Added exception throwing when transporter is disconnected.

Added dispensers controllers to technician mode on PPC.

23 files changed, 648 insertions, 13 deletions

diff --git a/Software/DB/PPC/Tango.mdf b/Software/DB/PPC/Tango.mdf
index 2e33873fa..c7be9fdc6 100644
--- a/Software/DB/PPC/Tango.mdf
+++ b/Software/DB/PPC/Tango.mdf
diff --git a/Software/DB/PPC/Tango_log.ldf b/Software/DB/PPC/Tango_log.ldf
index f32930dff..099506086 100644
--- a/Software/DB/PPC/Tango_log.ldf
+++ b/Software/DB/PPC/Tango_log.ldf
diff --git a/Software/DB/TCC/TCC.mdf b/Software/DB/TCC/TCC.mdf
index 9a07550ca..032683b9d 100644
--- a/Software/DB/TCC/TCC.mdf
+++ b/Software/DB/TCC/TCC.mdf
diff --git a/Software/DB/TCC/TCC_log.ldf b/Software/DB/TCC/TCC_log.ldf
index 6463bbdf7..c016fe931 100644
--- a/Software/DB/TCC/TCC_log.ldf
+++ b/Software/DB/TCC/TCC_log.ldf
diff --git a/Software/Graphics/Mobile/Technician/dispensers.png b/Software/Graphics/Mobile/Technician/dispensers.png
new file mode 100644
index 000000000..65d59b082
--- /dev/null
+++ b/Software/Graphics/Mobile/Technician/dispensers.png
diff --git a/Software/Visual_Studio/PPC/Modules/Tango.PPC.Technician/Controls/DispenserController.xaml b/Software/Visual_Studio/PPC/Modules/Tango.PPC.Technician/Controls/DispenserController.xaml
new file mode 100644
index 000000000..3fc7c607e
--- /dev/null
+++ b/Software/Visual_Studio/PPC/Modules/Tango.PPC.Technician/Controls/DispenserController.xaml
@@ -0,0 +1,94 @@
+<UserControl x:Class="Tango.PPC.Technician.Controls.DispenserController"
+             xmlns="http://schemas.microsoft.com/winfx/2006/xaml/presentation"
+             xmlns:x="http://schemas.microsoft.com/winfx/2006/xaml"
+             xmlns:mc="http://schemas.openxmlformats.org/markup-compatibility/2006" 
+             xmlns:d="http://schemas.microsoft.com/expression/blend/2008"
+             xmlns:touch="clr-namespace:Tango.Touch.Controls;assembly=Tango.Touch"
+             xmlns:local="clr-namespace:Tango.PPC.Technician.Controls"
+             mc:Ignorable="d" 
+             d:DesignHeight="150" d:DesignWidth="800" x:Name="control">
+    <Grid>
+        <Border CornerRadius="5" Background="{StaticResource TangoPrimaryBackgroundBrush}" BorderBrush="{StaticResource TangoLightBorderBrush}" BorderThickness="1">
+            <Grid>
+                <Grid.RowDefinitions>
+                    <RowDefinition Height="41*"/>
+                    <RowDefinition Height="66*"/>
+                    <RowDefinition Height="41*"/>
+                </Grid.RowDefinitions>
+
+                <Border Grid.Row="1">
+                    <DockPanel Margin="40 0 0 0">
+                        <Grid HorizontalAlignment="Left">
+                            <Ellipse Stroke="{StaticResource TangoGrayBrush}" StrokeThickness="3"></Ellipse>
+                            <touch:TouchBusyIndicator Minimum="0" Maximum="100" Value="0" IsIndeterminate="{Binding ElementName=control,Path=IsHoming}" Width="Auto" Height="Auto">
+
+                            </touch:TouchBusyIndicator>
+                            <touch:TouchIconButton x:Name="btnHome" IsEnabled="{Binding ElementName=control,Path=IsJogging,Converter={StaticResource BooleanInverseConverter}}" HorizontalAlignment="Left" Padding="20">
+                                <touch:TouchIconButton.Style>
+                                    <Style TargetType="touch:TouchIconButton" BasedOn="{StaticResource {x:Type touch:TouchIconButton}}">
+                                        <Setter Property="Icon" Value="Home"></Setter>
+                                        <Setter Property="Foreground" Value="{StaticResource TangoPrimaryAccentBrush}"></Setter>
+                                        <Style.Triggers>
+                                            <DataTrigger Binding="{Binding ElementName=control,Path=IsHoming}" Value="True">
+                                                <Setter Property="Icon" Value="Stop"></Setter>
+                                            </DataTrigger>
+                                        </Style.Triggers>
+                                    </Style>
+                                </touch:TouchIconButton.Style>
+                            </touch:TouchIconButton>
+                        </Grid>
+
+                        <StackPanel Orientation="Horizontal" VerticalAlignment="Center" Margin="20 0 0 0" TextElement.FontSize="{StaticResource TangoTitleFontSize}">
+                            <TextBlock Width="245">
+                            <Run Text="Dispenser:"></Run>
+                            <Run FontWeight="SemiBold" Text="{Binding ElementName=control,Path=IdsPack.LiquidType.Name,FallbackValue='Unknown'}"></Run>
+                            </TextBlock>
+
+                            <TextBlock Margin="40 0 0 0">
+                            <Run Text="Index:"></Run>
+                            <Run FontWeight="SemiBold" Text="{Binding ElementName=control,Path=IdsPack.PackIndex,FallbackValue='1'}"></Run>
+                            </TextBlock>
+
+                            <TextBlock Margin="40 0 0 0" Foreground="{StaticResource TangoPrimaryAccentBrush}" FontStyle="Italic">
+                                <TextBlock.Style>
+                                    <Style TargetType="TextBlock">
+                                        <Setter Property="Text" Value="Ready"></Setter>
+                                        <Style.Triggers>
+                                            <DataTrigger Binding="{Binding ElementName=control,Path=IsHoming}" Value="True">
+                                                <Setter Property="Text" Value="Homing..."></Setter>
+                                            </DataTrigger>
+                                            <DataTrigger Binding="{Binding ElementName=control,Path=IsJogging}" Value="True">
+                                                <Setter Property="Text" Value="Jogging..."></Setter>
+                                            </DataTrigger>
+                                        </Style.Triggers>
+                                    </Style>
+                                </TextBlock.Style>
+                            </TextBlock>
+                        </StackPanel>
+
+
+                        <touch:TouchNumericTextBox Foreground="{StaticResource TangoPrimaryAccentBrush}" x:Name="numSpeed" VerticalContentAlignment="Center" Minimum="1" Maximum="10000" Value="1000" HorizontalContentAlignment="Center" FontSize="{StaticResource TangoTitleFontSize}" DockPanel.Dock="Right" Width="100" HorizontalAlignment="Right" VerticalAlignment="Center" Margin="20 0 20 0"></touch:TouchNumericTextBox>
+                        <Rectangle DockPanel.Dock="Right" HorizontalAlignment="Right" Stroke="{StaticResource TangoDividerBrush}"></Rectangle>
+                    </DockPanel>
+                </Border>
+
+                <touch:TouchIconButton x:Name="btnUp" IsEnabled="{Binding ElementName=control,Path=IsHoming,Converter={StaticResource BooleanInverseConverter}}" HorizontalAlignment="Left" Margin="54 0 0 0" Icon="ChevronUpSolid">
+                    <touch:TouchIconButton.Style>
+                        <Style TargetType="touch:TouchIconButton" BasedOn="{StaticResource {x:Type touch:TouchIconButton}}">
+                            <Setter Property="Foreground" Value="{StaticResource TangoPrimaryAccentBrush}"></Setter>
+                        </Style>
+                    </touch:TouchIconButton.Style>
+                </touch:TouchIconButton>
+
+                <touch:TouchIconButton x:Name="btnDown" IsEnabled="{Binding ElementName=control,Path=IsHoming,Converter={StaticResource BooleanInverseConverter}}" Grid.Row="2" HorizontalAlignment="Left" Margin="54 0 0 0" Icon="ChevronDownSolid">
