Runtime: Added PostStart methot to PLCObject, called after PLC is started, with all libraries and python object already created, and python extensions "Start" methods being called.
This is called before python thread processing py_eval blocks starts. Example purpose: attach additional ressource to web services
<?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="2019-08-06T14:23:42"/>
<contentHeader name="Unnamed" modificationDateTime="2020-09-30T13:04:27">
<coordinateInfo>
<fbd>
<scaling x="5" y="5"/>
</fbd>
<ld>
<scaling x="0" y="0"/>
</ld>
<sfc>
<scaling x="0" y="0"/>
</sfc>
</coordinateInfo>
</contentHeader>
<types>
<dataTypes/>
<pous>
<pou name="MainStuff" pouType="program">
<interface>
<localVars>
<variable name="TargetPressure">
<type>
<derived name="HMI_INT"/>
</type>
</variable>
<variable name="selection">
<type>
<derived name="HMI_INT"/>
</type>
</variable>
<variable name="Pump0">
<type>
<derived name="PumpControl"/>
</type>
</variable>
<variable name="TestButton">
<type>
<derived name="HMI_BOOL"/>
</type>
</variable>
<variable name="TestLocal">
<type>
<BOOL/>
</type>
</variable>
<variable name="Multistate">
<type>
<derived name="HMI_INT"/>
</type>
</variable>
<variable name="Radiostate">
<type>
<derived name="HMI_INT"/>
</type>
</variable>
<variable name="Toggle">
<type>
<derived name="HMI_BOOL"/>
</type>
</variable>
<variable name="Toggle1">
<type>
<derived name="HMI_BOOL"/>
</type>
</variable>
<variable name="Toggle2">
<type>
<derived name="HMI_BOOL"/>
</type>
</variable>
<variable name="MultistateExt">
<type>
<INT/>
</type>
</variable>
<variable name="Speed">
<type>
<derived name="HMI_INT"/>
</type>
</variable>
</localVars>
</interface>
<body>
<FBD>
<block localId="4" typeName="PumpControl" instanceName="Pump0" executionOrderId="0" height="40" width="127">
<position x="595" y="50"/>
<inputVariables>
<variable formalParameter="TargetPressure">
<connectionPointIn>
<relPosition x="0" y="30"/>
<connection refLocalId="5">
<position x="595" y="80"/>
<position x="570" y="80"/>
</connection>
</connectionPointIn>
</variable>
</inputVariables>
<inOutVariables/>
<outputVariables/>
</block>
<inVariable localId="5" executionOrderId="0" height="30" width="125" negated="false">
<position x="445" y="65"/>
<connectionPointOut>
<relPosition x="125" y="15"/>
</connectionPointOut>
<expression>TargetPressure</expression>
</inVariable>
<inVariable localId="6" executionOrderId="0" height="25" width="90" negated="false">
<position x="130" y="60"/>
<connectionPointOut>
<relPosition x="90" y="10"/>
</connectionPointOut>
<expression>TestButton</expression>
</inVariable>
<outVariable localId="7" executionOrderId="0" height="25" width="85" negated="false">
<position x="495" y="220"/>
<connectionPointIn>
<relPosition x="0" y="10"/>
<connection refLocalId="6">
<position x="495" y="230"/>
<position x="367" y="230"/>
<position x="367" y="70"/>
<position x="220" y="70"/>
</connection>
</connectionPointIn>
<expression>TestLocal</expression>
</outVariable>
<inVariable localId="1" executionOrderId="0" height="25" width="115" negated="false">
<position x="175" y="355"/>
<connectionPointOut>
<relPosition x="115" y="10"/>
</connectionPointOut>
<expression>Multistate</expression>
</inVariable>
<outVariable localId="8" executionOrderId="0" height="25" width="115" negated="false">
<position x="495" y="355"/>
<connectionPointIn>
<relPosition x="0" y="10"/>
<connection refLocalId="1">
<position x="495" y="365"/>
<position x="290" y="365"/>
</connection>
</connectionPointIn>
<expression>MultistateExt</expression>
</outVariable>
</FBD>
</body>
</pou>
<pou name="PumpControl" pouType="functionBlock">
<interface>
<localVars>
