<documentation>
<xhtml:p><![CDATA[]]></xhtml:p>
</documentation>
</pou>
<pou name="clock" pouType="functionBlock">
<interface>
<localVars>
<variable name="TimerOn">
<type>
<derived name="TON"/>
</type>
</variable>
</localVars>
<outputVars>
<variable name="Out">
<type>
<BOOL/>
</type>
</variable>
</outputVars>
<inputVars>
<variable name="Period">
<type>
<TIME/>
</type>
<initialValue>
<simpleValue value="T#3s"/>
</initialValue>
</variable>
</inputVars>
<localVars>
<variable name="TimerOff">
<type>
<derived name="TON"/>
</type>
</variable>
</localVars>
</interface>
<body>
<FBD>
<block localId="14" typeName="TON" instanceName="TimerOn" executionOrderId="0" height="100" width="50">
<position x="260" y="70"/>
<inputVariables>
<variable formalParameter="IN">
<connectionPointIn>
<relPosition x="0" y="40"/>
<connection refLocalId="2" formalParameter="Q">
<position x="260" y="110"/>
<position x="245" y="110"/>
<position x="245" y="10"/>
<position x="520" y="10"/>
<position x="520" y="110"/>
<position x="510" y="110"/>
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</connectionPointIn>
</variable>
<variable formalParameter="PT">
<connectionPointIn>
<relPosition x="0" y="80"/>
<connection refLocalId="16" formalParameter="OUT">
<position x="260" y="150"/>
<position x="225" y="150"/>
<position x="225" y="250"/>
<position x="190" y="250"/>
</connection>
</connectionPointIn>
</variable>
</inputVariables>
<inOutVariables/>
<outputVariables>
<variable formalParameter="Q">
<connectionPointOut>
<relPosition x="50" y="40"/>
</connectionPointOut>
</variable>
<variable formalParameter="ET">
<connectionPointOut>
<relPosition x="50" y="80"/>
</connectionPointOut>
</variable>
</outputVariables>
</block>
<block localId="2" typeName="TON" instanceName="TimerOff" executionOrderId="0" height="100" width="50">
<position x="460" y="70"/>
<inputVariables>
<variable formalParameter="IN">
<connectionPointIn>
<relPosition x="0" y="40"/>
<connection refLocalId="14" formalParameter="Q">
<position x="460" y="110"/>
<position x="310" y="110"/>
</connection>
</connectionPointIn>
</variable>
<variable formalParameter="PT">
<connectionPointIn>
<relPosition x="0" y="80"/>
<connection refLocalId="16" formalParameter="OUT">
<position x="460" y="150"/>
<position x="350" y="150"/>
<position x="350" y="250"/>
<position x="190" y="250"/>
</connection>
</connectionPointIn>
</variable>
</inputVariables>
<inOutVariables/>
<outputVariables>
<variable formalParameter="Q" negated="true">
<connectionPointOut>
<relPosition x="50" y="40"/>
</connectionPointOut>
</variable>
<variable formalParameter="ET">
<connectionPointOut>
<relPosition x="50" y="80"/>
</connectionPointOut>
</variable>
</outputVariables>
</block>
<outVariable localId="15" executionOrderId="0" height="35" width="35" negated="false">
<position x="365" y="25"/>
<connectionPointIn>
<relPosition x="0" y="15"/>
<connection refLocalId="14" formalParameter="Q">
<position x="365" y="40"/>
<position x="340" y="40"/>
<position x="340" y="110"/>
<position x="310" y="110"/>
</connection>
</connectionPointIn>
<expression>Out</expression>
</outVariable>
<block localId="16" typeName="DIV" executionOrderId="0" height="80" width="70">
<position x="120" y="215"/>
<inputVariables>
<variable formalParameter="IN1">
<connectionPointIn>
<relPosition x="0" y="35"/>
<connection refLocalId="1">
<position x="120" y="250"/>
<position x="75" y="250"/>
</connection>
</connectionPointIn>
</variable>
<variable formalParameter="IN2">
<connectionPointIn>
<relPosition x="0" y="65"/>
<connection refLocalId="4">
<position x="120" y="280"/>
<position x="75" y="280"/>
</connection>
</connectionPointIn>
</variable>
</inputVariables>
<inOutVariables/>
<outputVariables>
<variable formalParameter="OUT">
<connectionPointOut>
<relPosition x="70" y="35"/>
</connectionPointOut>
</variable>
</outputVariables>
</block>
<inVariable localId="1" executionOrderId="0" height="30" width="55" negated="false">
<position x="20" y="235"/>
<connectionPointOut>
<relPosition x="55" y="15"/>
</connectionPointOut>
<expression>Period</expression>
</inVariable>
<inVariable localId="4" executionOrderId="0" height="30" width="55" negated="false">