+                    <touch:TouchIconButton.Style>
+                        <Style TargetType="touch:TouchIconButton" BasedOn="{StaticResource {x:Type touch:TouchIconButton}}">
+                            <Setter Property="Foreground" Value="{StaticResource TangoPrimaryAccentBrush}"></Setter>
+                        </Style>
+                    </touch:TouchIconButton.Style>
+                </touch:TouchIconButton>
+            </Grid>
+        </Border>
+    </Grid>
+</UserControl>
+    
diff --git a/Software/Visual_Studio/PPC/Modules/Tango.PPC.Technician/Controls/DispenserController.xaml.cs b/Software/Visual_Studio/PPC/Modules/Tango.PPC.Technician/Controls/DispenserController.xaml.cs
new file mode 100644
index 000000000..98b857fba
--- /dev/null
+++ b/Software/Visual_Studio/PPC/Modules/Tango.PPC.Technician/Controls/DispenserController.xaml.cs
@@ -0,0 +1,202 @@
+using System;
+using System.Collections.Generic;
+using System.Linq;
+using System.Text;
+using System.Threading.Tasks;
+using System.Windows;
+using System.Windows.Controls;
+using System.Windows.Data;
+using System.Windows.Documents;
+using System.Windows.Input;
+using System.Windows.Media;
+using System.Windows.Media.Imaging;
+using System.Windows.Navigation;
+using System.Windows.Shapes;
+using Tango.BL.Entities;
+using Tango.Core.EventArguments;
+using Tango.Integration.Operation;
+using Tango.PMR.Diagnostics;
+using System.Reactive.Concurrency;
+using System.Reactive;
+
+namespace Tango.PPC.Technician.Controls
+{
+    /// <summary>
+    /// Interaction logic for DispenserController.xaml
+    /// </summary>
+    public partial class DispenserController : UserControl
+    {
+        public IdsPack IdsPack
+        {
+            get { return (IdsPack)GetValue(IdsPackProperty); }
+            set { SetValue(IdsPackProperty, value); }
+        }
+        public static readonly DependencyProperty IdsPackProperty =
+            DependencyProperty.Register("IdsPack", typeof(IdsPack), typeof(DispenserController), new PropertyMetadata(null));
+
+        public IMachineOperator MachineOperator
+        {
+            get { return (IMachineOperator)GetValue(MachineOperatorProperty); }
+            set { SetValue(MachineOperatorProperty, value); }
+        }
+        public static readonly DependencyProperty MachineOperatorProperty =
+            DependencyProperty.Register("MachineOperator", typeof(IMachineOperator), typeof(DispenserController), new PropertyMetadata(null));
+
+        public bool IsHoming
+        {
+            get { return (bool)GetValue(IsHomingProperty); }
+            set { SetValue(IsHomingProperty, value); }
+        }
+        public static readonly DependencyProperty IsHomingProperty =
+            DependencyProperty.Register("IsHoming", typeof(bool), typeof(DispenserController), new PropertyMetadata(false));
+
+        public bool IsJogging
+        {
+            get { return (bool)GetValue(IsJoggingProperty); }
+            set { SetValue(IsJoggingProperty, value); }
+        }
+        public static readonly DependencyProperty IsJoggingProperty =
+            DependencyProperty.Register("IsJogging", typeof(bool), typeof(DispenserController), new PropertyMetadata(false));
+
+        public DispenserController()
+        {
+            InitializeComponent();
+
+            btnHome.Click += BtnHome_Click;
+            btnUp.RegisterForPreviewMouseOrTouchDown(OnUpButtonPressed);
+            btnUp.RegisterForPreviewMouseOrTouchUp(OnUpButtonReleased);
+            btnDown.RegisterForPreviewMouseOrTouchDown(OnDownButtonPressed);
+            btnDown.RegisterForPreviewMouseOrTouchUp(OnDownButtonReleased);
+        }
+
+        #region Home
+
+        private async void BtnHome_Click(object sender, RoutedEventArgs e)
+        {
+            if (!IsHoming)
+            {
+                try
+                {
+                    IsHoming = true;
+
+                    MachineOperator.StartDispenserHoming(new DispenserHomingRequest()
+                    {
+                        Index = IdsPack.PackIndex,
+                        Speed = numSpeed.Value,
+                        Direction = MotorDirection.Forward
+                    })
+                    .Subscribe((response) =>
+                    {
+
+
+
+                    }, (ex) =>
+                    {
+
+                        InvokeUI(() => IsHoming = false);
+
+
+                    }, () =>
+                    {
+
+                        InvokeUI(() => IsHoming = false);
+
+                    });
+                }
+                catch
+                {
+                    IsHoming = false;
+                }
+            }
+            else
+            {
+                IsHoming = false;
+
+                try
+                {
+                    await MachineOperator.StopDispenserHoming(new DispenserAbortHomingRequest()
+                    {
+                        Index = IdsPack.PackIndex,
+                    });
+                }
+                catch { }
+            }
+        }
+
+        #endregion
+
+        #region Up
+
+        private async void OnUpButtonPressed(object sender, MouseOrTouchEventArgs e)
+        {
+            IsJogging = true;
+
+
+            try
+            {
+                await MachineOperator.StartDispenserJogging(new DispenserJoggingRequest()
+                {
+                    Index = IdsPack.PackIndex,
+                    Direction = MotorDirection.Forward,
+                    Speed = numSpeed.Value,
+                });
+            }
+            catch { }
+        }
+
+        private async void OnUpButtonReleased(object sender, MouseOrTouchEventArgs e)
+        {
+            IsJogging = false;
+
+            try
+            {
+                await MachineOperator.StopDispenserJogging(new DispenserAbortJoggingRequest()
+                {
+                    Index = IdsPack.PackIndex,
+                });
+            }
+            catch { }
+        }
+
+        #endregion
+
+        #region Down
+
+        private async void OnDownButtonPressed(object sender, MouseOrTouchEventArgs e)
+        {
+            IsJogging = true;
+
+            try
+            {
+                await MachineOperator.StartDispenserJogging(new DispenserJoggingRequest()
+                {
+                    Index = IdsPack.PackIndex,
+                    Direction = MotorDirection.Backward,
+                    Speed = numSpeed.Value,
+                });
+            }
+            catch { }
+        }
+
+        private async void OnDownButtonReleased(object sender, MouseOrTouchEventArgs e)
+        {
+            IsJogging = false;
+
+            try
+            {
+                await MachineOperator.StopDispenserJogging(new DispenserAbortJoggingRequest()
+                {
+                    Index = IdsPack.PackIndex,
+                });
+            }
+            catch { }
+        }
+
+        #endregion
+
+        private void InvokeUI(Action action)
+        {
+            Dispatcher.BeginInvoke(action);
+        }
+    }
+}
diff --git a/Software/Visual_Studio/PPC/Modules/Tango.PPC.Technician/Images/dispensers.png b/Software/Visual_Studio/PPC/Modules/Tango.PPC.Technician/Images/dispensers.png
new file mode 100644
index 000000000..65d59b082
--- /dev/null
+++ b/Software/Visual_Studio/PPC/Modules/Tango.PPC.Technician/Images/dispensers.png
diff --git a/Software/Visual_Studio/PPC/Modules/Tango.PPC.Technician/Models/DispenserController.cs b/Software/Visual_Studio/PPC/Modules/Tango.PPC.Technician/Models/DispenserController.cs
new file mode 100644
index 000000000..a3ee9a613
--- /dev/null
+++ b/Software/Visual_Studio/PPC/Modules/Tango.PPC.Technician/Models/DispenserController.cs
