diff --git a/MapoSDK/Enums.cs b/MapoSDK/Enums.cs
index b84f5193..b7db5e04 100644
--- a/MapoSDK/Enums.cs
+++ b/MapoSDK/Enums.cs
@@ -38,6 +38,29 @@
         WIN
     }
 
+    public enum modBusAddrType
+    {
+        /// <summary>
+        /// ModBus Coil 0xxxxx (booleano) - OUT R/W
+        /// </summary>
+        Coil = 0,
+
+        /// <summary>
+        /// ModBus Input discreto 1xxxxx (booleano) - IN R
+        /// </summary>
+        DiscreteInput = 1,
+
+        /// <summary>
+        /// ModBus Input Register 3xxxxx (int[] convertibile a vari int/real) - IN R
+        /// </summary>
+        InputRegister = 3,
+
+        /// <summary>
+        /// ModBus Holding Register 4xxxxx  (int[] convertibile a vari int/real) - OUT R/W
+        /// </summary>
+        HoldingRegister = 4
+    }
+
     /// <summary>
     /// Elenco dei tipi di valore gestiti da PLC (inizialmente SIEMENS)
     /// </summary>
@@ -76,27 +99,7 @@
         /// <summary>
         /// Tipo stringa
         /// </summary>
-        String,
-
-        /// <summary>
-        /// ModBus Coil (booleano) - OUT R/W
-        /// </summary>
-        ModBusCoil,
-
-        /// <summary>
-        /// ModBus Input discreto (booleano) - IN R
-        /// </summary>
-        ModBusDiscreteInput,
-
-        /// <summary>
-        /// ModBus Holding Register (int[] convertibile a vari int/real) - OUT R/W
-        /// </summary>
-        ModBusHoldingRegister,
-
-        /// <summary>
-        /// ModBus Input Register (int[] convertibile a vari int/real) - IN R
-        /// </summary>
-        ModBusInputRegister
+        String
     }
 
     /// <summary>