99 lines
2.5 KiB
XML
99 lines
2.5 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_HotPlate" Id="{317a2373-f886-4e32-b683-81b726d00aac}" SpecialFunc="None">
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<Declaration><![CDATA[FUNCTION_BLOCK FB_HotPlate
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VAR_INPUT
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xEnable : BOOL;
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rTargetTemp : REAL;
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xConfirmAlarms : BOOL;
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END_VAR
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VAR_OUTPUT
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uiNextFreeSlot : UINT;
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uiNextReadySlot : UINT;
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END_VAR
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VAR_IN_OUT
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stHMIInterface : ST_HCPlateHMIInterface;
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END_VAR
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VAR
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xEnableHotplate AT %Q* : BOOL;
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// _axSlotFree : ARRAY [0..(GVL_HeatCoolConfig.HEAT_COOL_PLATES_NUM_SLOTS - 1)] OF BOOL;
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// _atonSlotTimer : ARRAY[0..(GVL_HeatCoolConfig.HEAT_COOL_PLATES_NUM_SLOTS - 1)] OF TON;
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// Temp sensor
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_fbTempSensor : FB_AnalogInput('Temp sensor');
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_stTempSensorConfig : ST_ANALOG_IO_CONFIG := (sUnit := '°C', rPVMin := -200, rPVMax := 850, iAIMin := -2000, iAIMax := 8500);
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_stTempSEnsorEWConfig : ST_ANALOG_EW_CONFIG := (
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stLevels := (
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rErrorMin := -2000,
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rErrorMax := 8500,
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rWarningMin := -1000,
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rWarningMax := 7500),
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stDelays := (
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timErrorHighOn := T#1S,
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timErrorLowOn := T#1S,
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timWarningHighOn := T#1S,
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timWarningLowOn := T#1S,
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timHardwareSignalLevelOff := T#1S));
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_fbPITempControl : FB_PI;
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_fbLimit : FB_Limit;
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_fbPWMOut : FB_PWM;
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END_VAR
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]]></Declaration>
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<Implementation>
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<ST><![CDATA[// Call sensor fbs
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_fbTempSensor(
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stAnalogIOConfig:= _stTempSensorConfig,
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stAnalogEWConfig:= _stTempSEnsorEWConfig,
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xReleaseErrors:= TRUE,
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xReleaseLimitErrors:= FALSE,
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xReleaseHardwareErrors:= TRUE,
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xConfirmAlarms:= xConfirmAlarms,
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stHMIInterface=> );
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// Clamp HMI Setpoint
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IF stHMIInterface.rSetpoint > 140.0 THEN
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stHMIInterface.rSetpoint := 140;
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END_IF
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IF stHMIInterface.rSetpoint < 0.0 THEN
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stHMIInterface.rSetpoint := 0.0;
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END_IF
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// For now get setpoint from HMI interface
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_fbPITempControl(
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rSP:= stHMIInterface.rSetpoint,
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rPV:= _fbTempSensor.rScaledValue,
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rKp:= 6,
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rTn:= 0,
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xEnable:= stHMIInterface.xEnable,
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rMV=> _fbLimit.rIn);
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_fbLimit(
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rMin:= 0,
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rMax:= 100.0,
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rOut=> _fbPWMOut.rPWM,
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xClampedUpper=> _fbPITempControl.xSaturatedUpper,
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xClampedLower=> _fbPITempControl.xSaturatedLower);
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_fbPWMOut(
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timPeriod:= T#10S,
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xOutput=> xEnableHotplate);
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// Output HMI Interface
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stHMIInterface.rPV := _fbTempSensor.rScaledValue;
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]]></ST>
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</Implementation>
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<Method Name="M_AddItem" Id="{9707459a-6558-487c-b730-c9dc92d598ed}">
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<Declaration><![CDATA[METHOD M_AddItem
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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[]]></ST>
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</Implementation>
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</Method>
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</POU>
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</TcPlcObject> |