Added Simulation plc and removed unnecessary files from repository

PLC_SIM/POUs/Valve_Mockup/FB_ValveMockup.TcPOU

@@ -5,6 +5,9 @@
 VAR_INPUT
 	xOpenValve AT %I* : BOOL;
 	xCloseValve AT %I* : BOOL;
+	
+	xErrorOpen : BOOL := FALSE;
+	xErrorClose : BOOL := FALSE;
 END_VAR
 VAR_OUTPUT
 	xOpenFeedback AT %Q* : BOOL;
@@ -21,8 +24,8 @@ _tonOpen(IN := xOpenValve);
 _tonClose(IN := xCloseValve);
 
 // Open and close feedback
-xOpenFeedback := _tonOpen.Q;
-xCloseFeedback := _tonClose.Q;]]></ST>
+xOpenFeedback := _tonOpen.Q AND (NOT xErrorOpen);
+xCloseFeedback := _tonClose.Q AND (NOT xErrorClose);]]></ST>
     </Implementation>
     <LineIds Name="FB_ValveMockup">
       <LineId Id="54" Count="5" />