@@ -0,0 +1,73 @@
+using System;
+using System.Collections.Generic;
+using System.Linq;
+using System.Text;
+using System.Threading.Tasks;
+using Tango.Core;
+using Tango.Core.Commands;
+using Tango.Integration.Operation;
+using Tango.PMR.Diagnostics;
+
+namespace Tango.PPC.Technician.Models
+{
+    public class DispenserController : ExtendedObject
+    {
+        private IMachineOperator _operator;
+
+        public String Name { get; set; }
+        public int Index { get; set; }
+
+        private bool _isMovingUp;
+        public bool IsMovingUp
+        {
+            get { return _isMovingUp; }
+            set { _isMovingUp = value; RaisePropertyChangedAuto(); }
+        }
+
+        private bool _isMovingDown;
+        public bool IsMovingDown
+        {
+            get { return _isMovingDown; }
+            set { _isMovingDown = value; RaisePropertyChangedAuto(); }
+        }
+
+
+        private bool _isHoming;
+        public bool IsHoming
+        {
+            get { return _isHoming; }
+            set { _isHoming = value; RaisePropertyChangedAuto(); }
+        }
+
+        public RelayCommand MoveUpCommand { get; set; }
+        public RelayCommand MoveDownCommand { get; set; }
+        public RelayCommand HomeCommand { get; set; }
+
+        public DispenserController(IMachineOperator machineOperator)
+        {
+            _operator = machineOperator;
+        }
+
+        public DispenserController()
+        {
+            MoveUpCommand = new RelayCommand(MoveUp, () => !IsHoming && !IsMovingDown);
+            MoveDownCommand = new RelayCommand(MoveDown, () => !IsHoming && !IsMovingUp);
+            HomeCommand = new RelayCommand(Home, () => !IsMovingUp && !IsMovingDown);
+        }
+
+        private void Home()
+        {
+
+        }
+
+        private void MoveDown()
+        {
+
+        }
+
+        private async void MoveUp()
+        {
+            await _operator.StartDispenserJogging(new DispenserJoggingRequest());
+        }
+    }
+}
diff --git a/Software/Visual_Studio/PPC/Modules/Tango.PPC.Technician/Tango.PPC.Technician.csproj b/Software/Visual_Studio/PPC/Modules/Tango.PPC.Technician/Tango.PPC.Technician.csproj
index 5b34c38a1..212ab6f16 100644
--- a/Software/Visual_Studio/PPC/Modules/Tango.PPC.Technician/Tango.PPC.Technician.csproj
+++ b/Software/Visual_Studio/PPC/Modules/Tango.PPC.Technician/Tango.PPC.Technician.csproj
@@ -37,9 +37,15 @@
     <Reference Include="EntityFramework.SqlServer, Version=6.0.0.0, Culture=neutral, PublicKeyToken=b77a5c561934e089, processorArchitecture=MSIL">
       <HintPath>..\..\..\packages\EntityFramework.6.2.0\lib\net45\EntityFramework.SqlServer.dll</HintPath>
     </Reference>
+    <Reference Include="Google.Protobuf, Version=3.4.1.0, Culture=neutral, PublicKeyToken=a7d26565bac4d604, processorArchitecture=MSIL">
+      <HintPath>..\..\..\packages\Google.Protobuf.3.4.1\lib\net45\Google.Protobuf.dll</HintPath>
+    </Reference>
     <Reference Include="System" />
     <Reference Include="System.ComponentModel.DataAnnotations" />
     <Reference Include="System.Data" />
+    <Reference Include="System.Reactive.Core, Version=3.0.3000.0, Culture=neutral, PublicKeyToken=94bc3704cddfc263, processorArchitecture=MSIL">
+      <HintPath>..\..\..\packages\System.Reactive.Core.3.1.1\lib\net46\System.Reactive.Core.dll</HintPath>
+    </Reference>
     <Reference Include="System.Xml" />
     <Reference Include="Microsoft.CSharp" />
     <Reference Include="System.Core" />
@@ -57,6 +63,10 @@
     <Compile Include="..\..\..\Versioning\GlobalVersionInfo.cs">
       <Link>GlobalVersionInfo.cs</Link>
     </Compile>
+    <Compile Include="Controls\DispenserController.xaml.cs">
+      <DependentUpon>DispenserController.xaml</DependentUpon>
+    </Compile>
+    <Compile Include="Models\DispenserController.cs" />
     <Compile Include="TechnicianModule.cs" />
     <Compile Include="Properties\AssemblyInfo.cs">
       <SubType>Code</SubType>
@@ -73,11 +83,15 @@
     </Compile>
     <Compile Include="ViewModelLocator.cs" />
     <Compile Include="ViewModels\CatalogViewVM.cs" />
+    <Compile Include="ViewModels\DispensersViewVM.cs" />
     <Compile Include="ViewModels\LoggingViewVM.cs" />
     <Compile Include="ViewModels\MainViewVM.cs" />
     <Compile Include="Views\CatalogView.xaml.cs">
       <DependentUpon>CatalogView.xaml</DependentUpon>
     </Compile>
+    <Compile Include="Views\DispensersView.xaml.cs">
+      <DependentUpon>DispensersView.xaml</DependentUpon>
+    </Compile>
     <Compile Include="Views\LoggingView.xaml.cs">
       <DependentUpon>LoggingView.xaml</DependentUpon>
     </Compile>
@@ -104,10 +118,18 @@
       <Project>{A34EE0F0-649D-41C8-8489-B6F1CC6924EE}</Project>
       <Name>Tango.Core</Name>
     </ProjectReference>
+    <ProjectReference Include="..\..\..\Tango.Integration\Tango.Integration.csproj">
+      <Project>{4206ac58-3b57-4699-8835-90bf6db01a61}</Project>
+      <Name>Tango.Integration</Name>
+    </ProjectReference>
     <ProjectReference Include="..\..\..\Tango.Logging\Tango.Logging.csproj">
       <Project>{BC932DBD-7CDB-488C-99E4-F02CF441F55E}</Project>
       <Name>Tango.Logging</Name>
     </ProjectReference>
+    <ProjectReference Include="..\..\..\Tango.PMR\Tango.PMR.csproj">
+      <Project>{e4927038-348d-4295-aaf4-861c58cb3943}</Project>
+      <Name>Tango.PMR</Name>
+    </ProjectReference>
     <ProjectReference Include="..\..\..\Tango.SharedUI\Tango.SharedUI.csproj">
       <Project>{8491D07B-C1F6-4B62-A412-41B9FD2D6538}</Project>
       <Name>Tango.SharedUI</Name>
@@ -116,6 +138,10 @@
       <Project>{fd86424c-6e84-491b-8df9-3d0f5c236a2a}</Project>
       <Name>Tango.Touch</Name>
     </ProjectReference>
+    <ProjectReference Include="..\..\..\Tango.Transport\Tango.Transport.csproj">
+      <Project>{74e700b0-1156-4126-be40-ee450d3c3026}</Project>
+      <Name>Tango.Transport</Name>
+    </ProjectReference>
     <ProjectReference Include="..\..\Tango.PPC.Common\Tango.PPC.Common.csproj">
       <Project>{0BE74EEE-22CB-4DBA-B896-793B9E1A3AC0}</Project>
       <Name>Tango.PPC.Common</Name>
@@ -126,10 +152,18 @@
       <Generator>MSBuild:Compile</Generator>
       <SubType>Designer</SubType>
     </Page>
+    <Page Include="Controls\DispenserController.xaml">
+      <SubType>Designer</SubType>
+      <Generator>MSBuild:Compile</Generator>
+    </Page>
     <Page Include="Views\CatalogView.xaml">
       <SubType>Designer</SubType>
       <Generator>MSBuild:Compile</Generator>
     </Page>
+    <Page Include="Views\DispensersView.xaml">
+      <SubType>Designer</SubType>
+      <Generator>MSBuild:Compile</Generator>
+    </Page>
     <Page Include="Views\LoggingView.xaml">
       <SubType>Designer</SubType>
       <Generator>MSBuild:Compile</Generator>
@@ -148,5 +182,8 @@
   <ItemGroup>
     <Resource Include="Images\system.png" />
   </ItemGroup>
+  <ItemGroup>
+    <Resource Include="Images\dispensers.png" />
+  </ItemGroup>
   <Import Project="$(MSBuildToolsPath)\Microsoft.CSharp.targets" />
 </Project>
\ No newline at end of file
diff --git a/Software/Visual_Studio/PPC/Modules/Tango.PPC.Technician/ViewModelLocator.cs b/Software/Visual_Studio/PPC/Modules/Tango.PPC.Technician/ViewModelLocator.cs
index 3c6f874e0..9460578c8 100644
--- a/Software/Visual_Studio/PPC/Modules/Tango.PPC.Technician/ViewModelLocator.cs
+++ b/Software/Visual_Studio/PPC/Modules/Tango.PPC.Technician/ViewModelLocator.cs
@@ -18,6 +18,7 @@ namespace Tango.PPC.Technician
             TangoIOC.Default.Register<MainViewVM>();
             TangoIOC.Default.Register<LoggingViewVM>();
             TangoIOC.Default.Register<CatalogViewVM>();
+            TangoIOC.Default.Register<DispensersViewVM>();
         }
 
