diff --git a/MapoSDK/Enums.cs b/MapoSDK/Enums.cs
index 08005c68..9615dd8f 100644
--- a/MapoSDK/Enums.cs
+++ b/MapoSDK/Enums.cs
@@ -218,4 +218,31 @@
     /// </summary>
     modificaTurno
   }
+
+  /// <summary>
+  /// Enumerazione tipi di semaforo
+  /// </summary>
+  public enum Semaforo
+  {
+    /// <summary>
+    /// Stato non definito
+    /// </summary>
+    ND,
+    /// <summary>
+    /// Verde
+    /// </summary>
+    SV,
+    /// <summary>
+    /// Giallo
+    /// </summary>
+    SG,
+    /// <summary>
+    /// Rosso
+    /// </summary>
+    SR,
+    /// <summary>
+    /// Grigio/Spento
+    /// </summary>
+    SS
+  }
 }
diff --git a/MapoSDK/Objects.cs b/MapoSDK/Objects.cs
index 05966e1e..f3ac5ddf 100644
--- a/MapoSDK/Objects.cs
+++ b/MapoSDK/Objects.cs
@@ -603,9 +603,9 @@ namespace MapoSDK
   #region gestione oggetti stato IOB scambiati tra IOB-MAN e IOB-WIN
 
   /// <summary>
-  /// Rappresentazione dellos tato dell'IOB 
+  /// Rappresentazione dello stato corrente dell'IOB 
   /// </summary>
-  public class IobWinState
+  public class IobWinCurrentState
   {
     /// <summary>
     /// Semaforo IN (IOB-PLC)