diff --git a/solution/tc_project_app/GVLs/GVL_APP.TcGVL b/solution/tc_project_app/GVLs/GVL_APP.TcGVL
index 05a6eef..0da9a07 100644
--- a/solution/tc_project_app/GVLs/GVL_APP.TcGVL
+++ b/solution/tc_project_app/GVLs/GVL_APP.TcGVL
@@ -10,6 +10,12 @@ END_VAR
 VAR_GLOBAL CONSTANT
     nAXIS_NUM: UINT := 0; //Specifies the total of axes in the system
     nPNEUMATIC_AXIS_NUM: UINT := 0; //Specifies the total number of pneumatic axes in the system
+
+    //Pneumatic air pressure groups high and low limits
+    fLOW_LIMIT_AIR_PRESSURE1: REAL := 0; //User defined value in bar for low limit air pressure value for pneumatic axes group 1
+    fHIGH_LIMIT_AIR_PRESSURE1: REAL := 0; //User defined value in bar for high limit air pressure value for pneumatic axes group 1
+    fLOW_LIMIT_AIR_PRESSURE2: REAL := 0; //User defined value in bar for low limit air pressure value for pneumatic axes group 2
+    fHIGH_LIMIT_AIR_PRESSURE2: REAL := 0; //User defined value in bar for high limit air pressure value for pneumatic axes group 2
 END_VAR
 ]]></Declaration>
   </GVL>