WIP: Inbetriebnahme vorladen

2024-04-11 19:06:45 +02:00
parent ef26159a4f
commit 9ce3522a70
48 changed files with 23544 additions and 3474 deletions
--- a/PLC/DUTs/E_BMS_STATE.TcDUT
+++ b/PLC/DUTs/E_BMS_STATE.TcDUT
@@ -0,0 +1,22 @@
+<?xml version="1.0" encoding="utf-8"?>
+<TcPlcObject Version="1.1.0.1" ProductVersion="3.1.4024.12">
+  <DUT Name="E_BMS_STATE" Id="{2a757cce-36a5-4230-a14d-5402102352d5}">
+    <Declaration><![CDATA[{attribute 'qualified_only'}
+{attribute 'strict'}
+TYPE E_BMS_STATE :
+(
+	IDLE := 0,
+	CHECK_POWER_COMMAND := 1,
+	WAIT_FOR_STRING_TO_BE_READY := 2,
+	WAIT_FOR_INVERTER := 3,
+	ENABLED := 4,
+	WAIT_FOR_SHUTDOWN_DISCHARGE_MODE := 5,
+	SEGMENT_DISCHARGE_WITH_INVERTER_DONE := 6,
+	SEGMENT_DISCHARGE_DONE := 7,
+	ERROR := 8,
+	WAIT_FOR_ERROR_RESET := 9
+);
+END_TYPE
+]]></Declaration>
+  </DUT>
+</TcPlcObject>
--- a/PLC/DUTs/ST_UNIT_CONFIG.TcDUT
+++ b/PLC/DUTs/ST_UNIT_CONFIG.TcDUT
@@ -71,6 +71,11 @@ STRUCT
 	stEWLVoltageSegment : ST_ANALOG_EW_LEVELS;
 	stEWDVoltageSegment : ST_ANALOG_EW_DELAYS;
 	
+	
+	// Max pressure difference between posolyt and negolyt segment inlet
+	//====================================
+	rMaxDeltaPSegmentInlet : REAL;
+	
 END_STRUCT
 END_TYPE
 ]]></Declaration>
--- a/PLC/GVLs/GVL_CONFIG.TcGVL
+++ b/PLC/GVLs/GVL_CONFIG.TcGVL
@@ -2,7 +2,7 @@
 <TcPlcObject Version="1.1.0.1" ProductVersion="3.1.4024.12">
  <GVL Name="GVL_CONFIG" Id="{0773bf51-0237-454d-a970-cfd896054edb}">
    <Declaration><![CDATA[{attribute 'qualified_only'}
-VAR_GLOBAL
+VAR_GLOBAL PERSISTENT
 	// ===========================
 	// Unit hardware config
 	// ===========================
@@ -43,7 +43,7 @@ VAR_GLOBAL
 		stConfigNegolytValve := (timTimeoutOpen := T#10S, timTimeoutClose := T#10S, xHasOpenFeedback := TRUE, xHasClosedFeedback := TRUE),
 		
 		// Pressure posolyt segment inlet
-		stConfigPosolytPressureSegmentInlet := (iAIMax := 32767, iAIMin := 0, rPVMax := 1500, rPVMin := -1000, sUnit := 'mbar'),
+		stConfigPosolytPressureSegmentInlet := (iAIMax := 32767, iAIMin := 0, rPVMax := 2000, rPVMin := 0, sUnit := 'mbar'),
 		stEWLPosolytPressureSegmentInlet := (rErrorMin := 170, rWarningMin := 200, rWarningMax := 600, rErrorMax := 700),
 		stEWDPosolytPressureSegmentInlet := 
 		(
@@ -60,7 +60,7 @@ VAR_GLOBAL
 		),
 		
 		// Pressure negolyt segment inlet
-		stConfigNegolytPressureSegmentInlet := (iAIMax := 32767, iAIMin := 0, rPVMax := 1500, rPVMin := -1000, sUnit := 'mbar'),
+		stConfigNegolytPressureSegmentInlet := (iAIMax := 32767, iAIMin := 0, rPVMax := 2000, rPVMin := 0, sUnit := 'mbar'),
 		stEWLNegolytPressureSegmentInlet := (rErrorMin := 170, rWarningMin := 200, rWarningMax := 600, rErrorMax := 700),
 		stEWDNegolytPressureSegmentInlet := 
 		(
@@ -94,7 +94,7 @@ VAR_GLOBAL
 		),
 		
 		// Pressure negolyt tank inlet
-		stConfigNegolytPressureTankInlet := (iAIMax := 32767, iAIMin := 0, rPVMax := 1500, rPVMin := -1000, sUnit := 'mbar'),
+		stConfigNegolytPressureTankInlet := (iAIMax := 32767, iAIMin := 0, rPVMax := 2000, rPVMin := 0, sUnit := 'mbar'),
 		stEWLNegolytPressureTankInlet := (rErrorMin := -100, rWarningMin := -50, rWarningMax := 100, rErrorMax := 120),
 		stEWDNegolytPressureTankInlet := 
 		(
@@ -162,7 +162,9 @@ VAR_GLOBAL
 			timWarningHighOff := T#5S,
 			timErrorHighOn := T#2S,
 			timErrorHighOff := T#5S
-		)
+		),
+		
+		rMaxDeltaPSegmentInlet := 100.0
 	);
 	
