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or the Boolean variable is set as andrej@1546: long as the step is active. andrej@1546: andrej@1546: R : overriding reset – When the step has previously been executed with the S andrej@1546: (including DS, DS, and SL) qualifier, the R qualifier will stop the execution of the andrej@1546: code or reset the Boolean variable. andrej@1546: andrej@1546: S : set (stored) - The action code body is executed or the Boolean variable is set. andrej@1546: This state is stored as soon as the step becomes active. It can only be reset andrej@1546: explicitly by associating the same action to a different step using the qualifier 'R'. andrej@1546: andrej@1546: L : time limited - The action code body is executed or the Boolean variable is set as andrej@1546: long as the step is active but maximal for the fixed time interval. andrej@1546: andrej@1546: D : time delayed - The action code body is executed or the Boolean variable is set andrej@1546: after the fixed delay time has elapsed. The action remains active as long as the step andrej@1546: is active. If the step is active shorter than the fixed delay time the action does not andrej@1546: become active. andrej@1546: andrej@1546: P : pulse - As soon as the step is active the action code body is executed or the andrej@1546: Boolean variable is set for one operating cycle. (Note: The code body will then andrej@1546: execute for one additional operating cycle with the Step.X variable FALSE.) andrej@1546: andrej@1546: SD : stored and time delayed - the action code body is executed or the Boolean andrej@1546: variable is stored and set when the fixed delay time has elapsed after the step andrej@1546: activation, even if the step becomes inactive. The action remains active until it is andrej@1546: reset. If the step is active shorter than the fixed delay time the action becomes active andrej@1546: anyway. andrej@1546: andrej@1546: DS : delayed and stored - The action code body is executed or the Boolean variable andrej@1546: is set when the fixed delay time has elapsed after the step activation. The action andrej@1546: remains active until it is reset. If the step is active shorter than the fixed delay time andrej@1546: the action does not become active. andrej@1546: andrej@1546: SL : stored and time limited - The action code body is executed or the Boolean andrej@1546: variable is set and stored for a fixed time interval as soon as the step is active. If the andrej@1546: step is active shorter than the time interval the action is active for the whole time andrej@1546: interval anyway. If the action is reset during the time interval the action becomes andrej@1546: inactive as soon as the action is reset. andrej@1546: ]]></xhtml:p> andrej@1546: </content> andrej@1546: </comment> andrej@1546: <comment localId="46" height="160" width="375"> andrej@1546: <position x="8" y="326"/> andrej@1546: <content> andrej@1546: <xhtml:p><![CDATA[Conditions can be written in any IEC 61131-3 language. andrej@1546: They can be implemented in defferent ways: andrej@1546: - reference to external implementation; andrej@1546: - inline implementation; andrej@1546: - written in FBD or LD on SFC diagram and connected to the condition. andrej@1546: andrej@1546: See below examples of all these types.]]