         /// <summary>
@@ -52,5 +53,16 @@ namespace Tango.PPC.Technician
                 return TangoIOC.Default.GetInstance<CatalogViewVM>();
             }
         }
+
+        /// <summary>
+        /// Gets the dispensers view VM.
+        /// </summary>
+        public static DispensersViewVM DispensersViewVM
+        {
+            get
+            {
+                return TangoIOC.Default.GetInstance<DispensersViewVM>();
+            }
+        }
     }
 }
diff --git a/Software/Visual_Studio/PPC/Modules/Tango.PPC.Technician/ViewModels/DispensersViewVM.cs b/Software/Visual_Studio/PPC/Modules/Tango.PPC.Technician/ViewModels/DispensersViewVM.cs
new file mode 100644
index 000000000..e72c74009
--- /dev/null
+++ b/Software/Visual_Studio/PPC/Modules/Tango.PPC.Technician/ViewModels/DispensersViewVM.cs
@@ -0,0 +1,17 @@
+using System;
+using System.Collections.Generic;
+using System.Linq;
+using System.Text;
+using System.Threading.Tasks;
+using Tango.PPC.Common;
+
+namespace Tango.PPC.Technician.ViewModels
+{
+    public class DispensersViewVM : PPCViewModel
+    {
+        public override void OnApplicationStarted()
+        {
+            
+        }
+    }
+}
diff --git a/Software/Visual_Studio/PPC/Modules/Tango.PPC.Technician/Views/CatalogView.xaml b/Software/Visual_Studio/PPC/Modules/Tango.PPC.Technician/Views/CatalogView.xaml
index 79d753474..4571f99de 100644
--- a/Software/Visual_Studio/PPC/Modules/Tango.PPC.Technician/Views/CatalogView.xaml
+++ b/Software/Visual_Studio/PPC/Modules/Tango.PPC.Technician/Views/CatalogView.xaml
@@ -39,10 +39,10 @@
                     </DockPanel>
                 </touch:TouchButton>
 