 	// ===========================
--- a/PLC/GVLs/GVL_SCADA.TcGVL
+++ b/PLC/GVLs/GVL_SCADA.TcGVL
@@ -8,6 +8,12 @@ VAR_GLOBAL
 	stAckAlarmsButton : ST_HMI_CONTROL_BUTTON := (xRelease := TRUE);
 	
 	stAutomaticModeHMI : ST_AUTO_HMI_INTERFACE;
+	
+	// Requested control mode by HMI
+	eRequestedControlMode : E_BMS_CONTROL_MODE;
+	
+	// Current control mode
+	eCurrentControlMode : E_BMS_CONTROL_MODE;
 END_VAR]]></Declaration>
  </GVL>
 </TcPlcObject>
--- a/PLC/PLC.plcproj
+++ b/PLC/PLC.plcproj
@@ -24,6 +24,9 @@
    <Compile Include="DUTs\E_BMS_CONTROL_MODE.TcDUT">
      <SubType>Code</SubType>
    </Compile>
+    <Compile Include="DUTs\E_BMS_STATE.TcDUT">
+      <SubType>Code</SubType>
+    </Compile>
    <Compile Include="DUTs\E_CHARGE_STATUS.TcDUT">
      <SubType>Code</SubType>
    </Compile>
--- a/PLC/PLC.tmc
+++ b/PLC/PLC.tmc
--- a/PLC/POUs/FB_Module.TcPOU
+++ b/PLC/POUs/FB_Module.TcPOU
@@ -9,6 +9,9 @@ VAR_INPUT
 	// Enable
 	xEnable : BOOL;
 	
+	// Module in safety check mode
+	xInSafetyCheckMode : BOOL;
+	
 	// Module completely off
 	xOff : BOOL := TRUE;
 	
@@ -48,6 +51,9 @@ VAR_OUTPUT
 	
 	// One unit has a warning
 	xWarning : BOOL;
+	
+	// All modules in automatic mode
+	xAllUnitsInAutomatic : BOOL;
 END_VAR
 VAR
 	_fbUnit1 : FB_Unit('Unit 1');
@@ -73,6 +79,9 @@ END_VAR
 xError := FALSE;
 xWarning := FALSE;

+// Reset automatic mode flag
+xAllUnitsInAutomatic := TRUE;
+
 // Reset safety interlocks flag
 xSafetyIntlksOk := TRUE;

@@ -82,6 +91,7 @@ xSafetyIntlksOk := TRUE;
 // ===============================
 _fbUnit1(
 	xEnable := xEnable,
+	xInSafetyCheckMode := xInSafetyCheckMode,
 	stUnitConfig:= GVL_CONFIG.stUnitConfig, 
 	stHMIInterface:= stHMIInterface.stHMIInterfaceUnit1, 
 	xEmergencyStopOk:= xEmergencyStopOk,  
@@ -105,12 +115,17 @@ IF NOT _fbUnit1.xSafetyIntlksOk THEN
 	xSafetyIntlksOk := FALSE;
 END_IF

+IF NOT _fbUnit1.xAllComponentsInAuto THEN
+	xAllUnitsInAutomatic := FALSE;
+END_IF
+

 // ===============================
 // Unit 2
 // ===============================
 _fbUnit2(
 	xEnable := xEnable,
+	xInSafetyCheckMode := xInSafetyCheckMode,
 	stUnitConfig:= GVL_CONFIG.stUnitConfig, 
 	stHMIInterface:= stHMIInterface.stHMIInterfaceUnit2, 
 	xEmergencyStopOk:= xEmergencyStopOk,  
@@ -134,12 +149,17 @@ IF NOT _fbUnit2.xSafetyIntlksOk THEN
 	xSafetyIntlksOk := FALSE;
 END_IF

+IF NOT _fbUnit2.xAllComponentsInAuto THEN
+	xAllUnitsInAutomatic := FALSE;
+END_IF
+

 // ===============================
 // Unit 3
 // ===============================
 _fbUnit3(
 	xEnable := xEnable,
+	xInSafetyCheckMode := xInSafetyCheckMode,
 	stUnitConfig:= GVL_CONFIG.stUnitConfig, 
 	stHMIInterface:= stHMIInterface.stHMIInterfaceUnit3, 
 	xEmergencyStopOk:= xEmergencyStopOk,  
@@ -163,12 +183,17 @@ IF NOT _fbUnit3.xSafetyIntlksOk THEN
 	xSafetyIntlksOk := FALSE;
 END_IF

+IF NOT _fbUnit3.xAllComponentsInAuto THEN
+	xAllUnitsInAutomatic := FALSE;
+END_IF
+

 // ===============================
 // Unit 4
 // ===============================
 _fbUnit4(
 	xEnable := xEnable,
+	xInSafetyCheckMode := xInSafetyCheckMode,
 	stUnitConfig:= GVL_CONFIG.stUnitConfig, 
 	stHMIInterface:= stHMIInterface.stHMIInterfaceUnit4, 
 	xEmergencyStopOk:= xEmergencyStopOk,  
@@ -192,6 +217,10 @@ IF NOT _fbUnit4.xSafetyIntlksOk THEN
 	xSafetyIntlksOk := FALSE;
 END_IF

+IF NOT _fbUnit4.xAllComponentsInAuto THEN
+	xAllUnitsInAutomatic := FALSE;
+END_IF
+

