diff --git a/csharp/App/SaliMax/src/Program.cs b/csharp/App/SaliMax/src/Program.cs
index 0e5c4b825..784baa1e4 100644
--- a/csharp/App/SaliMax/src/Program.cs
+++ b/csharp/App/SaliMax/src/Program.cs
@@ -205,21 +205,26 @@ internal static class Program
 
     private static void ControlConstants(this StatusRecord r)
     {
-        var inverters = r.AcDc.Devices;
-        var dcDevices = r.DcDc.Devices;
+        var inverters  = r.AcDc.Devices;
+        var dcDevices  = r.DcDc.Devices;
+        var configFile = r.Config;
+
+        var gridTie    = r.AcDc.Devices.All(d => d.Control.Ac.GridType == GridType.GridTied400V50Hz); // TODO if any of the grid tie mode
+
+        inverters.ForEach(d => d.Control.Dc.MaxVoltage                              = gridTie ? configFile.GridTie.AcDc.MaxDcLinkVoltage       : configFile.IslandMode.AcDc.MaxDcLinkVoltage);
+        inverters.ForEach(d => d.Control.Dc.MinVoltage                              = gridTie ? configFile.GridTie.AcDc.MinDcLinkVoltage       : configFile.IslandMode.AcDc.MinDcLinkVoltage);
+        inverters.ForEach(d => d.Control.Dc.ReferenceVoltage                        = gridTie ? configFile.GridTie.AcDc.ReferenceDcLinkVoltage : configFile.IslandMode.AcDc.ReferenceDcLinkVoltage);
         
-        inverters.ForEach(d => d.Control.Dc.MaxVoltage                               = r.Config.MaxDcLinkVoltageFromAcDc);
-        inverters.ForEach(d => d.Control.Dc.MinVoltage                               = r.Config.MinDcLinkVoltageFromAcDc);
-        inverters.ForEach(d => d.Control.Dc.ReferenceVoltage                         = r.Config.ReferenceDcLinkVoltageFromAcDc);
-        inverters.ForEach(d => d.Control.Dc.PrechargeConfig                          = DcPrechargeConfig.PrechargeDcWithInternal);
+        inverters.ForEach(d => d.Control.Dc.PrechargeConfig                         = DcPrechargeConfig.PrechargeDcWithInternal);
+       
+        dcDevices.ForEach(d => d.Control.DroopControl.UpperVoltage                  = gridTie ? configFile.GridTie.DcDc.UpperDcLinkVoltage     : configFile.IslandMode.DcDc.UpperDcLinkVoltage);
+        dcDevices.ForEach(d => d.Control.DroopControl.LowerVoltage                  = gridTie ? configFile.GridTie.DcDc.LowerDcLinkVoltage     : configFile.IslandMode.DcDc.LowerDcLinkVoltage);
+        dcDevices.ForEach(d => d.Control.DroopControl.ReferenceVoltage              = gridTie ? configFile.GridTie.DcDc.ReferenceDcLinkVoltage : configFile.IslandMode.DcDc.ReferenceDcLinkVoltage);
         
-        dcDevices.ForEach(d => d.Control.DroopControl.UpperVoltage                   = r.Config.UpperDcLinkVoltageFromDc);
-        dcDevices.ForEach(d => d.Control.DroopControl.LowerVoltage                   = r.Config.LowerDcLinkVoltageFromDc);
-        dcDevices.ForEach(d => d.Control.DroopControl.ReferenceVoltage               = r.Config.ReferenceDcLinkVoltageFromDc);
-        dcDevices.ForEach(d => d.Control.CurrentControl.MaxBatteryChargingCurrent    = r.Config.MaxBatteryChargingCurrent);
-        dcDevices.ForEach(d => d.Control.CurrentControl.MaxBatteryDischargingCurrent = r.Config.MaxBatteryDischargingCurrent);
-        dcDevices.ForEach(d => d.Control.VoltageLimits.MaxBatteryVoltage             = r.Config.MaxChargeBatteryVoltage);
-        dcDevices.ForEach(d => d.Control.VoltageLimits.MinBatteryVoltage             = r.Config.MinDischargeBatteryVoltage);
+        dcDevices.ForEach(d => d.Control.CurrentControl.MaxBatteryChargingCurrent    = configFile.MaxBatteryChargingCurrent);
+        dcDevices.ForEach(d => d.Control.CurrentControl.MaxBatteryDischargingCurrent = configFile.MaxBatteryDischargingCurrent);
+        dcDevices.ForEach(d => d.Control.VoltageLimits.MaxBatteryVoltage             = configFile.MaxChargeBatteryVoltage);
+        dcDevices.ForEach(d => d.Control.VoltageLimits.MinBatteryVoltage             = configFile.MinDischargeBatteryVoltage);
         dcDevices.ForEach(d => d.Control.ControlMode                                 = DcControlMode.VoltageDroop);
         
         r.DcDc.ResetAlarms();