></xhtml:p> andrej@1546: </content> andrej@1546: </comment> andrej@1546: <leftPowerRail localId="47" height="40" width="3"> andrej@1546: <position x="189" y="838"/> andrej@1546: <connectionPointOut formalParameter=""> andrej@1546: <relPosition x="3" y="20"/> andrej@1546: </connectionPointOut> andrej@1546: </leftPowerRail> andrej@1546: <contact localId="48" height="15" width="21" negated="true"> andrej@1546: <position x="269" y="850"/> andrej@1546: <connectionPointIn> andrej@1546: <relPosition x="0" y="8"/> andrej@1546: <connection refLocalId="47"> andrej@1546: <position x="269" y="858"/> andrej@1546: <position x="192" y="858"/> andrej@1546: </connection> andrej@1546: </connectionPointIn> andrej@1546: <connectionPointOut> andrej@1546: <relPosition x="21" y="8"/> andrej@1546: </connectionPointOut> andrej@1546: <variable>SWITCH_BUTTON</variable> andrej@1546: </contact> andrej@1546: <comment localId="13" height="66" width="375"> andrej@1546: <position x="9" y="28"/> andrej@1546: <content> andrej@1546: <xhtml:p><![CDATA[ andrej@1546: Sequential function chart (SFC) is commonly used to describe state machines.]]></xhtml:p> andrej@1546: </content> andrej@1546: </comment> Laurent@1383: </SFC> Laurent@1383: </body> Laurent@1383: </pou> Laurent@1383: <pou name="main_program" pouType="program"> Laurent@1383: <interface> Laurent@1383: <localVars> Laurent@1383: <variable name="trafic_light_sequence0"> Laurent@1383: <type> Laurent@1383: <derived name="traffic_light_sequence"/> Laurent@1383: </type> Laurent@1383: </variable> Laurent@1383: <variable name="SwitchButton"> Laurent@1383: <type> Laurent@1383: <derived name="Button"/> Laurent@1383: </type> Laurent@1383: </variable> Laurent@1383: <variable name="PedestrianButton"> Laurent@1383: <type> Laurent@1383: <derived name="Button"/> Laurent@1383: </type> Laurent@1383: </variable> Laurent@1383: <variable name="RedLight"> Laurent@1383: <type> Laurent@1383: <derived name="Led"/> Laurent@1383: </type> Laurent@1383: </variable> Laurent@1383: <variable name="OrangeLight"> Laurent@1383: <type> Laurent@1383: <derived name="Led"/> Laurent@1383: </type> Laurent@1383: </variable> Laurent@1383: <variable name="GreenLight"> Laurent@1383: <type> Laurent@1383: <derived name="Led"/> Laurent@1383: </type> Laurent@1383: </variable> Laurent@1383: <variable name="PedestrianRedLight"> Laurent@1383: <type> Laurent@1383: <derived name="Led"/> Laurent@1383: </type> Laurent@1383: </variable> Laurent@1383: <variable name="PedestrianGreenLight"> Laurent@1383: <type> Laurent@1383: <derived name="Led"/> Laurent@1383: </type> Laurent@1383: </variable> Laurent@1383: </localVars> Laurent@1383: </interface> Laurent@1383: <body> Laurent@1383: <FBD> andrej@1546: <block localId="1" width="349" height="836" typeName="traffic_light_sequence" instanceName="trafic_light_sequence0" executionOrderId="0"> andrej@1546: <position x="470" y="406"/> Laurent@1383: <inputVariables> Laurent@1383: <variable formalParameter="SWITCH_BUTTON"> Laurent@1383: <connectionPointIn> Laurent@1383: <relPosition x="0" y="101"/> Laurent@1383: <connection refLocalId="2" formalParameter="state_out"> andrej@1546: <position x="470" y="507"/> andrej@1546: <position x="333" y="507"/> Laurent@1383: </connection> Laurent@1383: </connectionPointIn> Laurent@1383: </variable> Laurent@1383: <variable formalParameter="PEDESTRIAN_BUTTON"> Laurent@1383: <connectionPointIn> Laurent@1383: <relPosition x="0" y="264"/> Laurent@1383: <connection refLocalId="3" formalParameter="state_out"> andrej@1546: <position x="470" y="670"/> andrej@1546: <position x="402" y="670"/> andrej@1546: <position x="402" y="721"/> andrej@1546: <position x="335" y="721"/> Laurent@1383: </connection> Laurent@1383: </connectionPointIn> Laurent@1383: </variable> Laurent@1383: </inputVariables> Laurent@1383: <inOutVariables/> Laurent@1383: <outputVariables> Laurent@1383: <variable formalParameter="RED_LIGHT"> Laurent@1383: <connectionPointOut> Laurent@1383: <relPosition x="349" y="101"/> Laurent@1383: </connectionPointOut> Laurent@1383: </variable> Laurent@1383: <variable formalParameter="ORANGE_LIGHT"> Laurent@1383: <connectionPointOut> Laurent@1383: <relPosition x="349" y="264"/> Laurent@1383: </connectionPointOut> Laurent@1383: </variable> Laurent@1383: <variable formalParameter="GREEN_LIGHT"> Laurent@1383: <connectionPointOut> Laurent@1383: <relPosition x="349" y="427"/> Laurent@1383: </connectionPointOut> Laurent@1383: </variable> Laurent@1383: <variable formalParameter="PEDESTRIAN_RED_LIGHT"> Laurent@1383: <connectionPointOut> Laurent@1383: <relPosition x="349" y="590"/> Laurent@1383: </connectionPointOut> Laurent@1383: </variable> Laurent@1383: <variable formalParameter="PEDESTRIAN_GREEN_LIGHT"> Laurent@1383: <connectionPointOut> Laurent@1383: <relPosition x="349" y="753"/> Laurent@1383: </connectionPointOut> Laurent@1383: </variable> Laurent@1383: </outputVariables> Laurent@1383: </block> andrej@1546: <block localId="2" width="143" height="183" typeName="Button" instanceName="SwitchButton" executionOrderId="0"> andrej@1546: <position x="190" y="471"/> Laurent@1383: <inputVariables> Laurent@1383: <variable formalParameter="back_id"> Laurent@1383: <connectionPointIn> Laurent@1383: <relPosition x="0" y="36"/> Laurent@1383: <connection refLocalId="5"> andrej@1546: <position x="190" y="507"/> andrej@1546: <position x="136" y="507"/> Laurent@1383: </connection> Laurent@1383: </connectionPointIn> Laurent@1383: </variable> Laurent@1383: <variable formalParameter="sele_id"> Laurent@1383: <connectionPointIn> Laurent@1383: <relPosition x="0" y="68"/> Laurent@1383: <connection refLocalId="6"> andrej@1546: <position x="190" y="539"/> andrej@1546: <position x="136" y="539"/> Laurent@1383: </connection> Laurent@1383: </connectionPointIn> Laurent@1383: </variable> Laurent@1383: <variable formalParameter="toggle"> Laurent@1383: <connectionPointIn> Laurent@1383: <relPosition x="0" y="100"/> Laurent@1383: <connection refLocalId="4"> andrej@1546: <position x="190" y="571"/> andrej@1546: <position x="136" y="571"/> Laurent@1383: </connection> Laurent@1383: </connectionPointIn> Laurent@1383: </variable> Laurent@1383: <variable formalParameter="set_state"> Laurent@1383: <connectionPointIn> Laurent@1383: <relPosition x="0" y="132"/> Laurent@1383: </connectionPointIn> Laurent@1383: </variable> Laurent@1383: <variable formalParameter="state_in"> Laurent@1383: <connectionPointIn> Laurent@1383: <relPosition x="0" y="164"/> Laurent@1383: </connectionPointIn> Laurent@1383: </variable> Laurent@1383: </inputVariables> Laurent@1383: <inOutVariables/> Laurent@1383: <outputVariables> Laurent@1383: <variable formalParameter="state_out"> Laurent@1383: <connectionPointOut> Laurent@1383: <relPosition x="143" y="36"/> Laurent@1383: </connectionPointOut> Laurent@1383: </variable> Laurent@1383: </outputVariables> Laurent@1383: </block> andrej@1546: <block localId="3" width="143" height="198" typeName="Button" instanceName="PedestrianButton" executionOrderId="0"> andrej@1546: <position x="192" y="684"/> Laurent@1383: <inputVariables> Laurent@1383: <variable formalParameter="back_id"> Laurent@1383: <connectionPointIn> Laurent@1383: <relPosition x="0" y="37"/> Laurent@1383: <connection refLocalId="7"> andrej@1546: <position x="192" y="721"/> andrej@1546: <position x="159" y="721"/> Laurent@1383: </connection> Laurent@1383: </connectionPointIn> Laurent@1383: </variable> Laurent@1383: <variable formalParameter="sele_id"> Laurent@1383: <connectionPointIn> Laurent@1383: <relPosition x="0" y="72"/> Laurent@1383: <connection refLocalId="8"> andrej@1546: <position x="192" y="756"/> andrej@1546: <position x="159" y="756"/> Laurent@1383: </connection> Laurent@1383: </connectionPointIn> Laurent@1383: </variable> Laurent@1383: <variable formalParameter="toggle"> Laurent@1383: <connectionPointIn> Laurent@1383: <relPosition x="0" y="107"/> Laurent@1383: </connectionPointIn> Laurent@1383: </variable> Laurent@1383: <variable formalParameter="set_state"> Laurent@1383: <connectionPointIn> Laurent@1383: <relPosition x="0" y="142"/> Laurent@1383: </connectionPointIn> Laurent@1383: </variable> Laurent@1383: <variable formalParameter="state_in"> Laurent@1383: <connectionPointIn> Laurent@1383: <relPosition x="0" y="177"/> Laurent@1383: </connectionPointIn> Laurent@1383: </variable> Laurent@1383: </inputVariables> Laurent@1383: <inOutVariables/> Laurent@1383: <outputVariables> Laurent@1383: <variable formalParameter="state_out"> Laurent@1383: <connectionPointOut> Laurent@1383: <relPosition x="143" y="37"/> Laurent@1383: </connectionPointOut> Laurent@1383: </variable> Laurent@1383: </outputVariables> Laurent@1383: </block> andrej@1546: <inVariable localId="4" height="27" width="18" executionOrderId="0" negated="false"> andrej@1546: <position x="118" y="558"/> Laurent@1383: <connectionPointOut> Laurent@1383: <relPosition x="18" y="13"/> Laurent@1383: </connectionPointOut> Laurent@1383: <expression>1</expression> Laurent@1383: </inVariable> andrej@1546: <inVariable localId="5" height="27" width="105" executionOrderId="0" negated="false"> andrej@1546: <position x="31" y="494"/> Laurent@1383: <connectionPointOut> Laurent@1383: <relPosition x="105" y="13"/> Laurent@1383: </connectionPointOut> Laurent@1383: <expression>'SWITCH_OFF'</expression> Laurent@1383: </inVariable> andrej@1546: <inVariable localId="6" height="27" width="105" executionOrderId="0" negated="false"> andrej@1546: <position x="31" y="526"/> Laurent@1383: <connectionPointOut> Laurent@1383: <relPosition x="105" y="13"/> Laurent@1383: </connectionPointOut> Laurent@1383: <expression>'SWITCH_ON'</expression> Laurent@1383: </inVariable> andrej@1546: <inVariable localId="7" height="27" width="137" executionOrderId="0" negated="false"> andrej@1546: <position x="22" y="708"/> Laurent@1383: <connectionPointOut> Laurent@1383: <relPosition x="137" y="13"/> Laurent@1383: </connectionPointOut> Laurent@1383: <expression>'PEDESTRIAN_OFF'</expression> Laurent@1383: </inVariable> andrej@1546: <inVariable localId="8" height="27" width="137" executionOrderId="0" negated="false"> andrej@1546: <position x="22" y="743"/> Laurent@1383: <connectionPointOut> Laurent@1383: <relPosition x="137" y="13"/> Laurent@1383: </connectionPointOut> Laurent@1383: <expression>'PEDESTRIAN_ON'</expression> Laurent@1383: </inVariable> andrej@1546: <block localId="9" width="115" height="133" typeName="Led" instanceName="RedLight" executionOrderId="0"> andrej@1546: <position x="1057" y="395"/> Laurent@1383: <inputVariables> Laurent@1383: <variable formalParameter="back_id"> Laurent@1383: <connectionPointIn> Laurent@1383: <relPosition x="0" y="38"/> Laurent@1383: <connection refLocalId="10"> andrej@1546: <position x="1057" y="433"/> andrej@1546: <position x="1010" y="433"/> Laurent@1383: </connection> Laurent@1383: </connectionPointIn> Laurent@1383: </variable> Laurent@1383: <variable formalParameter="sele_id"> Laurent@1383: <connectionPointIn> Laurent@1383: <relPosition x="0" y="75"/> Laurent@1383: <connection refLocalId="11"> andrej@1546: <position x="1057" y="470"/> andrej@1546: <position x="1010" y="470"/> Laurent@1383: </connection> Laurent@1383: </connectionPointIn> Laurent@1383: </variable> Laurent@1383: <variable formalParameter="state_in"> Laurent@1383: <connectionPointIn> Laurent@1383: <relPosition x="0" y="112"/> Laurent@1383: <connection refLocalId="1" formalParameter="RED_LIGHT"> andrej@1546: <position x="1057" y="507"/> andrej@1546: <position x="819" y="507"/> Laurent@1383: </connection> Laurent@1383: </connectionPointIn> Laurent@1383: </variable> Laurent@1383: </inputVariables> Laurent@1383: <inOutVariables/> Laurent@1383: <outputVariables/> Laurent@1383: </block> andrej@1546: <inVariable localId="10" height="27" width="79" executionOrderId="0" negated="false"> andrej@1546: <position x="931" y="420"/> Laurent@1383: <connectionPointOut> Laurent@1383: <relPosition x="79" y="13"/> Laurent@1383: </connectionPointOut> Laurent@1383: <expression>'RED_OFF'</expression> Laurent@1383: </inVariable> andrej@1546: <inVariable localId="11" height="27" width="79" executionOrderId="0" negated="false"> andrej@1546: <position x="931" y="457"/> Laurent@1383: <connectionPointOut> Laurent@1383: <relPosition x="79" y="13"/> Laurent@1383: </connectionPointOut> Laurent@1383: <expression>'RED_ON'</expression> Laurent@1383: </inVariable> andrej@1546: <block localId="12" width="115" height="133" typeName="Led" instanceName="OrangeLight" executionOrderId="0"> andrej@1546: <position x="1058" y="558"/> Laurent@1383: <inputVariables> Laurent@1383: <variable formalParameter="back_id"> Laurent@1383: <connectionPointIn> Laurent@1383: <relPosition x="0" y="38"/> Laurent@1383: <connection refLocalId="13"> andrej@1546: <position x="1058" y="596"/> andrej@1546: <position x="1010" y="596"/> Laurent@1383: </connection> Laurent@1383: </connectionPointIn> Laurent@1383: </variable> Laurent@1383: <variable formalParameter="sele_id"> Laurent@1383: <connectionPointIn> Laurent@1383: <relPosition x="0" y="75"/> Laurent@1383: <connection refLocalId="14"> andrej@1546: <position x="1058" y="633"/> andrej@1546: <position x="1010" y="633"/> Laurent@1383: </connection> Laurent@1383: </connectionPointIn> Laurent@1383: </variable> Laurent@1383: <variable formalParameter="state_in"> Laurent@1383: <connectionPointIn> Laurent@1383: <relPosition x="0" y="112"/> Laurent@1383: <connection refLocalId="1" formalParameter="ORANGE_LIGHT"> andrej@1546: <position x="1058" y="670"/> andrej@1546: <position x="819" y="670"/> Laurent@1383: </connection> Laurent@1383: </connectionPointIn> Laurent@1383: </variable> Laurent@1383: </inputVariables> Laurent@1383: <inOutVariables/> Laurent@1383: <outputVariables/> Laurent@1383: </block> andrej@1546: <inVariable localId="13" height="27" width="111" executionOrderId="0" negated="false"> andrej@1546: <position x="899" y="583"/> Laurent@1383: <connectionPointOut> Laurent@1383: <relPosition x="111" y="13"/> Laurent@1383: </connectionPointOut> Laurent@1383: <expression>'ORANGE_OFF'</expression> Laurent@1383: </inVariable> andrej@1546: <inVariable localId="14" height="27" width="106" executionOrderId="0" negated="false"> andrej@1546: <position x="904" y="620"/> Laurent@1383: <connectionPointOut> Laurent@1383: <relPosition x="106" y="13"/> Laurent@1383: </connectionPointOut> Laurent@1383: <expression>'ORANGE_ON'</expression> Laurent@1383: </inVariable> andrej@1546: <block localId="15" width="115" height="133" typeName="Led" instanceName="GreenLight" executionOrderId="0"> andrej@1546: <position x="1058" y="721"/> Laurent@1383: <inputVariables> Laurent@1383: <variable formalParameter="back_id"> Laurent@1383: <connectionPointIn> Laurent@1383: <relPosition x="0" y="38"/> Laurent@1383: <connection refLocalId="16"> andrej@1546: <position x="1058" y="759"/> andrej@1546: <position x="1010" y="759"/> Laurent@1383: </connection> Laurent@1383: </connectionPointIn> Laurent@1383: </variable> Laurent@1383: <variable formalParameter="sele_id"> Laurent@1383: <connectionPointIn> Laurent@1383: <relPosition x="0" y="75"/> Laurent@1383: <connection refLocalId="17"> andrej@1546: <position x="1058" y="796"/> andrej@1546: <position x="1010" y="796"/> Laurent@1383: </connection> Laurent@1383: </connectionPointIn> Laurent@1383: </variable> Laurent@1383: <variable formalParameter="state_in"> Laurent@1383: <connectionPointIn> Laurent@1383: <relPosition x="0" y="112"/> Laurent@1383: <connection refLocalId="1" formalParameter="GREEN_LIGHT"> andrej@1546: <position x="1058" y="833"/> andrej@1546: <position x="819" y="833"/> Laurent@1383: </connection> Laurent@1383: </connectionPointIn> Laurent@1383: </variable> Laurent@1383: </inputVariables> Laurent@1383: <inOutVariables/> Laurent@1383: <outputVariables/> Laurent@1383: </block> andrej@1546: <inVariable localId="16" height="27" width="111" executionOrderId="0" negated="false"> andrej@1546: <position x="899" y="746"/> Laurent@1383: <connectionPointOut> Laurent@1383: <relPosition x="111" y="13"/> Laurent@1383: </connectionPointOut> Laurent@1383: <expression>'GREEN_OFF'</expression> Laurent@1383: </inVariable> andrej@1546: <inVariable localId="17" height="27" width="106" executionOrderId="0" negated="false"> andrej@1546: <position x="904" y="783"/> Laurent@1383: <connectionPointOut> Laurent@1383: <relPosition x="106" y="13"/> Laurent@1383: </connectionPointOut> Laurent@1383: <expression>'GREEN_ON'</expression> Laurent@1383: </inVariable> andrej@1546: <block localId="18" width="115" height="133" typeName="Led" instanceName="PedestrianRedLight" executionOrderId="0"> andrej@1546: <position x="1059" y="884"/> Laurent@1383: <inputVariables> Laurent@1383: <variable formalParameter="back_id"> Laurent@1383: <connectionPointIn> Laurent@1383: <relPosition x="0" y="38"/> Laurent@1383: <connection refLocalId="19"> andrej@1546: <position x="1059" y="922"/> andrej@1546: <position x="1020" y="922"/> Laurent@1383: </connection> Laurent@1383: </connectionPointIn> Laurent@1383: </variable> Laurent@1383: <variable formalParameter="sele_id"> Laurent@1383: <connectionPointIn> Laurent@1383: <relPosition x="0" y="75"/> Laurent@1383: <connection refLocalId="20"> andrej@1546: <position x="1059" y="959"/> andrej@1546: <position x="1020" y="959"/> Laurent@1383: </connection> Laurent@1383: </connectionPointIn> Laurent@1383: </variable> Laurent@1383: <variable formalParameter="state_in"> Laurent@1383: <connectionPointIn> Laurent@1383: <relPosition x="0" y="112"/> Laurent@1383: <connection refLocalId="1" formalParameter="PEDESTRIAN_RED_LIGHT"> andrej@1546: <position x="1059" y="996"/> andrej@1546: <position x="819" y="996"/> Laurent@1383: </connection> Laurent@1383: </connectionPointIn> Laurent@1383: </variable> Laurent@1383: </inputVariables> Laurent@1383: <inOutVariables/> Laurent@1383: <outputVariables/> Laurent@1383: </block> andrej@1546: <inVariable localId="19" height="27" width="171" executionOrderId="0" negated="false"> andrej@1546: <position x="849" y="909"/> Laurent@1383: <connectionPointOut> Laurent@1383: <relPosition x="171" y="13"/> Laurent@1383: </connectionPointOut> Laurent@1383: <expression>'PEDESTRIAN_RED_OFF'</expression> Laurent@1383: </inVariable> andrej@1546: <inVariable localId="20" height="27" width="166" executionOrderId="0" negated="false"> andrej@1546: <position x="854" y="946"/> Laurent@1383: <connectionPointOut> Laurent@1383: <relPosition x="166" y="13"/> Laurent@1383: </connectionPointOut> Laurent@1383: <expression>'PEDESTRIAN_RED_ON'</expression> Laurent@1383: </inVariable> andrej@1546: <block localId="21" width="115" height="133" typeName="Led" instanceName="PedestrianGreenLight" executionOrderId="0"> andrej@1546: <position x="1059" y="1047"/> Laurent@1383: <inputVariables> Laurent@1383: <variable formalParameter="back_id"> Laurent@1383: <connectionPointIn> Laurent@1383: <relPosition x="0" y="38"/> Laurent@1383: <connection refLocalId="22"> andrej@1546: <position x="1059" y="1085"/> andrej@1546: <position x="1035" y="1085"/> Laurent@1383: </connection> Laurent@1383: </connectionPointIn> Laurent@1383: </variable> Laurent@1383: <variable