 // ===============================
 // Units ready check
@@ -357,124 +386,15 @@ _fbUnitsOutOfBalanceAlarm.ipArguments.Clear().AddString(_sName);]]></ST>
      </Set>
    </Property>
    <LineIds Name="FB_Module">
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+      <LineId Id="1018" Count="135" />
      <LineId Id="674" Count="0" />
    </LineIds>
    <LineIds Name="FB_Module.FB_init">
--- a/PLC/POUs/FB_String.TcPOU
+++ b/PLC/POUs/FB_String.TcPOU
@@ -4,7 +4,10 @@
    <Declaration><![CDATA[FUNCTION_BLOCK FB_String
 VAR_INPUT
 	// Enable
-	xEnable : BOOL;	
+	xEnable : BOOL;
+	
+	// String in safety check mode
+	xInSafetyCheckMode : BOOL;

 	// Module 1 HMI interface
 	stHMIInterface : REFERENCE TO ST_STRING_HMI_INTERFACE;
@@ -12,6 +15,9 @@ VAR_INPUT
 	// Emergency stop ok
 	xEmergencyStopOk : BOOL;
 	
+	// Reset Safety
+	xResetSafety : BOOL;
+	
 	// Release alarms
 	xReleaseErrors : BOOL;
 	
@@ -40,9 +46,21 @@ VAR_OUTPUT
 	// String completely off
 	xOff : BOOL;
 	
+	// Signal to close dc circuit breaker
+	xCloseDCCB AT %Q* : BOOL;
+	
+	// Signal that dc circuit breakers are closed
+	xDCCBOpen AT %I* : BOOL;
+	
+	// Reset signal for safety dc circuit breaker
+	xResetSafetyDCCB AT %Q* : BOOL;
+	
 	// All safetyinterlocks are ok
 	xSafetyIntlksOk : BOOL;
 	
+	// All modules in automatic mode
+	xAllModulesInAutoMode : BOOL;
+	
 	xError : BOOL;
 	xWarning : BOOL;
 	
@@ -68,6 +86,15 @@ VAR
 	// Safetyinterlocks pending alarm
 	_fbSafetyInterlocksNotOkAlarm : FB_TcAlarm;
 	
+	// State for start and stop
+	_iState : INT := 0;
+	
+	// Timer for result pulse to safety
+	_tonResetPulseLength : TON := (PT := T#250MS);
+	
+	// Error timer for not closing dc relais
+	_tonErrorDCCBNotClosed : TON := (PT := T#5S);
+	
 	// String name
 	_sName : STRING;
 END_VAR
@@ -76,14 +103,21 @@ END_VAR
      <ST><![CDATA[// Reset error flag
 xError := FALSE;

+// Reset all modules in automatic mode
+xAllModulesInAutoMode := TRUE;
+
 // Reset safety interlocks flag
 xSafetyIntlksOk := TRUE;

+// Reset Safety
+xResetSafetyDCCB := xResetSafety;
+
 // ===============================
 // Module 1
 // ===============================
 _fbModule1(
 	xEnable := xEnable,
+	xInSafetyCheckMode := xInSafetyCheckMode,
 	xEmergencyStopOk:= xEmergencyStopOk,
 	stHMIInterface:= stHMIInterface.stHMIInterfaceModule1, 
 	xReleaseErrors:= xReleaseErrors, 
@@ -103,12 +137,18 @@ IF NOT _fbModule1.xSafetyIntlksOk THEN
 	xSafetyIntlksOk := FALSE;
 END_IF

+IF NOT _fbModule1.xAllUnitsInAutomatic THEN
+	xAllModulesInAutoMode := FALSE;
+END_IF
+

 // ===============================
 // Module 2
 // ===============================
+
 _fbModule2(
 	xEnable := xEnable,
+	xInSafetyCheckMode := xInSafetyCheckMode,
 	xEmergencyStopOk:= xEmergencyStopOk,
 	stHMIInterface:= stHMIInterface.stHMIInterfaceModule2, 
 	xReleaseErrors:= xReleaseErrors, 
@@ -128,12 +168,17 @@ IF NOT _fbModule2.xSafetyIntlksOk THEN
 	xSafetyIntlksOk := FALSE;
 END_IF

+IF NOT _fbModule2.xAllUnitsInAutomatic THEN
+	xAllModulesInAutoMode := FALSE;
+END_IF
+

 // ===============================
 // Module 3
 // ===============================
 _fbModule3(
 	xEnable := xEnable,
+	xInSafetyCheckMode := xInSafetyCheckMode,
 	xEmergencyStopOk:= xEmergencyStopOk,
 	stHMIInterface:= stHMIInterface.stHMIInterfaceModule3, 
 	xReleaseErrors:= xReleaseErrors, 
@@ -153,6 +198,10 @@ IF NOT _fbModule3.xSafetyIntlksOk THEN
 	xSafetyIntlksOk := FALSE;
 END_IF

+IF NOT _fbModule3.xAllUnitsInAutomatic THEN
+	xAllModulesInAutoMode := FALSE;
+END_IF
+

 // ===============================
 // Handle safety interlock alarm
@@ -169,7 +218,7 @@ END_IF
 // ===============================
 // Modules ready check
 // ===============================
-_xAllModulesReady := _fbModule1.xReady AND _fbModule2.xReady AND _fbModule3.xReady;
+_xAllModulesReady := _fbModule1.xReady AND _fbModule3.xReady; // _fbModule2.xReady AND