<position x="20" y="265"/>
<connectionPointOut>
<relPosition x="55" y="15"/>
</connectionPointOut>
<expression>2</expression>
</inVariable>
</FBD>
</body>
</pou>
<pou name="axis" pouType="functionBlock">
<interface>
<inputVars>
<variable name="Power">
<type>
<BOOL/>
</type>
</variable>
<variable name="Up">
<type>
<BOOL/>
</type>
</variable>
<variable name="Down">
<type>
<BOOL/>
</type>
</variable>
</inputVars>
<outputVars>
<variable name="Out">
<type>
<INT/>
</type>
</variable>
</outputVars>
<localVars>
<variable name="axis_conuter">
<type>
<derived name="CTUD"/>
</type>
</variable>
<variable name="clock0">
<type>
<derived name="clock"/>
</type>
</variable>
</localVars>
</interface>
<body>
<FBD>
<block localId="297" typeName="CTUD" instanceName="axis_conuter" executionOrderId="0" height="310" width="70">
<position x="645" y="30"/>
<inputVariables>
<variable formalParameter="CU" edge="rising">
<connectionPointIn>
<relPosition x="0" y="50"/>
<connection refLocalId="303" formalParameter="OUT">
<position x="645" y="80"/>
<position x="580" y="80"/>
</connection>
</connectionPointIn>
</variable>
<variable formalParameter="CD" edge="rising">
<connectionPointIn>
<relPosition x="0" y="105"/>
<connection refLocalId="2" formalParameter="OUT">
<position x="645" y="135"/>
<position x="612" y="135"/>
<position x="612" y="150"/>
<position x="580" y="150"/>
</connection>
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</variable>
<variable formalParameter="R">
<connectionPointIn>
<relPosition x="0" y="165"/>
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</variable>
<variable formalParameter="LD">
<connectionPointIn>
<relPosition x="0" y="225"/>
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<variable formalParameter="PV">
<connectionPointIn>
<relPosition x="0" y="280"/>
<connection refLocalId="3">
<position x="645" y="310"/>
<position x="610" y="310"/>
</connection>
</connectionPointIn>
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<inOutVariables/>
<outputVariables>
<variable formalParameter="QU">
<connectionPointOut>
<relPosition x="70" y="50"/>
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<variable formalParameter="QD">
<connectionPointOut>
<relPosition x="70" y="105"/>
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</variable>
<variable formalParameter="CV">
<connectionPointOut>
<relPosition x="70" y="165"/>
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</variable>
<variable formalParameter="CD_T">
<connectionPointOut>
<relPosition x="70" y="225"/>
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</variable>
<variable formalParameter="CU_T">
<connectionPointOut>
<relPosition x="70" y="280"/>
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<outVariable localId="298" executionOrderId="0" height="35" width="35" negated="false">
<position x="750" y="180"/>
<connectionPointIn>
<relPosition x="0" y="15"/>
<connection refLocalId="297" formalParameter="CV">
<position x="750" y="195"/>
<position x="715" y="195"/>
</connection>
</connectionPointIn>
<expression>Out</expression>
</outVariable>
<block localId="299" typeName="clock" instanceName="clock0" executionOrderId="0" height="70" width="85">
<position x="165" y="270"/>
<inputVariables>
<variable formalParameter="Period">
<connectionPointIn>
<relPosition x="0" y="45"/>
<connection refLocalId="1">
<position x="165" y="315"/>
<position x="110" y="315"/>
</connection>
</connectionPointIn>
</variable>
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<inOutVariables/>
<outputVariables>
<variable formalParameter="Out">
<connectionPointOut>
<relPosition x="85" y="45"/>
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<inVariable localId="300" executionOrderId="0" height="35" width="55" negated="false">
<position x="35" y="205"/>
<connectionPointOut>
<relPosition x="55" y="15"/>
</connectionPointOut>
<expression>Power</expression>
</inVariable>
<inVariable localId="1" executionOrderId="0" height="35" width="75" negated="false">
<position x="35" y="300"/>
<connectionPointOut>
<relPosition x="75" y="15"/>
</connectionPointOut>
<expression>T#100ms</expression>
