Change E-Stop so that it can also work with one string

- Also optimized CV charging

PLC/GVLs/GVL_CONFIG.TcGVL

@@ -300,7 +300,10 @@ VAR_GLOBAL PERSISTENT
 	rCVTn : REAL := 0.0;
 	
 	// Minimum current for cv charging in Amps
-	rMinCVCurrentForFull : REAL := -5.0;
+	rMinCVCurrentForFull : REAL := 5.0;
+	
+	// Time for current to be below set target before cv charging is done
+	timCVCurrentReached : TIME := T#10S;
 	
 	// Dummy to deactivate functions
 	{attribute 'analysis' := '-33'}