 // ===============================
@@ -240,7 +289,60 @@ END_IF
 // ===============================
 // String ready validation check
 // ===============================
-IF _xAllModulesReady AND _xBalanceOk THEN
+_tonResetPulseLength();
+_tonErrorDCCBNotClosed();
+
+CASE _iState OF
+	0: // Idle
+		IF _xAllModulesReady AND _xBalanceOk AND xAllModulesInAutoMode THEN
+			xCloseDCCB := TRUE;
+			xResetSafetyDCCB := TRUE;
+			_tonResetPulseLength.IN := TRUE;
+			_iState := 10;
+		END_IF
+	
+	10: // Reset safety from sensors
+		IF _tonResetPulseLength.Q THEN
+			_tonResetPulseLength.IN := FALSE;
+			xResetSafetyDCCB := FALSE;
+			_tonErrorDCCBNotClosed.IN := TRUE;
+			_iState := 20;
+		END_IF
+	
+	20: // Check if DC relais closed
+		IF NOT xDCCBOpen THEN
+			xReady := TRUE;
+			_iState := 30;
+		END_IF
+		IF _tonErrorDCCBNotClosed.Q THEN
+			_tonErrorDCCBNotClosed.IN := FALSE;
+			xReady := FALSE;
+			_iState := 1000;
+		END_IF
+	
+	30: // All modules ready
+		// !!! ATTENTION !!!
+		// BMS HAS TO SHUT DOWN THE INVERTER BEFORE DISSABLING THE STRING
+		// OTHERWISE THE DC CIRCUIT BREAKERS WILL OPEN WHILE THE INVERTER IS STILL ACTIVE
+		// THIS CAN DAMAGE THE INVERTER
+		IF NOT xEnable THEN
+			xCloseDCCB := FALSE;
+			_iState := 0;
+		ELSIF NOT _xAllModulesReady OR NOT _xBalanceOk THEN
+			xError := TRUE;
+		END_IF
+		
+	1000: // Error state
+		// Leave error state only if modules are deactivated
+		IF NOT xEnable THEN
+			_tonResetPulseLength.IN := FALSE;
+			_tonErrorDCCBNotClosed.IN := FALSE;
+			_iState := 0;
+		END_IF
+END_CASE
+
+
+IF _xAllModulesReady AND _xBalanceOk AND (_iState = 30) THEN
 	xReady := TRUE;
 ELSE
 	xReady := FALSE;
@@ -318,14 +420,21 @@ _fbSafetyInterlocksNotOkAlarm.ipArguments.Clear().AddString(_sName);]]></ST>
    <LineIds Name="FB_String">
      <LineId Id="266" Count="0" />
      <LineId Id="268" Count="0" />
+      <LineId Id="758" Count="0" />
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@@ -339,22 +448,33 @@ _fbSafetyInterlocksNotOkAlarm.ipArguments.Clear().AddString(_sName);]]></ST>
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@@ -386,7 +506,48 @@ _fbSafetyInterlocksNotOkAlarm.ipArguments.Clear().AddString(_sName);]]></ST>
      <LineId Id="215" Count="5" />
      <LineId Id="353" Count="13" />
      <LineId Id="352" Count="0" />
-      <LineId Id="221" Count="5" />
+      <LineId Id="221" Count="3" />
+      <LineId Id="704" Count="0" />
+      <LineId Id="725" Count="1" />
+      <LineId Id="690" Count="0" />
+      <LineId Id="692" Count="0" />
+      <LineId Id="694" Count="1" />
+      <LineId Id="710" Count="0" />
+      <LineId Id="703" Count="0" />
+      <LineId Id="697" Count="0" />
+      <LineId Id="696" Count="0" />
+      <LineId Id="698" Count="2" />
+      <LineId Id="705" Count="0" />
+      <LineId Id="711" Count="0" />
+      <LineId Id="735" Count="0" />
+      <LineId Id="712" Count="0" />
+      <LineId Id="706" Count="0" />
+      <LineId Id="713" Count="0" />
+      <LineId Id="719" Count="0" />
+      <LineId Id="734" Count="0" />
+      <LineId Id="745" Count="0" />
+      <LineId Id="739" Count="1" />
+      <LineId Id="720" Count="0" />
+      <LineId Id="744" Count="0" />
+      <LineId Id="746" Count="0" />
+      <LineId Id="727" Count="1" />
+      <LineId Id="718" Count="0" />
+      <LineId Id="714" Count="0" />
+      <LineId Id="750" Count="3" />
+      <LineId Id="741" Count="0" />
+      <LineId Id="749" Count="0" />
+      <LineId Id="742" Count="1" />
+      <LineId Id="716" Count="1" />
+      <LineId Id="729" Count="1" />
+      <LineId Id="738" Count="0" />
+      <LineId Id="731" Count="0" />
+      <LineId Id="736" Count="1" />
+      <LineId Id="732" Count="1" />
+      <LineId Id="693" Count="0" />
+      <LineId Id="691" Count="0" />
+      <LineId Id="689" Count="0" />
+      <LineId Id="225" Count="0" />
+      <LineId Id="747" Count="0" />
      <LineId Id="239" Count="1" />
      <LineId Id="214" Count="0" />
      <LineId Id="512" Count="0" />
--- a/PLC/POUs/FB_Unit.TcPOU
+++ b/PLC/POUs/FB_Unit.TcPOU
@@ -12,6 +12,9 @@ VAR_INPUT
 	// Start unit
 	xEnable : BOOL;
 	
+	// Unit in safety check mode
+	xInSafetyCheckMode : BOOL;
+	
 	// Emergency stop ok
 	xEmergencyStopOk : BOOL;
 	