formalParameter="sele_id"> Laurent@1383: <connectionPointIn> Laurent@1383: <relPosition x="0" y="75"/> Laurent@1383: <connection refLocalId="23"> andrej@1546: <position x="1059" y="1122"/> andrej@1546: <position x="1035" y="1122"/> Laurent@1383: </connection> Laurent@1383: </connectionPointIn> Laurent@1383: </variable> Laurent@1383: <variable formalParameter="state_in"> Laurent@1383: <connectionPointIn> Laurent@1383: <relPosition x="0" y="112"/> Laurent@1383: <connection refLocalId="1" formalParameter="PEDESTRIAN_GREEN_LIGHT"> andrej@1546: <position x="1059" y="1159"/> andrej@1546: <position x="819" y="1159"/> Laurent@1383: </connection> Laurent@1383: </connectionPointIn> Laurent@1383: </variable> Laurent@1383: </inputVariables> Laurent@1383: <inOutVariables/> Laurent@1383: <outputVariables/> Laurent@1383: </block> andrej@1546: <inVariable localId="22" height="27" width="190" executionOrderId="0" negated="false"> andrej@1546: <position x="845" y="1072"/> Laurent@1383: <connectionPointOut> Laurent@1383: <relPosition x="190" y="13"/> Laurent@1383: </connectionPointOut> Laurent@1383: <expression>'PEDESTRIAN_GREEN_OFF'</expression> Laurent@1383: </inVariable> andrej@1546: <inVariable localId="23" height="27" width="185" executionOrderId="0" negated="false"> andrej@1546: <position x="850" y="1109"/> Laurent@1383: <connectionPointOut> Laurent@1383: <relPosition x="185" y="13"/> Laurent@1383: </connectionPointOut> Laurent@1383: <expression>'PEDESTRIAN_GREEN_ON'</expression> Laurent@1383: </inVariable> andrej@1546: <comment localId="24" height="262" width="804"> andrej@1546: <position x="22" y="13"/> andrej@1546: <content> andrej@1546: <xhtml:p><![CDATA[This example implements control of traffic lights. andrej@1546: andrej@1546: Basically it shows following features of Beremiz: andrej@1546: - web interface (SCADA) using integrated web server in svgui extension; andrej@1546: - interaction with web UI; andrej@1546: - functional blocks in SFC language. andrej@1546: andrej@1546: andrej@1546: andrej@1546: andrej@1546: SVGUI is extensions to build web interface to PLC. It has *integrated* web-server. So it's NOT necessary to install Apache, lighttpd or nginx for that!!! andrej@1546: andrej@1546: As the program is running in PLC, web UI will be available at http://localhost:8009/. andrej@1546: andrej@1546: Web interface is build as SVG file in Inkscape. To edit SVG file click 'Inkscape' button in 0x: svgui extension. andrej@1546: Inkscape is a free and open-source vector graphics editor. It's not part of Beremiz and needs to be installed separately. andrej@1546: ]]></xhtml:p> andrej@1546: </content> andrej@1546: </comment> andrej@1546: <comment localId="102" height="126" width="411"> andrej@1546: <position x="20" y="319"/> andrej@1546: <content> andrej@1546: <xhtml:p><![CDATA[In this example FB like 'Button', 'Led' and 'Text' are used. andrej@1546: Back_id and sele_id inputs of these blocks are IDs of andrej@1546: graphic primitives in SVG file. andrej@1546: This is the way how elements in SVG are bound to elements andrej@1546: in PLC program. You can find out or edit these IDs in Inkscape.]]></xhtml:p> andrej@1546: </content> andrej@1546: </comment> Laurent@1383: </FBD> Laurent@1383: </body> Laurent@1383: </pou> Laurent@1383: </pous> Laurent@1383: </types> Laurent@1383: <instances> Laurent@1383: <configurations> Laurent@1383: <configuration name="config"> Laurent@1383: <resource name="resource1"> Laurent@1383: <task name="test_task" interval="T#100ms" priority="0"> Laurent@1383: <pouInstance name="main_instance" typeName="main_program"/> Laurent@1383: </task> Laurent@1383: </resource> Laurent@1383: </configuration> Laurent@1383: </configurations> Laurent@1383: </instances> Laurent@1383: </project>