Some refactoring after static code analysis

PLC/01_Stationen/HVTester/FB_HVTester.TcPOU

@@ -8,33 +8,33 @@ END_VAR
 VAR_OUTPUT
 END_VAR
 VAR
-	_xOpenDoor1 AT %Q* : BOOL;
-	_xOpenDoor2 AT %Q* : BOOL;
+	xOpenDoor1 AT %Q* : BOOL;
+	xOpenDoor2 AT %Q* : BOOL;
 	
-	_xCloseDoor1 AT %Q* : BOOL;
-	_xCloseDoor2 AT %Q* : BOOL;
+	xCloseDoor1 AT %Q* : BOOL;
+	xCloseDoor2 AT %Q* : BOOL;
 
 	// Chamber is the big cylinder not the door
-	_xOpenChamber1 AT %Q* : BOOL;
-	_xOpenChamber2 AT %Q* : BOOL;
+	xOpenChamber1 AT %Q* : BOOL;
+	xOpenChamber2 AT %Q* : BOOL;
 	
-	_xCloseChamber1 AT %Q* : BOOL;
-	_xCloseChamber2 AT %Q* : BOOL;
+	xCloseChamber1 AT %Q* : BOOL;
+	xCloseChamber2 AT %Q* : BOOL;
 END_VAR
 ]]></Declaration>
     <Implementation>
       <ST><![CDATA[IF xOpenChambers THEN
-	_xOpenDoor1 := TRUE;
-	_xOpenDoor2 := TRUE;
+	xOpenDoor1 := TRUE;
+	xOpenDoor2 := TRUE;
 	
-	_xCloseDoor1 := FALSE;
-	_xCloseDoor2 := FALSE;
+	xCloseDoor1 := FALSE;
+	xCloseDoor2 := FALSE;
 ELSE
-	_xOpenDoor1 := FALSE;
-	_xOpenDoor2 := FALSE;
+	xOpenDoor1 := FALSE;
+	xOpenDoor2 := FALSE;
 	
-	_xCloseDoor1 := TRUE;
-	_xCloseDoor2 := TRUE;
+	xCloseDoor1 := TRUE;
+	xCloseDoor2 := TRUE;
 END_IF
 
 // Call base sm