196 lines
5.4 KiB
XML
196 lines
5.4 KiB
XML
<?xml version="1.0" encoding="utf-8"?>
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<TcPlcObject Version="1.1.0.1">
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<POU Name="FB_Tank" Id="{d029e65c-5c27-470b-8bee-fea9f0455669}" SpecialFunc="None">
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<Declaration><![CDATA[FUNCTION_BLOCK FB_Tank
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VAR_INPUT
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xOpenPumpValve : BOOL;
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xReleaseErrors : BOOL;
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xReleaseManualMode : BOOL;
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xConfirmAlarms : BOOL;
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END_VAR
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VAR_OUTPUT
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xOverfull : BOOL;
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xFull : BOOL;
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xEmpty : BOOL;
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xError : BOOL;
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END_VAR
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VAR_IN_OUT
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stIO : ST_Tank_IO;
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stHMIInterface : ST_HMI_Tank;
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END_VAR
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VAR
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_fbWaterValve : FB_Valve('Water valve');
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_fbFillingValve : FB_Valve('Filling valve');
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_fbDrainValve : FB_Valve('Drain Valve');
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_fbPumpValve : FB_Valve('Pump Valve');
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_stValveConfig : ST_ValveConfig;
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_wFillingValveSafetyIntlkUsed : T_INTERLOCK;
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_wFillingValveSafetyIntlk : T_INTERLOCK;
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_xStartEmptyTank : BOOL;
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_xStartFillTankWater : BOOL;
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_iState : INT;
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_xFirstCycle : BOOL := TRUE;
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END_VAR
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]]></Declaration>
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<Implementation>
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<ST><![CDATA[IF _xFirstCycle THEN
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_xFirstCycle := FALSE;
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stHMIInterface.stFillingValve.stInterlock.asSafetyINTLKName[0] := 'Tank overfull';
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_wFillingValveSafetyIntlkUsed.0 := 1;
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END_IF
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M_HandleHMIInput();
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// Overfull is NC so true if ok
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_wFillingValveSafetyIntlk.0 := stIO.i_xOverfull;
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_fbFillingValve(
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xReleaseErrors:= xReleaseErrors,
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stValveConfig:= _stValveConfig,
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xReleaseManualMode:= xReleaseManualMode,
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wSafetyINTLK:= _wFillingValveSafetyIntlk,
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wSafetyINTLKUsed:= _wFillingValveSafetyIntlkUsed,
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xConfirmAlarms:= xConfirmAlarms,
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stIO := stIO.stValveFilling,
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stHMIInterface:= stHMIInterface.stFillingValve);
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_fbWaterValve(
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xReleaseErrors:= xReleaseErrors,
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stValveConfig:= _stValveConfig,
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xReleaseManualMode:= xReleaseManualMode,
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xConfirmAlarms:= xConfirmAlarms,
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stIO := stIO.stValveWater,
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stHMIInterface:= stHMIInterface.stDrainValve);
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_fbDrainValve(
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xReleaseErrors:= xReleaseErrors,
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stValveConfig:= _stValveConfig,
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xReleaseManualMode:= xReleaseManualMode,
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xConfirmAlarms:= xConfirmAlarms,
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stIO := stIO.stValveDrain,
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stHMIInterface:= stHMIInterface.stDrainValve);
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_fbPumpValve(
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xAutomaticOpen := xOpenPumpValve,
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xReleaseErrors:= xReleaseErrors,
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stValveConfig:= _stValveConfig,
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xReleaseManualMode:= xReleaseManualMode,
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xConfirmAlarms:= xConfirmAlarms,
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stIO := stIO.stValvePump,
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stHMIInterface:= stHMIInterface.stPumpValve);
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CASE _iState OF
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// Idle
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0:
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IF _xStartEmptyTank THEN
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_xStartEmptyTank := FALSE;
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_iState := 10;
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END_IF
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IF _xStartFillTankWater THEN
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_xStartFillTankWater := FALSE;
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_iState := 20;
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END_IF
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// Empty tank
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10:
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_fbDrainValve.xAutomaticOpen := TRUE;
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IF (NOT stIO.i_xEmpty) THEN
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_fbDrainValve.xAutomaticOpen := FALSE;
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_iState := 0;
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END_IF
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// Fill tank with water
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20:
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_fbWaterValve.xAutomaticOpen := TRUE;
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IF xFull THEN
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_fbWaterValve.xAutomaticOpen := FALSE;
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_iState := 0;
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END_IF
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END_CASE
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M_HandleHMIOutput();
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// Copy to output buffer
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xOverfull := (NOT stIO.i_xOverfull);
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xFull := stIO.i_xFull;
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xEmpty := (NOT stIO.i_xEmpty);]]></ST>
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</Implementation>
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<Method Name="FB_Init" Id="{9c6d1842-9c2e-4437-b40f-941f77668ffe}">
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<Declaration><![CDATA[//FB_Init is always available implicitly and it is used primarily for initialization.