@@ -60,6 +63,9 @@ VAR_OUTPUT
 	
 	// Current Unit voltage
 	rCurrentVoltage : REAL;
+	
+	// All components in automatic mode
+	xAllComponentsInAuto : BOOL;
 END_VAR
 VAR
 	// Check unit condition after some time during startup
@@ -149,6 +155,11 @@ VAR
 	
 	// Manual mode allowed flag
 	_xReleaseManualMode : BOOL;
+	
+	_xReleaseSignalDeltaPSegment : FB_ReleaseSignal;
+	_xDeltaPSegmentInletToHigh : BOOL;
+	_xEnableCheckForDeltaPSegmentInlet : BOOL;
+	_xErrorDeltaPSegmentInlet : BOOL;
 END_VAR
 ]]></Declaration>
    <Implementation>
@@ -475,6 +486,25 @@ IF _fbVoltageSegment.xWarning THEN
 	_xWarningActive := TRUE;
 END_IF

+// ===============================
+// Write Voltage to HMI
+// ===============================
+stHMIInterface.rVoltage := _fbVoltageSegment.rScaledValue;
+
+// ===============================
+// Check for pressure difference
+// ===============================
+_xDeltaPSegmentInletToHigh := (ABS(_fbPressurePosolytSegmentInlet.rScaledValue - _fbPressureNegolytSegmentInlet.rScaledValue) > GVL_CONFIG.stUnitConfig.rMaxDeltaPSegmentInlet);
+_xReleaseSignalDeltaPSegment(
+	xSignal:= _xDeltaPSegmentInletToHigh, 
+	xRelease:= _xEnableCheckForDeltaPSegmentInlet, 
+	timOnDelay:= T#5S, 
+	timOffDelay:= T#2S, 
+	xReleaseSignal=> _xErrorDeltaPSegmentInlet);
+
+IF _xErrorDeltaPSegmentInlet THEN
+	_xErrorActive := TRUE;
+END_IF

 // ===============================
 // Check if all components are in automatic
@@ -529,6 +559,7 @@ CASE _iState OF
 	20: // Start pumps
 		_fbPosolytPumpInlet.ReqAutomaticStart();
 		_fbNegolytPumpInlet.ReqAutomaticStart();
+		_xEnableCheckForDeltaPSegmentInlet := TRUE;
 		_iState := 25;
 	
 	25: // Wait for all pumps to run
@@ -548,11 +579,15 @@ CASE _iState OF
 		IF _tonStartupCheck.Q THEN
 			_tonStartupCheck(In := FALSE);
 			// Check for minimum unit voltage
-			IF (_fbVoltageSegment.rScaledValue >= GVL_CONFIG.rMinimumUnitVoltage)
-					AND NOT _xErrorActive
-					AND NOT _xWarningActive THEN
+			// (_fbVoltageSegment.rScaledValue >= GVL_CONFIG.rMinimumUnitVoltage) AND
+			IF  NOT _xErrorActive AND NOT _xWarningActive THEN
 				xReady := TRUE;
-				_xEnableVoltageLimitChecks := TRUE;
+				
+				// Only enable Voltage Cheks if not in safety check mode
+				IF NOT xInSafetyCheckMode THEN
+					_xEnableVoltageLimitChecks := TRUE;
+				END_IF
+				
 				_iState := 35;
 			ELSE
 				_iState := 40;
@@ -577,6 +612,7 @@ CASE _iState OF
 	40: // Close all valves
 		_fbNegolytValveTankOutlet.ReqAutomaticClose();
 		_fbPosolytValveTankOutlet.ReqAutomaticClose();
+		_xEnableCheckForDeltaPSegmentInlet := FALSE;
 		_iState := 45;
 		