-                <touch:TouchButton Margin="0 60 0 0" Width="250" Height="250" Style="{StaticResource TangoHollowButton}" Padding="20">
+                <touch:TouchButton Command="{Binding NavigationCommand}" CommandParameter="DispensersView" Margin="0 60 0 0" Width="250" Height="250" Style="{StaticResource TangoHollowButton}" Padding="20">
                     <DockPanel>
-                        <TextBlock Margin="0 10 0 0" DockPanel.Dock="Bottom" HorizontalAlignment="Center" FontSize="{StaticResource TangoExpanderHeaderFontSize}">Coming soon...</TextBlock>
-                        <!--<Image Width="128" Source="../Images/system.png" />-->
+                        <TextBlock Margin="0 10 0 0" DockPanel.Dock="Bottom" HorizontalAlignment="Center" FontSize="{StaticResource TangoExpanderHeaderFontSize}">Dispensers</TextBlock>
+                        <Image Width="128" Source="../Images/dispensers.png" />
                     </DockPanel>
                 </touch:TouchButton>
             </UniformGrid>
diff --git a/Software/Visual_Studio/PPC/Modules/Tango.PPC.Technician/Views/DispensersView.xaml b/Software/Visual_Studio/PPC/Modules/Tango.PPC.Technician/Views/DispensersView.xaml
new file mode 100644
index 000000000..c8fc038f1
--- /dev/null
+++ b/Software/Visual_Studio/PPC/Modules/Tango.PPC.Technician/Views/DispensersView.xaml
@@ -0,0 +1,41 @@
+<UserControl x:Class="Tango.PPC.Technician.Views.DispensersView"
+             xmlns="http://schemas.microsoft.com/winfx/2006/xaml/presentation"
+             xmlns:x="http://schemas.microsoft.com/winfx/2006/xaml"
+             xmlns:mc="http://schemas.openxmlformats.org/markup-compatibility/2006" 
+             xmlns:d="http://schemas.microsoft.com/expression/blend/2008" 
+             xmlns:local="clr-namespace:Tango.PPC.Technician.Views"
+             xmlns:controls="clr-namespace:Tango.PPC.Technician.Controls"
+             xmlns:sys="clr-namespace:System;assembly=mscorlib"
+             xmlns:vm="clr-namespace:Tango.PPC.Technician.ViewModels"
+             xmlns:touch="clr-namespace:Tango.Touch.Controls;assembly=Tango.Touch"
+             xmlns:global="clr-namespace:Tango.PPC.Technician"
+             mc:Ignorable="d" 
+             d:DesignHeight="1280" d:DesignWidth="800" d:DataContext="{d:DesignInstance Type=vm:DispensersViewVM, IsDesignTimeCreatable=False}" DataContext="{x:Static global:ViewModelLocator.DispensersViewVM}" x:Name="view">
+    <Grid Background="{StaticResource TangoMidBackgroundBrush}">
+        <Grid.RowDefinitions>
+            <RowDefinition Height="Auto"/>
+            <RowDefinition Height="1*"/>
+        </Grid.RowDefinitions>
+
+        <Border Padding="20" Background="{StaticResource TangoPrimaryBackgroundBrush}" BorderThickness="0 0 0 1" BorderBrush="{StaticResource TangoDividerBrush}">
+            <Border.Effect>
+                <DropShadowEffect Color="Silver" ShadowDepth="0" BlurRadius="20" Opacity="1" />
+            </Border.Effect>
+            <TextBlock VerticalAlignment="Center" FontSize="{StaticResource TangoHeaderFontSize}" FontWeight="SemiBold">Dispensers</TextBlock>
+        </Border>
+
+        <Grid Grid.Row="1">
+            <Grid x:Name="container" Margin="0 20 0 0">
+                <touch:LightTouchScrollViewer>
+                    <ItemsControl ItemsSource="{Binding MachineProvider.Machine.Configuration.IdsPacks}">
+                        <ItemsControl.ItemTemplate>
+                            <DataTemplate>
+                                <controls:DispenserController Margin="20 10" Height="150" IdsPack="{Binding}" MachineOperator="{Binding ElementName=view,Path=DataContext.MachineProvider.MachineOperator}" />
+                            </DataTemplate>
+                        </ItemsControl.ItemTemplate>
+                    </ItemsControl>
+                </touch:LightTouchScrollViewer>
+            </Grid>
+        </Grid>
+    </Grid>
+</UserControl>
diff --git a/Software/Visual_Studio/PPC/Modules/Tango.PPC.Technician/Views/DispensersView.xaml.cs b/Software/Visual_Studio/PPC/Modules/Tango.PPC.Technician/Views/DispensersView.xaml.cs
new file mode 100644
index 000000000..bf5b64e8b
--- /dev/null
+++ b/Software/Visual_Studio/PPC/Modules/Tango.PPC.Technician/Views/DispensersView.xaml.cs
@@ -0,0 +1,28 @@
+using System;
+using System.Collections.Generic;
+using System.Linq;
+using System.Text;
+using System.Threading.Tasks;
+using System.Windows;
+using System.Windows.Controls;
+using System.Windows.Data;
+using System.Windows.Documents;
+using System.Windows.Input;
+using System.Windows.Media;
+using System.Windows.Media.Imaging;
+using System.Windows.Navigation;
+using System.Windows.Shapes;
+
+namespace Tango.PPC.Technician.Views
+{
+    /// <summary>
+    /// Interaction logic for DispensersView.xaml
+    /// </summary>
+    public partial class DispensersView : UserControl
+    {
+        public DispensersView()
+        {
+            InitializeComponent();
+        }
+    }
+}
diff --git a/Software/Visual_Studio/PPC/Modules/Tango.PPC.Technician/Views/MainView.xaml b/Software/Visual_Studio/PPC/Modules/Tango.PPC.Technician/Views/MainView.xaml
index 66e16588b..e697696c2 100644
--- a/Software/Visual_Studio/PPC/Modules/Tango.PPC.Technician/Views/MainView.xaml
+++ b/Software/Visual_Studio/PPC/Modules/Tango.PPC.Technician/Views/MainView.xaml
@@ -15,6 +15,7 @@
         <controls:NavigationControl TransitionAlwaysFades="True" TransitionType="Zoom" TransitionDuration="00:00:0.2">
             <local:CatalogView/>
             <local:LoggingView/>
+            <local:DispensersView/>
         </controls:NavigationControl>
     </Grid>
 </UserControl>
diff --git a/Software/Visual_Studio/PPC/Modules/Tango.PPC.Technician/app.config b/Software/Visual_Studio/PPC/Modules/Tango.PPC.Technician/app.config
index 154562d23..806bfe66d 100644
--- a/Software/Visual_Studio/PPC/Modules/Tango.PPC.Technician/app.config
+++ b/Software/Visual_Studio/PPC/Modules/Tango.PPC.Technician/app.config
@@ -16,7 +16,7 @@
       </dependentAssembly>
       <dependentAssembly>
         <assemblyIdentity name="System.IO.FileSystem" publicKeyToken="b03f5f7f11d50a3a" culture="neutral" />
-        <bindingRedirect oldVersion="0.0.0.0-4.0.3.0" newVersion="4.0.3.0" />
+        <bindingRedirect oldVersion="0.0.0.0-4.0.2.0" newVersion="4.0.2.0" />
       </dependentAssembly>
       <dependentAssembly>
         <assemblyIdentity name="System.ValueTuple" publicKeyToken="cc7b13ffcd2ddd51" culture="neutral" />
@@ -24,27 +24,27 @@
       </dependentAssembly>
       <dependentAssembly>
         <assemblyIdentity name="System.IO.Compression" publicKeyToken="b77a5c561934e089" culture="neutral" />
-        <bindingRedirect oldVersion="0.0.0.0-4.2.0.0" newVersion="4.2.0.0" />
+        <bindingRedirect oldVersion="0.0.0.0-4.1.2.0" newVersion="4.1.2.0" />
       </dependentAssembly>
       <dependentAssembly>
         <assemblyIdentity name="System.IO.FileSystem.Primitives" publicKeyToken="b03f5f7f11d50a3a" culture="neutral" />
-        <bindingRedirect oldVersion="0.0.0.0-4.0.3.0" newVersion="4.0.3.0" />
+        <bindingRedirect oldVersion="0.0.0.0-4.0.2.0" newVersion="4.0.2.0" />
       </dependentAssembly>
       <dependentAssembly>
         <assemblyIdentity name="System.Security.Cryptography.Primitives" publicKeyToken="b03f5f7f11d50a3a" culture="neutral" />
-        <bindingRedirect oldVersion="0.0.0.0-4.0.2.0" newVersion="4.0.2.0" />
+        <bindingRedirect oldVersion="0.0.0.0-4.0.1.0" newVersion="4.0.1.0" />
       </dependentAssembly>
       <dependentAssembly>
         <assemblyIdentity name="System.Xml.XPath.XDocument" publicKeyToken="b03f5f7f11d50a3a" culture="neutral" />
-        <bindingRedirect oldVersion="0.0.0.0-4.1.0.0" newVersion="4.1.0.0" />
+        <bindingRedirect oldVersion="0.0.0.0-4.0.2.0" newVersion="4.0.2.0" />
       </dependentAssembly>
       <dependentAssembly>
         <assemblyIdentity name="System.Console" publicKeyToken="b03f5f7f11d50a3a" culture="neutral" />
-        <bindingRedirect oldVersion="0.0.0.0-4.0.2.0" newVersion="4.0.2.0" />
+        <bindingRedirect oldVersion="0.0.0.0-4.0.1.0" newVersion="4.0.1.0" />
       </dependentAssembly>
       <dependentAssembly>
         <assemblyIdentity name="System.Diagnostics.StackTrace" publicKeyToken="b03f5f7f11d50a3a" culture="neutral" />
-        <bindingRedirect oldVersion="0.0.0.0-4.1.0.0" newVersion="4.1.0.0" />
+        <bindingRedirect oldVersion="0.0.0.0-4.0.3.0" newVersion="4.0.3.0" />
       </dependentAssembly>
       <dependentAssembly>
         <assemblyIdentity name="Newtonsoft.Json" publicKeyToken="30ad4fe6b2a6aeed" culture="neutral" />
diff --git a/Software/Visual_Studio/PPC/Modules/Tango.PPC.Technician/packages.config b/Software/Visual_Studio/PPC/Modules/Tango.PPC.Technician/packages.config
index b3daf0d6c..865851bd7 100644
--- a/Software/Visual_Studio/PPC/Modules/Tango.PPC.Technician/packages.config
+++ b/Software/Visual_Studio/PPC/Modules/Tango.PPC.Technician/packages.config
@@ -1,4 +1,7 @@
 <?xml version="1.0" encoding="utf-8"?>
 <packages>
   <package id="EntityFramework" version="6.2.0" targetFramework="net461" />
+  <package id="Google.Protobuf" version="3.4.1" targetFramework="net461" />
+  <package id="System.Reactive" version="3.1.1" targetFramework="net461" />
+  <package id="System.Reactive.Core" version="3.1.1" targetFramework="net461" />
 </packages>
\ No newline at end of file
diff --git a/Software/Visual_Studio/PPC/Tango.PPC.UI/App.config b/Software/Visual_Studio/PPC/Tango.PPC.UI/App.config
index ea49af905..15a7107bd 100644
--- a/Software/Visual_Studio/PPC/Tango.PPC.UI/App.config
+++ b/Software/Visual_Studio/PPC/Tango.PPC.UI/App.config
@@ -11,6 +11,86 @@
     <assemblyBinding xmlns="urn:schemas-microsoft-com:asm.v1">
 