<variable name="Pump">
<type>
<derived name="HMI_NODE"/>
</type>
</variable>
<variable name="Pressure">
<type>
<derived name="HMI_INT"/>
</type>
</variable>
</localVars>
<inputVars>
<variable name="TargetPressure">
<type>
<INT/>
</type>
</variable>
</inputVars>
<localVars>
<variable name="Sloth">
<type>
<derived name="HMI_INT"/>
</type>
</variable>
<variable name="boolout">
<type>
<derived name="HMI_BOOL"/>
</type>
</variable>
<variable name="boolin">
<type>
<derived name="HMI_BOOL"/>
</type>
<initialValue>
<simpleValue value="True"/>
</initialValue>
</variable>
<variable name="strout">
<type>
<derived name="HMI_STRING"/>
</type>
</variable>
<variable name="strin">
<type>
<derived name="HMI_STRING"/>
</type>
<initialValue>
<simpleValue value="blup"/>
</initialValue>
</variable>
</localVars>
</interface>
<body>
<FBD>
<inVariable localId="5" executionOrderId="0" height="30" width="125" negated="false">
<position x="150" y="100"/>
<connectionPointOut>
<relPosition x="125" y="15"/>
</connectionPointOut>
<expression>TargetPressure</expression>
</inVariable>
<block localId="6" typeName="ADD" executionOrderId="0" height="60" width="65">
<position x="405" y="65"/>
<inputVariables>
<variable formalParameter="IN1">
<connectionPointIn>
<relPosition x="0" y="30"/>
</connectionPointIn>
</variable>
<variable formalParameter="IN2">
<connectionPointIn>
<relPosition x="0" y="50"/>
<connection refLocalId="7" formalParameter="OUT">
<position x="405" y="115"/>
<position x="360" y="115"/>
</connection>
</connectionPointIn>
</variable>
</inputVariables>
<inOutVariables/>
<outputVariables>
<variable formalParameter="OUT">
<connectionPointOut>
<relPosition x="65" y="30"/>
</connectionPointOut>
</variable>
</outputVariables>
</block>
<inVariable localId="1" executionOrderId="0" height="30" width="75" negated="false">
<position x="150" y="135"/>
<connectionPointOut>
<relPosition x="75" y="15"/>
</connectionPointOut>
<expression>Pressure</expression>
</inVariable>
<block localId="7" typeName="SUB" executionOrderId="0" height="60" width="65">
<position x="295" y="85"/>
<inputVariables>
<variable formalParameter="IN1">
<connectionPointIn>
<relPosition x="0" y="30"/>
<connection refLocalId="5">
<position x="295" y="115"/>
<position x="275" y="115"/>
</connection>
</connectionPointIn>
</variable>
<variable formalParameter="IN2">
<connectionPointIn>
<relPosition x="0" y="50"/>
<connection refLocalId="1">
<position x="295" y="135"/>
<position x="285" y="135"/>
<position x="285" y="150"/>
<position x="225" y="150"/>
</connection>
</connectionPointIn>
</variable>
</inputVariables>
<inOutVariables/>
<outputVariables>
<variable formalParameter="OUT">
<connectionPointOut>
<relPosition x="65" y="30"/>
</connectionPointOut>
</variable>
</outputVariables>
</block>
<inVariable localId="2" executionOrderId="0" height="30" width="60" negated="false">
<position x="240" y="190"/>
<connectionPointOut>
<relPosition x="60" y="15"/>
</connectionPointOut>
<expression>Sloth</expression>
</inVariable>
<outVariable localId="3" executionOrderId="0" height="30" width="75" negated="false">
<position x="435" y="205"/>
<connectionPointIn>
<relPosition x="0" y="15"/>
<connection refLocalId="8" formalParameter="OUT">
<position x="435" y="220"/>
<position x="410" y="220"/>
</connection>
</connectionPointIn>
<expression>Pressure</expression>
</outVariable>
<block localId="8" typeName="DIV" executionOrderId="0" height="60" width="65">
<position x="345" y="190"/>
<inputVariables>
<variable formalParameter="IN1">
<connectionPointIn>
<relPosition x="0" y="30"/>
<connection refLocalId="2">
<position x="345" y="220"/>
<position x="335" y="220"/>