 	45: // Wait for valves to be closed
@@ -667,7 +703,12 @@ END_CASE
 // Output error and warning flags
 // ===============================
 xError := _xErrorActive;
-xWarning := _xWarningActive;]]></ST>
+xWarning := _xWarningActive;
+
+// ===============================
+// Output all components in auto mode
+// ===============================
+xAllComponentsInAuto := _xAllComponentsInAutomatic;]]></ST>
    </Implementation>
    <Method Name="FB_init" Id="{08f1cd44-6483-4d20-ab45-d1938e8ec885}">
      <Declaration><![CDATA[METHOD FB_init : BOOL
@@ -760,7 +801,18 @@ _fbNotAllAutomaticAlarm.ipArguments.Clear().AddString(_sName);]]></ST>
      <LineId Id="4937" Count="0" />
      <LineId Id="4635" Count="8" />
      <LineId Id="4620" Count="0" />
-      <LineId Id="4644" Count="1" />
+      <LineId Id="6068" Count="1" />
+      <LineId Id="6253" Count="2" />
+      <LineId Id="6070" Count="0" />
+      <LineId Id="4644" Count="0" />
+      <LineId Id="6071" Count="1" />
+      <LineId Id="6079" Count="0" />
+      <LineId Id="6081" Count="4" />
+      <LineId Id="6080" Count="0" />
+      <LineId Id="6088" Count="0" />
+      <LineId Id="6075" Count="0" />
+      <LineId Id="6089" Count="1" />
+      <LineId Id="4645" Count="0" />
      <LineId Id="4414" Count="0" />
      <LineId Id="4647" Count="0" />
      <LineId Id="4646" Count="0" />
@@ -775,21 +827,32 @@ _fbNotAllAutomaticAlarm.ipArguments.Clear().AddString(_sName);]]></ST>
      <LineId Id="5249" Count="0" />
      <LineId Id="4453" Count="10" />
      <LineId Id="5076" Count="0" />
-      <LineId Id="4464" Count="6" />
+      <LineId Id="4464" Count="5" />
+      <LineId Id="6091" Count="0" />
+      <LineId Id="4470" Count="0" />
      <LineId Id="4476" Count="15" />
      <LineId Id="4790" Count="0" />
-      <LineId Id="4492" Count="1" />
-      <LineId Id="4926" Count="1" />
+      <LineId Id="4492" Count="0" />
+      <LineId Id="5903" Count="0" />
+      <LineId Id="4493" Count="0" />
      <LineId Id="4496" Count="0" />
+      <LineId Id="5908" Count="0" />
+      <LineId Id="5912" Count="0" />
+      <LineId Id="5910" Count="0" />
      <LineId Id="4794" Count="0" />
-      <LineId Id="4497" Count="12" />
+      <LineId Id="5909" Count="0" />
+      <LineId Id="4497" Count="0" />
+      <LineId Id="5911" Count="0" />
+      <LineId Id="4498" Count="11" />
      <LineId Id="4511" Count="1" />
      <LineId Id="5078" Count="0" />
      <LineId Id="5083" Count="0" />
      <LineId Id="5079" Count="0" />
      <LineId Id="5082" Count="0" />
      <LineId Id="5081" Count="0" />
-      <LineId Id="4513" Count="7" />
+      <LineId Id="4513" Count="3" />
+      <LineId Id="6092" Count="0" />
+      <LineId Id="4517" Count="3" />
      <LineId Id="5239" Count="0" />
      <LineId Id="4521" Count="5" />
      <LineId Id="5441" Count="0" />
@@ -838,6 +901,9 @@ _fbNotAllAutomaticAlarm.ipArguments.Clear().AddString(_sName);]]></ST>
      <LineId Id="4549" Count="5" />
      <LineId Id="4556" Count="6" />
      <LineId Id="2754" Count="0" />
+      <LineId Id="5747" Count="0" />
+      <LineId Id="5746" Count="0" />
+      <LineId Id="5748" Count="2" />
    </LineIds>
    <LineIds Name="FB_Unit.FB_init">
      <LineId Id="11" Count="0" />
--- a/PLC/POUs/MAIN.TcPOU
+++ b/PLC/POUs/MAIN.TcPOU
@@ -4,6 +4,7 @@
    <Declaration><![CDATA[PROGRAM MAIN
 VAR
 	_xEmergencyStopOk AT %I* : BOOL;
+	_xShowAckEmergencyStop AT %Q* : BOOL;
 	_xReleaseErrors : BOOL := TRUE;
 	_xReleaseLimitsErrors : BOOL := TRUE;
 	_xConfirmAlarms : BOOL;
@@ -23,6 +24,13 @@ VAR
 	
 	// State machine state
 	_iState : INT;
+	_iStateSafetyCheck : INT;
+	
+	// Start safety check mode
+	_xStartSafetyCheck : BOOL;
+	
+	// Auto remote and auto local power request
+	_rAutoPowerRequest : REAL;
 	
 	// Internal inverter power
 	_rPowerInverter : REAL;
@@ -64,8 +72,20 @@ VAR
 	_fbUPS : FB_S_UPS_BAPI;
 	
 	// Safety
-	xSafetyRun AT %Q* : BOOL;
+	xSafetyRun AT %Q* : BOOL := TRUE;
 	xSafetyErrAck AT %Q* : BOOL;
+	xSafetyResterTaster AT %I* : BOOL;
+	
+	// Hardware reset button
+	_xHarwareResetButton AT %I* : BOOL;
+	_xShowErrorOnButton AT %Q* : BOOL;
+	_tonHardwareResetButton : TON := (PT := T#1S);
+	_rtHardwareResetButton : R_TRIG;
+	
+	_xErrorActive : BOOL;
+	
+	// Battery in safety check mode
+	_xInSafetyCheckMode : BOOL;
 	
 	// DEBUG
 	_xRestart : BOOL;
@@ -83,10 +103,22 @@ IF _xRestart AND (_iState = 0) THEN
 	_xRestart := FALSE;
 	GVL_MODBUS.stModbusEMSComm.stModbusReg12.diSetpointActivePower := 1000;
 END_IF
-
 // DEBUG
 // ===============================
+_xErrorActive := FALSE;

+// ===============================
+// Safety
+// ===============================
+xSafetyErrAck := xSafetyResterTaster;
+_xShowAckEmergencyStop := NOT _xEmergencyStopOk;
+
+// ===============================
+// Hardware reset button part 1
+// ===============================
+_tonHardwareResetButton(IN := _xHarwareResetButton);
+_rtHardwareResetButton(CLK := _tonHardwareResetButton.Q);
+_xConfirmAlarms := TRUE;

 // ===============================
 // Handle Manual mode release
@@ -129,12 +161,23 @@ END_IF
 // Call string 1
 _fbString(
 	xEnable := _xEnableString,
+	xInSafetyCheckMode := _xInSafetyCheckMode,
 	stHMIInterface:= GVL_SCADA.stHMIInterface, 
 	xEmergencyStopOk:= _xEmergencyStopOk, 
 	xReleaseErrors:= _xReleaseErrors AND _tonStartupDelay.Q, 
 	xReleaseLimitErrors:= _xReleaseLimitsErrors AND _tonStartupDelay.Q,
 	xReleaseManualMode := _xReleaseManualMode,
-	xConfirmAlarms:= _xConfirmAlarms);
+	xConfirmAlarms:= _xConfirmAlarms,
+	xResetSafety := xSafetyResterTaster);
+	
+IF _fbString.xError THEN
+	_xErrorActive := TRUE;
+END_IF
+
+// ===============================
+// Hardware reset button part 2
+// ===============================
+_xShowErrorOnButton := _xErrorActive;
 	