      
+      <dependentAssembly>
+        <assemblyIdentity name="System.Collections.Immutable" publicKeyToken="b03f5f7f11d50a3a" culture="neutral" />
+        <bindingRedirect oldVersion="0.0.0.0-1.2.2.0" newVersion="1.2.2.0" />
+      </dependentAssembly>
+      <dependentAssembly>
+        <assemblyIdentity name="System.Reflection.Metadata" publicKeyToken="b03f5f7f11d50a3a" culture="neutral" />
+        <bindingRedirect oldVersion="0.0.0.0-1.4.2.0" newVersion="1.4.2.0" />
+      </dependentAssembly>
+      <dependentAssembly>
+        <assemblyIdentity name="System.IO.FileSystem" publicKeyToken="b03f5f7f11d50a3a" culture="neutral" />
+        <bindingRedirect oldVersion="0.0.0.0-4.0.2.0" newVersion="4.0.2.0" />
+      </dependentAssembly>
+      <dependentAssembly>
+        <assemblyIdentity name="System.ValueTuple" publicKeyToken="cc7b13ffcd2ddd51" culture="neutral" />
+        <bindingRedirect oldVersion="0.0.0.0-4.0.2.0" newVersion="4.0.2.0" />
+      </dependentAssembly>
+      <dependentAssembly>
+        <assemblyIdentity name="System.IO.Compression" publicKeyToken="b77a5c561934e089" culture="neutral" />
+        <bindingRedirect oldVersion="0.0.0.0-4.1.2.0" newVersion="4.1.2.0" />
+      </dependentAssembly>
+      <dependentAssembly>
+        <assemblyIdentity name="System.IO.FileSystem.Primitives" publicKeyToken="b03f5f7f11d50a3a" culture="neutral" />
+        <bindingRedirect oldVersion="0.0.0.0-4.0.2.0" newVersion="4.0.2.0" />
+      </dependentAssembly>
+      <dependentAssembly>
+        <assemblyIdentity name="System.Security.Cryptography.Primitives" publicKeyToken="b03f5f7f11d50a3a" culture="neutral" />
+        <bindingRedirect oldVersion="0.0.0.0-4.0.1.0" newVersion="4.0.1.0" />
+      </dependentAssembly>
+      <dependentAssembly>
+        <assemblyIdentity name="System.Xml.XPath.XDocument" publicKeyToken="b03f5f7f11d50a3a" culture="neutral" />
+        <bindingRedirect oldVersion="0.0.0.0-4.0.2.0" newVersion="4.0.2.0" />
+      </dependentAssembly>
+      <dependentAssembly>
+        <assemblyIdentity name="System.Console" publicKeyToken="b03f5f7f11d50a3a" culture="neutral" />
+        <bindingRedirect oldVersion="0.0.0.0-4.0.1.0" newVersion="4.0.1.0" />
+      </dependentAssembly>
+      <dependentAssembly>
+        <assemblyIdentity name="System.Diagnostics.StackTrace" publicKeyToken="b03f5f7f11d50a3a" culture="neutral" />
+        <bindingRedirect oldVersion="0.0.0.0-4.0.3.0" newVersion="4.0.3.0" />
+      </dependentAssembly>
+      <dependentAssembly>
+        <assemblyIdentity name="System.Reactive.Core" publicKeyToken="94bc3704cddfc263" culture="neutral" />
+        <bindingRedirect oldVersion="0.0.0.0-3.0.3000.0" newVersion="3.0.3000.0" />
+      </dependentAssembly>
+      <dependentAssembly>
+        <assemblyIdentity name="Microsoft.Data.Edm" publicKeyToken="31bf3856ad364e35" culture="neutral" />
+        <bindingRedirect oldVersion="0.0.0.0-5.6.4.0" newVersion="5.6.4.0" />
+      </dependentAssembly>
+      <dependentAssembly>
+        <assemblyIdentity name="Microsoft.Data.Services.Client" publicKeyToken="31bf3856ad364e35" culture="neutral" />
+        <bindingRedirect oldVersion="0.0.0.0-5.6.4.0" newVersion="5.6.4.0" />
+      </dependentAssembly>
+      <dependentAssembly>
+        <assemblyIdentity name="Microsoft.Data.OData" publicKeyToken="31bf3856ad364e35" culture="neutral" />
+        <bindingRedirect oldVersion="0.0.0.0-5.6.4.0" newVersion="5.6.4.0" />
+      </dependentAssembly>
+      <dependentAssembly>
+        <assemblyIdentity name="Newtonsoft.Json" publicKeyToken="30ad4fe6b2a6aeed" culture="neutral" />
+        <bindingRedirect oldVersion="0.0.0.0-9.0.0.0" newVersion="9.0.0.0" />
+      </dependentAssembly>
+      <dependentAssembly>
+        <assemblyIdentity name="Microsoft.IdentityModel.Clients.ActiveDirectory" publicKeyToken="31bf3856ad364e35" culture="neutral" />
+        <bindingRedirect oldVersion="0.0.0.0-3.19.8.16603" newVersion="3.19.8.16603" />
+      </dependentAssembly>
+      <dependentAssembly>
+        <assemblyIdentity name="Microsoft.IdentityModel.Clients.ActiveDirectory.Platform" publicKeyToken="31bf3856ad364e35" culture="neutral" />
+        <bindingRedirect oldVersion="0.0.0.0-3.19.8.16603" newVersion="3.19.8.16603" />
+      </dependentAssembly>
+      <dependentAssembly>
+        <assemblyIdentity name="System.Web.Http" publicKeyToken="31bf3856ad364e35" culture="neutral" />
+        <bindingRedirect oldVersion="0.0.0.0-5.2.2.0" newVersion="5.2.2.0" />
+      </dependentAssembly>
+      <dependentAssembly>
+        <assemblyIdentity name="System.Net.Http.Formatting" publicKeyToken="31bf3856ad364e35" culture="neutral" />
+        <bindingRedirect oldVersion="0.0.0.0-5.2.2.0" newVersion="5.2.2.0" />
+      </dependentAssembly>
+      <dependentAssembly>
+        <assemblyIdentity name="WebGrease" publicKeyToken="31bf3856ad364e35" culture="neutral" />
+        <bindingRedirect oldVersion="0.0.0.0-1.5.2.14234" newVersion="1.5.2.14234" />
+      </dependentAssembly>
     </assemblyBinding> 
   </runtime>
   <entityFramework>
diff --git a/Software/Visual_Studio/PPC/Tango.PPC.UI/app.manifest b/Software/Visual_Studio/PPC/Tango.PPC.UI/app.manifest
index d72e75011..efc5f8179 100644
--- a/Software/Visual_Studio/PPC/Tango.PPC.UI/app.manifest
+++ b/Software/Visual_Studio/PPC/Tango.PPC.UI/app.manifest
@@ -16,7 +16,7 @@
             Remove this element if your application requires this virtualization for backwards
             compatibility.
         -->
-        <requestedExecutionLevel level="requireAdministrator" uiAccess="false" />
+        <!--<requestedExecutionLevel level="requireAdministrator" uiAccess="false" />-->
       </requestedPrivileges>
     </security>
   </trustInfo>
diff --git a/Software/Visual_Studio/Tango.Touch/Controls/TouchIconButton.xaml b/Software/Visual_Studio/Tango.Touch/Controls/TouchIconButton.xaml
index 36aad386b..5875b26d0 100644
--- a/Software/Visual_Studio/Tango.Touch/Controls/TouchIconButton.xaml
+++ b/Software/Visual_Studio/Tango.Touch/Controls/TouchIconButton.xaml
@@ -23,6 +23,13 @@
                 </DataTemplate>
             </Setter.Value>
         </Setter>
+        <Style.Triggers>
+            <Trigger Property="IsEnabled" Value="False">
+                <Setter Property="Background" Value="Transparent"></Setter>
+                <Setter Property="BorderBrush" Value="Transparent"></Setter>
+                <Setter Property="Foreground" Value="{StaticResource TangoDisabledForegroundBrush}"></Setter>
+            </Trigger>
+        </Style.Triggers>
     </Style>
 