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<inVariable localId="301" executionOrderId="0" height="35" width="55" negated="false">
<position x="340" y="85"/>
<connectionPointOut>
<relPosition x="55" y="15"/>
</connectionPointOut>
<expression>Up</expression>
</inVariable>
<inVariable localId="302" executionOrderId="0" height="35" width="50" negated="false">
<position x="340" y="155"/>
<connectionPointOut>
<relPosition x="50" y="15"/>
</connectionPointOut>
<expression>Down</expression>
</inVariable>
<block localId="303" typeName="AND" executionOrderId="0" height="60" width="110">
<position x="470" y="50"/>
<inputVariables>
<variable formalParameter="IN1">
<connectionPointIn>
<relPosition x="0" y="30"/>
<connection refLocalId="4" formalParameter="OUT">
<position x="470" y="80"/>
<position x="432" y="80"/>
<position x="432" y="275"/>
<position x="395" y="275"/>
</connection>
</connectionPointIn>
</variable>
<variable formalParameter="IN2">
<connectionPointIn>
<relPosition x="0" y="50"/>
<connection refLocalId="301">
<position x="470" y="100"/>
<position x="395" y="100"/>
</connection>
</connectionPointIn>
</variable>
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<inOutVariables/>
<outputVariables>
<variable formalParameter="OUT">
<connectionPointOut>
<relPosition x="110" y="30"/>
</connectionPointOut>
</variable>
</outputVariables>
</block>
<block localId="2" typeName="AND" executionOrderId="0" height="60" width="110">
<position x="470" y="120"/>
<inputVariables>
<variable formalParameter="IN1">
<connectionPointIn>
<relPosition x="0" y="30"/>
<connection refLocalId="4" formalParameter="OUT">
<position x="470" y="150"/>
<position x="432" y="150"/>
<position x="432" y="275"/>
<position x="395" y="275"/>
</connection>
</connectionPointIn>
</variable>
<variable formalParameter="IN2">
<connectionPointIn>
<relPosition x="0" y="50"/>
<connection refLocalId="302">
<position x="470" y="170"/>
<position x="390" y="170"/>
</connection>
</connectionPointIn>
</variable>
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<inOutVariables/>
<outputVariables>
<variable formalParameter="OUT">
<connectionPointOut>
<relPosition x="110" y="30"/>
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<inVariable localId="3" executionOrderId="0" height="35" width="85" negated="false">
<position x="525" y="295"/>
<connectionPointOut>
<relPosition x="85" y="15"/>
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<expression>INT#32767</expression>
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<block localId="4" typeName="AND" executionOrderId="0" height="100" width="110">
<position x="285" y="235"/>
<inputVariables>
<variable formalParameter="IN1">
<connectionPointIn>
<relPosition x="0" y="40"/>
<connection refLocalId="300">
<position x="285" y="275"/>
<position x="265" y="275"/>
<position x="265" y="220"/>
<position x="90" y="220"/>
</connection>
</connectionPointIn>
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<variable formalParameter="IN2">
<connectionPointIn>
<relPosition x="0" y="80"/>
<connection refLocalId="299" formalParameter="Out">
<position x="285" y="315"/>
<position x="250" y="315"/>
</connection>
</connectionPointIn>
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<inOutVariables/>
<outputVariables>
<variable formalParameter="OUT">
<connectionPointOut>
<relPosition x="110" y="40"/>
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</FBD>
</body>
</pou>
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<configuration name="config">
<resource name="resource1">
<task name="InitOneShot" priority="0" single="Initialize">
<pouInstance name="Initializer" typeName="Declarations"/>
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<task name="ControlTask" priority="1" interval="T#2ms">
<pouInstance name="MainInstance" typeName="main"/>
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<task name="GUIupdate" priority="0" interval="T#200ms">
<pouInstance name="PosReader" typeName="ReadGUIdata"/>
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<BOOL/>
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<initialValue>
<simpleValue value="TRUE"/>
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</configurations>
</instances>
</project>