 // HMI Feedback
 GVL_SCADA.stHMIInterface.rVoltage := _fbString.rCurrentVoltage;
@@ -184,48 +227,50 @@ _fbADSReader(
 // ===============================
 CASE _eBMSControlMode OF
 	E_BMS_CONTROL_MODE.AUTO_REMOTE:
-		SM_AUTO_REMOTE();
+		_xInSafetyCheckMode := FALSE;
+		_rAutoPowerRequest := DINT_TO_REAL(GVL_MODBUS.stModbusEMSComm.stModbusReg12.diSetpointActivePower);
+		SM_AUTO();
 		
 	E_BMS_CONTROL_MODE.AUTO_LOCAL:
+		_xInSafetyCheckMode := FALSE;
 		GVL_MODBUS.stModbusEMSComm.stModbusReg11.eBatteryStatus := E_BATTERY_STATUS.TESTING;
-		SM_AUTO_LOCAL();
+		_rAutoPowerRequest := DINT_TO_REAL(GVL_SCADA.stAutomaticModeHMI.diSetpointAutomatic);
+		SM_AUTO();
 		
 	E_BMS_CONTROL_MODE.MANUAL:
+		_xInSafetyCheckMode := FALSE;
 		GVL_MODBUS.stModbusEMSComm.stModbusReg11.eBatteryStatus := E_BATTERY_STATUS.MAINTENANCE;
 		SM_MANUAL();
 		
 	E_BMS_CONTROL_MODE.SAFETY_CHECK:
+		_xInSafetyCheckMode := TRUE;
 		GVL_MODBUS.stModbusEMSComm.stModbusReg11.eBatteryStatus := E_BATTERY_STATUS.MAINTENANCE;
 		SM_SAFETY_CHECK();
 		
 	E_BMS_CONTROL_MODE.CAPACITY_TEST:
+		_xInSafetyCheckMode := FALSE;
 		GVL_MODBUS.stModbusEMSComm.stModbusReg11.eBatteryStatus := E_BATTERY_STATUS.TESTING;
 		SM_CAPACITY_TEST();
 END_CASE

 	
 // Reset alarm confirmation
-IF _xConfirmAlarms THEN
+IF _xConfirmAlarms OR _rtHardwareResetButton.Q THEN
 	_xConfirmAlarms := FALSE;
 END_IF]]></ST>
    </Implementation>
-    <Action Name="SM_AUTO_LOCAL" Id="{def23375-eebc-4fdc-90a2-71266ffc4850}">
-      <Implementation>
-        <ST><![CDATA[]]></ST>
-      </Implementation>
-    </Action>
-    <Action Name="SM_AUTO_REMOTE" Id="{b5166e16-4fea-442b-9560-02c156f9a9ad}">
+    <Action Name="SM_AUTO" Id="{b5166e16-4fea-442b-9560-02c156f9a9ad}">
      <Implementation>
        <ST><![CDATA[CASE _iState OF
 	0: // Idle
 		// Wait for power command
-		IF (ABS(GVL_MODBUS.stModbusEMSComm.stModbusReg12.diSetpointActivePower) > GVL_CONFIG.diMinimumAbsPowerForEnable) AND _fbString.xSafetyIntlksOk AND (NOT _fbString.xError) THEN
+		IF (ABS(_rAutoPowerRequest) > DINT_TO_REAL(GVL_CONFIG.diMinimumAbsPowerForEnable)) AND _fbString.xSafetyIntlksOk AND (NOT _fbString.xError) AND _fbString.xAllModulesInAutoMode THEN
 			_iState := 5;
 		END_IF
 		
 	5: // Check if power command is within limits
-		IF GVL_MODBUS.stModbusEMSComm.stModbusReg12.diSetpointActivePower < GVL_CONFIG.diMaxStringDischargePower
-				AND GVL_MODBUS.stModbusEMSComm.stModbusReg12.diSetpointActivePower > GVL_CONFIG.diMaxStringChargingPower THEN
+		IF _rAutoPowerRequest < DINT_TO_REAL(GVL_CONFIG.diMaxStringDischargePower)
+				AND _rAutoPowerRequest > DINT_TO_REAL(GVL_CONFIG.diMaxStringChargingPower) THEN
 			_xEnableString := TRUE;
 			_iState := 10;
 		ELSE
@@ -238,15 +283,12 @@ END_IF]]></ST>
 		
 	10: // Wait for string to be ready
 		IF _fbString.xReady AND (NOT _fbString.xError) THEN
+			_rPowerInverter := 0.0;
+			_xEnableInverter := TRUE;
 			_iState := 20;
 		END_IF
-		
-	20: // Start main inverter with zero power
-		_rPowerInverter := 0.0;
-		_xEnableInverter := TRUE;
-		_iState := 25;
 	
-	25: // Wait for inverter to be ready
+	20: // Wait for inverter to be ready
 		IF _fbInverter.xActive AND (NOT _fbInverter.xError) THEN
 			// Set battery status for modbus
 			GVL_MODBUS.stModbusEMSComm.stModbusReg11.eBatteryStatus := E_BATTERY_STATUS.ACTIVE;
@@ -261,21 +303,20 @@ END_IF]]></ST>
 		