 
diff --git a/Software/Visual_Studio/Tango.Touch/Controls/TouchNumericTextBox.xaml b/Software/Visual_Studio/Tango.Touch/Controls/TouchNumericTextBox.xaml
index 29be2dd00..b00273cf0 100644
--- a/Software/Visual_Studio/Tango.Touch/Controls/TouchNumericTextBox.xaml
+++ b/Software/Visual_Studio/Tango.Touch/Controls/TouchNumericTextBox.xaml
@@ -88,7 +88,7 @@
                                 <Grid>
                                     <!--<components:Ripple RippleBrush="{StaticResource TangoRippleDarkBrush}" RippleFactor="15">
                                         <Grid>-->
-                                    <TextBox VerticalContentAlignment="{TemplateBinding VerticalContentAlignment}" HorizontalContentAlignment="{TemplateBinding HorizontalContentAlignment}" Foreground="{TemplateBinding Foreground}" Padding="0 0 0 4" CaretBrush="{StaticResource TangoPrimaryAccentBrush}" FocusVisualStyle="{x:Null}" x:Name="PART_TextBox" BorderThickness="0" Background="Transparent">
+                                    <TextBox FontSize="{TemplateBinding FontSize}" VerticalContentAlignment="{TemplateBinding VerticalContentAlignment}" HorizontalContentAlignment="{TemplateBinding HorizontalContentAlignment}" Foreground="{TemplateBinding Foreground}" Padding="0 0 0 4" CaretBrush="{StaticResource TangoPrimaryAccentBrush}" FocusVisualStyle="{x:Null}" x:Name="PART_TextBox" BorderThickness="0" Background="Transparent">
                                         <TextBox.Style>
                                             <Style TargetType="TextBox">
                                                 <Setter Property="Opacity" Value="0"></Setter>
@@ -100,7 +100,7 @@
                                             </Style>
                                         </TextBox.Style>
                                     </TextBox>
-                                    <controls:FastTextBlock x:Name="PART_TextDisplay" VerticalAlignment="{TemplateBinding VerticalContentAlignment}" IsHitTestVisible="False" HorizontalAlignment="{TemplateBinding HorizontalContentAlignment}" Foreground="{TemplateBinding Foreground}" Padding="0 0 0 4" FocusVisualStyle="{x:Null}" Visibility="{Binding ElementName=PART_TextBox,Path=IsFocused,Converter={StaticResource BooleanToVisibilityInverseConverter}}"></controls:FastTextBlock>
+                                    <controls:FastTextBlock x:Name="PART_TextDisplay" FontSize="{TemplateBinding FontSize}" VerticalAlignment="{TemplateBinding VerticalContentAlignment}" IsHitTestVisible="False" HorizontalAlignment="{TemplateBinding HorizontalContentAlignment}" Foreground="{TemplateBinding Foreground}" Padding="0 0 0 4" FocusVisualStyle="{x:Null}" Visibility="{Binding ElementName=PART_TextBox,Path=IsFocused,Converter={StaticResource BooleanToVisibilityInverseConverter}}"></controls:FastTextBlock>
                                     <!--</Grid>
                                     </components:Ripple>-->
 