<position x="335" y="205"/>
<position x="300" y="205"/>
</connection>
</connectionPointIn>
</variable>
<variable formalParameter="IN2">
<connectionPointIn>
<relPosition x="0" y="50"/>
<connection refLocalId="9">
<position x="345" y="240"/>
<position x="300" y="240"/>
</connection>
</connectionPointIn>
</variable>
</inputVariables>
<inOutVariables/>
<outputVariables>
<variable formalParameter="OUT">
<connectionPointOut>
<relPosition x="65" y="30"/>
</connectionPointOut>
</variable>
</outputVariables>
</block>
<inVariable localId="9" executionOrderId="0" height="30" width="60" negated="false">
<position x="240" y="225"/>
<connectionPointOut>
<relPosition x="60" y="15"/>
</connectionPointOut>
<expression>100</expression>
</inVariable>
<block localId="10" typeName="CONCAT" executionOrderId="0" height="60" width="65">
<position x="360" y="345"/>
<inputVariables>
<variable formalParameter="IN1">
<connectionPointIn>
<relPosition x="0" y="30"/>
<connection refLocalId="13" formalParameter="OUT">
<position x="360" y="375"/>
<position x="330" y="375"/>
<position x="330" y="332"/>
<position x="440" y="332"/>
<position x="440" y="300"/>
<position x="430" y="300"/>
</connection>
</connectionPointIn>
</variable>
<variable formalParameter="IN2">
<connectionPointIn>
<relPosition x="0" y="50"/>
<connection refLocalId="14">
<position x="360" y="395"/>
<position x="322" y="395"/>
<position x="322" y="400"/>
<position x="285" y="400"/>
</connection>
</connectionPointIn>
</variable>
</inputVariables>
<inOutVariables/>
<outputVariables>
<variable formalParameter="OUT">
<connectionPointOut>
<relPosition x="65" y="30"/>
</connectionPointOut>
</variable>
</outputVariables>
</block>
<outVariable localId="11" executionOrderId="0" height="30" width="58" negated="false">
<position x="495" y="355"/>
<connectionPointIn>
<relPosition x="0" y="15"/>
<connection refLocalId="10" formalParameter="OUT">
<position x="495" y="370"/>
<position x="450" y="370"/>
<position x="450" y="375"/>
<position x="425" y="375"/>
</connection>
</connectionPointIn>
<expression>strout</expression>
</outVariable>
<inVariable localId="12" executionOrderId="0" height="30" width="125" negated="false">
<position x="145" y="285"/>
<connectionPointOut>
<relPosition x="125" y="15"/>
</connectionPointOut>
<expression>TargetPressure</expression>
</inVariable>
<block localId="13" typeName="INT_TO_STRING" executionOrderId="0" height="40" width="115">
<position x="315" y="270"/>
<inputVariables>
<variable formalParameter="IN">
<connectionPointIn>
<relPosition x="0" y="30"/>
<connection refLocalId="12">
<position x="315" y="300"/>
<position x="270" y="300"/>
</connection>
</connectionPointIn>
</variable>
</inputVariables>
<inOutVariables/>
<outputVariables>
<variable formalParameter="OUT">
<connectionPointOut>
<relPosition x="115" y="30"/>
</connectionPointOut>
</variable>
</outputVariables>
</block>
<inVariable localId="14" executionOrderId="0" height="30" width="50" negated="false">
<position x="235" y="385"/>
<connectionPointOut>
<relPosition x="50" y="15"/>
</connectionPointOut>
<expression>strin</expression>
</inVariable>
<inVariable localId="15" executionOrderId="0" height="30" width="60" negated="false">
<position x="690" y="210"/>
<connectionPointOut>
<relPosition x="60" y="15"/>
</connectionPointOut>
<expression>boolin</expression>
</inVariable>
<outVariable localId="16" executionOrderId="0" height="30" width="70" negated="false">
<position x="915" y="240"/>
<connectionPointIn>
<relPosition x="0" y="15"/>
<connection refLocalId="17" formalParameter="OUT">
<position x="915" y="255"/>
<position x="880" y="255"/>
</connection>
</connectionPointIn>
<expression>boolout</expression>
