diff --git a/solution/solution.tsproj b/solution/solution.tsproj
index e663030..9224788 100644
--- a/solution/solution.tsproj
+++ b/solution/solution.tsproj
@@ -1171,7 +1171,6 @@ External Setpoint Generation:
 				</Instance>
 			</Project>
 		</Plc>
-		<Io/>
 	</Project>
 	<Mappings>
 		<MappingInfo Identifier="{05000010-2041-0850-3000-040340205008}" Id="#x02030010" Watchdog="04000000080000000400000004000000"/>
diff --git a/solution/tc_project_app/GVLs/GVL_APP.TcGVL b/solution/tc_project_app/GVLs/GVL_APP.TcGVL
new file mode 100644
index 0000000..a366e64
--- /dev/null
+++ b/solution/tc_project_app/GVLs/GVL_APP.TcGVL
@@ -0,0 +1,14 @@
+<?xml version="1.0" encoding="utf-8"?>
+<TcPlcObject Version="1.1.0.1" ProductVersion="3.1.4022.17">
+  <GVL Name="GVL_APP" Id="{8fe9690c-7907-432e-bedb-6fc99b5ce255}">
+    <Declaration><![CDATA[{attribute 'qualified_only'}
+VAR_GLOBAL
+	
+END_VAR
+
+VAR_GLOBAL CONSTANT
+	axisNum	:	UINT:=3;
+	//axisCoupleMax	:	UINT:=4;
+END_VAR]]></Declaration>
+  </GVL>
+</TcPlcObject>
\ No newline at end of file
diff --git a/solution/tc_project_app/POUs/MAIN.TcPOU b/solution/tc_project_app/POUs/MAIN.TcPOU
index dd8707e..1b367f8 100644
--- a/solution/tc_project_app/POUs/MAIN.TcPOU
+++ b/solution/tc_project_app/POUs/MAIN.TcPOU
@@ -5,7 +5,7 @@
 VAR
 	sVersion: STRING:='1.0.0';
 	i : UINT; //index variable for AXES()
-	aFbAxes: ARRAY [1..gvl.axisNum] OF FB_Axis;
+	aFbAxes: ARRAY [1..gvl_app.axisNum] OF FB_Axis;
 	hmiAxisSelection	:	INT:=1;		//Not possible to use local hmi variables for array indexes
 	
 (******Outputs: Power for Limit switches and Home Sensors (every 4th output)********)
@@ -27,7 +27,7 @@ VAR
 	
 (******Error Handling********)
 	fbErrorSystem: FB_ErrorSystem;
-	aFbAxesError: ARRAY [1..gvl.axisNum] OF FB_NC_Error;
+	aFbAxesError: ARRAY [1..gvl_app.axisNum] OF FB_NC_Error;
 	
 	//fbEL1018	: EL1018;
 	//fbEL2808	: EL2808;
@@ -51,7 +51,7 @@ ERROR();]]></ST>
     <Action Name="AXES" Id="{7eb32732-9b53-4934-8cd9-20ba971dd8ff}">
       <Implementation>
         <ST><![CDATA[
-FOR GVL.iAxis:=1 TO gvl.axisNum DO
+FOR GVL.iAxis:=1 TO gvl_app.axisNum DO
 	aFbAxes[GVL.iAxis](stAxisStruct:=gvl.axes[GVL.iAxis]);
 END_FOR
 
@@ -76,7 +76,7 @@ fbErrorSystem(
 	pErrorSystem=> );
 
 
-FOR GVL.iAxis:=1 TO gvl.axisNum DO
+FOR GVL.iAxis:=1 TO gvl_app.axisNum DO
 	aFbAxesError[gvl.iAxis](EN:=TRUE, 
 	nNC_ErrorID:= gvl.axes[gvl.iAxis].status.nErrorID, 
 	nNC_AxisID:=gvl.axes[gvl.iAxis].Axis.NcToPlc.AxisId, 
diff --git a/solution/tc_project_app/tc_mca_std_lib b/solution/tc_project_app/tc_mca_std_lib
index 1a5fa47..f2b1862 160000
--- a/solution/tc_project_app/tc_mca_std_lib
+++ b/solution/tc_project_app/tc_mca_std_lib
@@ -1 +1 @@
-Subproject commit 1a5fa47db49901bee67a942ad2ce5447a7903b0a
+Subproject commit f2b186273119f71345ff25367b3145b07dfa66f4
diff --git a/solution/tc_project_app/tc_project_app.plcproj b/solution/tc_project_app/tc_project_app.plcproj
index b6cbc8b..903cef5 100644
--- a/solution/tc_project_app/tc_project_app.plcproj
+++ b/solution/tc_project_app/tc_project_app.plcproj
@@ -19,6 +19,10 @@
     <Compile Include="GlobalTextList.TcGTLO">
       <SubType>Code</SubType>
     </Compile>
+    <Compile Include="GVLs\GVL_APP.TcGVL">
+      <SubType>Code</SubType>
+      <LinkAlways>true</LinkAlways>
+    </Compile>
     <Compile Include="PlcTask.TcTTO">
       <SubType>Code</SubType>
     </Compile>