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//The return value is not evaluated. For a specific influence, you can also declare the
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//methods explicitly and provide additional code there with the standard initialization
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//code. You can evaluate the return value.
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METHOD FB_Init: BOOL
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VAR_INPUT
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bInitRetains: BOOL; // TRUE: the retain variables are initialized (reset warm / reset cold)
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bInCopyCode: BOOL; // TRUE: the instance will be copied to the copy code afterward (online change)
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END_VAR
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]]></Declaration>
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<Implementation>
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<ST><![CDATA[_stValveConfig.xHasOpenFeedback := FALSE;
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_stValveConfig.xHasClosedFeedback := FALSE;]]></ST>
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</Implementation>
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</Method>
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<Method Name="M_HandleHMIInput" Id="{ff85cf86-15cf-4e14-ac8d-98aa206cdc7d}">
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<Declaration><![CDATA[METHOD PRIVATE M_HandleHMIInput : BOOL
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VAR_INPUT
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END_VAR
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]]></Declaration>
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<Implementation>
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<ST><![CDATA[{warning disable C0371}
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// Start emptying tank
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IF stHMIInterface.stEmptyButton.xRequest THEN
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stHMIInterface.stEmptyButton.xRequest := FALSE;
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IF stHMIInterface.stEmptyButton.xRelease THEN
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_xStartEmptyTank := TRUE;
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END_IF
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END_IF
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// Start filling tank with water
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IF stHMIInterface.stFillButton.xRequest THEN
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stHMIInterface.stFillButton.xRequest := FALSE;
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IF stHMIInterface.stFillButton.xRelease THEN
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_xStartFillTankWater := TRUE;
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END_IF
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END_IF]]></ST>
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</Implementation>
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</Method>
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<Method Name="M_HandleHMIOutput" Id="{8939e00b-3459-4b5e-a4b3-7b489eec260a}">
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<Declaration><![CDATA[METHOD PRIVATE M_HandleHMIOutput : BOOL
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VAR_INPUT
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END_VAR
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]]></Declaration>
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<Implementation>
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<ST><![CDATA[{warning disable C0371}
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// Overfull sensor is NC
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stHMIInterface.xOverfull := (NOT stIO.i_xOverfull);
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stHMIInterface.xFull := stIO.i_xFull;
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stHMIInterface.xEmpty := (NOT stIO.i_xEmpty);
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stHMIInterface.stFillButton.xRelease := stIO.i_xOverfull AND (NOT stIO.i_xFull);
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stHMIInterface.stEmptyButton.xRelease := stIO.i_xEmpty;
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IF _fbWaterValve.IsOpen THEN
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stHMIInterface.stFillButton.eFeedback := 1;
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ELSE
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stHMIInterface.stFillButton.eFeedback := 0;
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END_IF
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IF _fbDrainValve.IsOpen THEN
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stHMIInterface.stEmptyButton.eFeedback := 1;
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ELSE
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stHMIInterface.stEmptyButton.eFeedback := 0;
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END_IF]]></ST>
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</Implementation>
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</Method>
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</POU>
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</TcPlcObject> |