</outVariable>
<block localId="17" typeName="AND" executionOrderId="0" height="60" width="65">
<position x="815" y="225"/>
<inputVariables>
<variable formalParameter="IN1">
<connectionPointIn>
<relPosition x="0" y="30"/>
<connection refLocalId="15">
<position x="815" y="255"/>
<position x="762" y="255"/>
<position x="762" y="225"/>
<position x="750" y="225"/>
</connection>
</connectionPointIn>
</variable>
<variable formalParameter="IN2">
<connectionPointIn>
<relPosition x="0" y="50"/>
<connection refLocalId="21" formalParameter="OUT">
<position x="815" y="275"/>
<position x="750" y="275"/>
</connection>
</connectionPointIn>
</variable>
</inputVariables>
<inOutVariables/>
<outputVariables>
<variable formalParameter="OUT">
<connectionPointOut>
<relPosition x="65" y="30"/>
</connectionPointOut>
</variable>
</outputVariables>
</block>
<inVariable localId="18" executionOrderId="0" height="30" width="75" negated="false">
<position x="455" y="260"/>
<connectionPointOut>
<relPosition x="75" y="15"/>
</connectionPointOut>
<expression>Pressure</expression>
</inVariable>
<block localId="19" typeName="MOD" executionOrderId="0" height="60" width="65">
<position x="585" y="245"/>
<inputVariables>
<variable formalParameter="IN1">
<connectionPointIn>
<relPosition x="0" y="30"/>
<connection refLocalId="18">
<position x="585" y="275"/>
<position x="530" y="275"/>
</connection>
</connectionPointIn>
</variable>
<variable formalParameter="IN2">
<connectionPointIn>
<relPosition x="0" y="50"/>
<connection refLocalId="20">
<position x="585" y="295"/>
<position x="555" y="295"/>
</connection>
</connectionPointIn>
</variable>
</inputVariables>
<inOutVariables/>
<outputVariables>
<variable formalParameter="OUT">
<connectionPointOut>
<relPosition x="65" y="30"/>
</connectionPointOut>
</variable>
</outputVariables>
</block>
<inVariable localId="20" executionOrderId="0" height="30" width="20" negated="false">
<position x="535" y="280"/>
<connectionPointOut>
<relPosition x="20" y="15"/>
</connectionPointOut>
<expression>2</expression>
</inVariable>
<block localId="21" typeName="EQ" executionOrderId="0" height="60" width="65">
<position x="685" y="245"/>
<inputVariables>
<variable formalParameter="IN1">
<connectionPointIn>
<relPosition x="0" y="30"/>
<connection refLocalId="19" formalParameter="OUT">
<position x="685" y="275"/>
<position x="650" y="275"/>
</connection>
</connectionPointIn>
</variable>
<variable formalParameter="IN2">
<connectionPointIn>
<relPosition x="0" y="50"/>
<connection refLocalId="22">
<position x="685" y="295"/>
<position x="670" y="295"/>
<position x="670" y="330"/>
<position x="650" y="330"/>
</connection>
</connectionPointIn>
</variable>
</inputVariables>
<inOutVariables/>
<outputVariables>
<variable formalParameter="OUT">
<connectionPointOut>
<relPosition x="65" y="30"/>
</connectionPointOut>
</variable>
</outputVariables>
</block>
<inVariable localId="22" executionOrderId="0" height="30" width="20" negated="false">
<position x="630" y="315"/>
<connectionPointOut>
<relPosition x="20" y="15"/>
</connectionPointOut>
<expression>0</expression>
</inVariable>
<inVariable localId="4" executionOrderId="0" height="30" width="60" negated="false">
<position x="510" y="80"/>
<connectionPointOut>
<relPosition x="60" y="15"/>
</connectionPointOut>
<expression>Sloth</expression>
</inVariable>
</FBD>
</body>
</pou>
</pous>
</types>
<instances>
<configurations>
<configuration name="config">
<resource name="resource1">
<task name="task0" priority="0" interval="T#20ms">
<pouInstance name="instance0" typeName="MainStuff"/>
</task>
</resource>
</configuration>
</configurations>
</instances>
</project>