diff --git a/Software/Visual_Studio/Tango.Transport/TransporterBase.cs b/Software/Visual_Studio/Tango.Transport/TransporterBase.cs
index 008c0759a..534d3d05d 100644
--- a/Software/Visual_Studio/Tango.Transport/TransporterBase.cs
+++ b/Software/Visual_Studio/Tango.Transport/TransporterBase.cs
@@ -333,6 +333,11 @@ namespace Tango.Transport
             LogManager.Log("Queuing request message: " + requestName + " Token: " + container.Token, LogCategory.Debug);
             LogManager.Log("Expected response: " + responseName, LogCategory.Debug);
 
+            if (State != TransportComponentState.Connected)
+            {
+                throw LogManager.Log(new InvalidOperationException($"Could not send the request while transporter state is {State}."));
+            }
+
             TaskCompletionSource<IMessage> source = new TaskCompletionSource<IMessage>();
             TransportMessage<IMessage> message = new TransportMessage<IMessage>(container.Token, request, TransportMessageDirection.Request, () => container.ToByteArray(), source);
 
@@ -407,6 +412,11 @@ namespace Tango.Transport
             LogManager.Log("Queuing request message: " + container.Type + " Token: " + container.Token, LogCategory.Debug);
             LogManager.Log("Expected response: " + responseName, LogCategory.Debug);
 
+            if (State != TransportComponentState.Connected)
+            {
+                throw LogManager.Log(new InvalidOperationException($"Could not send the request while transporter state is {State}."));
+            }
+
             TaskCompletionSource<MessageContainer> source = new TaskCompletionSource<MessageContainer>();
             TransportMessage<MessageContainer> message = new TransportMessage<MessageContainer>(container.Token, container, TransportMessageDirection.Request, () => container.ToByteArray(), source);
 
@@ -446,6 +456,11 @@ namespace Tango.Transport
 
             PendingResponse pendingResponse = null;
 
+            if (State != TransportComponentState.Connected)
+            {
+                throw LogManager.Log(new InvalidOperationException($"Could not send the response while transporter state is {State}."));
+            }
+
             LogManager.Log("Searching for matching request token: " + token, LogCategory.Debug);
 
             if (_pendingResponses.TryGetValue(token, out pendingResponse))
@@ -495,6 +510,11 @@ namespace Tango.Transport
 
             LogManager.Log("Queuing continuous request message: " + requestName + " Token: " + container.Token, LogCategory.Debug);
 
+            if (State != TransportComponentState.Connected)
+            {
+                throw LogManager.Log(new InvalidOperationException($"Could not send the request while transporter state is {State}."));
+            }
+
             Subject<IMessage> subject = new Subject<IMessage>();
 
             LogManager.Log("Expected response: " + responseName, LogCategory.Debug);
@@ -541,6 +561,11 @@ namespace Tango.Transport
             LogManager.Log("Queuing request message: " + typeof(Request).Name + " Token: " + request.Container.Token, LogCategory.Debug);
             LogManager.Log("Expected response: " + typeof(Response).Name, LogCategory.Debug);
 
+            if (State != TransportComponentState.Connected)
+            {
+                throw LogManager.Log(new InvalidOperationException($"Could not send the request while transporter state is {State}."));
+            }
+
             request.Container.Timeout = timeout.HasValue ? (UInt32)timeout.Value.TotalMilliseconds : (UInt32)RequestTimeout.TotalMilliseconds;
 
             TaskCompletionSource<TangoMessage<Response>> source = new TaskCompletionSource<TangoMessage<Response>>();
@@ -583,6 +608,11 @@ namespace Tango.Transport
 
             LogManager.Log("Expected response: " + typeof(Response).Name, LogCategory.Debug);
 
+            if (State != TransportComponentState.Connected)
+            {
+                throw LogManager.Log(new InvalidOperationException($"Could not send the request while transporter state is {State}."));
+            }
+
             request.Container.Continuous = true;
             request.Container.Completed = false;
 
@@ -655,6 +685,11 @@ namespace Tango.Transport
 
             LogManager.Log("Queuing continuous request message: " + requestName + " Token: " + container.Token, LogCategory.Debug);
 
+            if (State != TransportComponentState.Connected)
+            {
+                throw LogManager.Log(new InvalidOperationException($"Could not send the request while transporter state is {State}."));
+            }
+
             Subject<MessageContainer> subject = new Subject<MessageContainer>();
 
             LogManager.Log("Expected response: " + responseName, LogCategory.Debug);
@@ -758,6 +793,11 @@ namespace Tango.Transport
 
             LogManager.Log("Queuing response message: " + typeof(Response).Name, LogCategory.Debug);
 
+            if (State != TransportComponentState.Connected)
+            {
+                throw LogManager.Log(new InvalidOperationException($"Could not send the response while transporter state is {State}."));
+            }
+
             PendingResponse pendingResponse = null;
 
             LogManager.Log("Searching for matching request token: " + token, LogCategory.Debug);