 	30: // String and inverter enabled
 		// Set inverter power to modbus requested power
-		_rPowerInverter := DINT_TO_REAL(GVL_MODBUS.stModbusEMSComm.stModbusReg12.diSetpointActivePower);//DINT_TO_REAL(GVL_MODBUS.stModbusEMSComm.stModbusReg12.diSetpointActivePower);
+		_rPowerInverter := _rAutoPowerRequest;//DINT_TO_REAL(GVL_MODBUS.stModbusEMSComm.stModbusReg12.diSetpointActivePower);
 		
 		// Check if the battery should still be active
-		IF (GVL_MODBUS.stModbusEMSComm.stModbusReg12.diSetpointActivePower = 0) THEN
+		IF (_rAutoPowerRequest = 0.0) THEN
 			_xNoPowerRequested := TRUE;
 		ELSE
 			_xNoPowerRequested := FALSE;
 		END_IF
 		
 		// Set battery status
-		IF GVL_MODBUS.stModbusEMSComm.stModbusReg12.diSetpointActivePower > 0 THEN
+		IF _rAutoPowerRequest > 0 THEN
 			GVL_MODBUS.stModbusEMSComm.stModbusReg11.eChargeStatus := E_CHARGE_STATUS.DISCHARGING;
-		ELSIF GVL_MODBUS.stModbusEMSComm.stModbusReg12.diSetpointActivePower < 0 THEN
+		ELSIF _rAutoPowerRequest < 0 THEN
 			GVL_MODBUS.stModbusEMSComm.stModbusReg11.eChargeStatus := E_CHARGE_STATUS.CHARGING;
-			
 		ELSE
 			GVL_MODBUS.stModbusEMSComm.stModbusReg11.eChargeStatus := E_CHARGE_STATUS.UNDEFINED;
 		END_IF
@@ -385,7 +426,7 @@ END_IF]]></ST>
 		_iState := 1010;
 		
 	1010: // Wait for reset from error state
-		IF (GVL_MODBUS.stModbusEMSComm.stModbusReg12.diSetpointActivePower = 0) AND (NOT _fbString.xError) AND (NOT _fbInverter.xError) THEN
+		IF (_rAutoPowerRequest = 0.0) AND (NOT _fbString.xError) AND (NOT _fbInverter.xError) THEN
 			// Reset modbus error register
 			GVL_MODBUS.stModbusEMSComm.stModbusReg11.lwErrorBitmap := 0;
 			
@@ -410,106 +451,115 @@ END_CASE]]></ST>
    </Action>
    <Action Name="SM_SAFETY_CHECK" Id="{6d8e5993-cf32-4980-9ea3-c1fbfa4b8601}">
      <Implementation>
-        <ST><![CDATA[// start pumps
-
-// open valves
-
-// wait for equilibrium and voltage in range
-
-// engange dc breakers
-
-// wait for stop or error
+        <ST><![CDATA[// wait for stop or error

 // on stop: open dc circuit breakers and close valves

 // wait for voltage to drop below xx volts

-// stop pumps]]></ST>
+// stop pumps
+CASE _iStateSafetyCheck OF
+	0: // Idle
+		// Wait for power command
+		IF _xStartSafetyCheck THEN
+			_xEnableString := TRUE;
+			_xEnableInverter := FALSE;
+			_iStateSafetyCheck := 10;
+		END_IF
+		
+	10: // Wait for string to be ready
+		IF _fbString.xReady AND (NOT _fbString.xError) THEN
+			_iStateSafetyCheck := 30;
+		END_IF
+		
+		IF NOT _xStartSafetyCheck THEN
+			_xEnableString := FALSE;
+			_iStateSafetyCheck := 0;
+		END_IF
+		
+	30: // String enabled and dc circuit breaker closed
+		// Check if the battery should still be active
+		IF (NOT _xStartSafetyCheck) THEN
+			// Start string shutdown
+			_xEnableString := FALSE;
+			GVL_MODBUS.stModbusEMSComm.stModbusReg11.eChargeStatus := E_CHARGE_STATUS.UNDEFINED;
+			GVL_MODBUS.stModbusEMSComm.stModbusReg10.uiActiveParallelMembers := 0;
+			_iStateSafetyCheck := 45;
+		END_IF
+		
+		// Check for errors
+		IF _fbString.xError THEN
+			_iStateSafetyCheck := 1000;
+		END_IF
+		
+	45: // Wait for shutdown of string to be done
+		IF _fbString.xOff THEN
+			_iStateSafetyCheck := 0;
+		END_IF
+	
+		// Check for errors
+		IF _fbString.xError THEN
+			_iStateSafetyCheck := 1000;
+		END_IF
+		
+	1000: // Error state
+		_xEnableString := FALSE;
+		_xEnableInverter := FALSE;
+		_rPowerInverter := 0.0;
+		_iStateSafetyCheck := 1010;
+		
+	1010: // Wait for reset from error state
+		IF (NOT _fbString.xError) AND NOT _xStartSafetyCheck THEN
+			// Goto init state
+			_iStateSafetyCheck := 0;
+		END_IF
+END_CASE]]></ST>
      </Implementation>
    </Action>
    <LineIds Name="MAIN">
-      <LineId Id="405" Count="0" />
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-    </LineIds>
-    <LineIds Name="MAIN.SM_AUTO_REMOTE">
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+    <LineIds Name="MAIN.SM_AUTO">
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@@ -519,20 +569,31 @@ END_CASE]]></ST>
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