diff --git a/TestBenchFramework/BenchControl/Modbus/Common/Modbus.cs b/TestBenchFramework/BenchControl/Modbus/Common/Modbus.cs
index 8c19b4235..364b4bd48 100644
--- a/TestBenchFramework/BenchControl/Modbus/Common/Modbus.cs
+++ b/TestBenchFramework/BenchControl/Modbus/Common/Modbus.cs
@@ -34,6 +34,7 @@ namespace TBF.BenchControl.Modbus.Common
 		}
 		Queue<byte[]>[] receivedTelegrams;
 
+
 		public Modbus()
 		{
 		}
@@ -150,7 +151,8 @@ namespace TBF.BenchControl.Modbus.Common
 
 				if ((nrBytes >= 4) && Telegram.VerifyTelegramCRC(buffer))
 				{
-					receivedTelegrams[deviceAddress].Enqueue(buffer);
+					//receivedTelegrams[deviceAddress].Enqueue(buffer);
+
 					string s = string.Format("{0} address={1} count={2}", Telegram.LogTelegram("Telegram received: ", buffer), deviceAddress, receivedTelegrams[deviceAddress].Count);
 					Debug.WriteLine(s);
 					log.Debug(s);
diff --git a/TestBenchFramework/BenchControl/Modbus/Easytherm/Easytherm.cs b/TestBenchFramework/BenchControl/Modbus/Easytherm/Easytherm.cs
index e0dfce49a..7721c6238 100644
--- a/TestBenchFramework/BenchControl/Modbus/Easytherm/Easytherm.cs
+++ b/TestBenchFramework/BenchControl/Modbus/Easytherm/Easytherm.cs
@@ -17,7 +17,8 @@ namespace TBF.BenchControl.Modbus.Easytherm
 		readonly EasythermCfg easythermCfg;
 	    readonly GenericDevices.IModbus modbus;
 
-        private ushort temperatureSetpoint;
+        private float temperatureSetPoint;
+		private bool temperatureSetPointValid;
 
 		public Easytherm()
 		{
@@ -31,6 +32,8 @@ namespace TBF.BenchControl.Modbus.Easytherm
 			modbus = (GenericDevices.IModbus)TbfComponents.FindComponent(cfg.ParentName, components);
 			if (modbus == null) throw new Exception("Cannot find " + Name + " parent");
 
+			temperatureSetPointValid = false;
+
 			log.Debug(this.ToString());
 		}
 
@@ -55,14 +58,28 @@ namespace TBF.BenchControl.Modbus.Easytherm
         }
 
 		/// <summary>
-		/// Set outputs of QuidoRS board
+		/// Set Easytherm controller required temperature
 		/// </summary>
 		/// <param name="temperature">output value</param>
-		public void SetTemperature(float temperature)
+		/// <returns>true = OK, false = any error</returns>
+		public bool SetTemperature(float temperature)
 		{
-			if (temperature < 0 || temperature > 100) return;	/// temperature out of range
+			if (temperature < 0 || temperature > 100.0f)
+			{
+				return false;	/// required temperature out of range
+			}
 
-            ushort temperatureSetpoint = (ushort)(100 * temperature);
+			if (temperatureSetPointValid && (temperature == temperatureSetPoint))
+			{
+				return true;	/// already set to the required temperature
+			}
+
+			temperatureSetPoint = temperature;
+			temperatureSetPointValid = true;
+
+			//ushort temperatureSetpoint = (ushort)temperature;							// in °C
+			//ushort destAddress = (ushort)1002;
+			ushort temperatureSetpoint = (ushort)((10000.0f / 400.0f) * temperature);	// in 0.01% of range (400 °C)
 			ushort destAddress = (ushort)2;
 
 			byte[] msg = new byte[8];
@@ -75,6 +92,8 @@ namespace TBF.BenchControl.Modbus.Easytherm
 			msg[5] = (byte)(temperatureSetpoint & 0xFF);	/// Output data Lo
 
 			modbus.SendMessage(msg);
+
+			return true;
 		}
 
 		/// <summary>
diff --git a/TestBenchFramework/Properties/AssemblyInfo.cs b/TestBenchFramework/Properties/AssemblyInfo.cs
index 5135e2c31..20360018f 100644
--- a/TestBenchFramework/Properties/AssemblyInfo.cs
+++ b/TestBenchFramework/Properties/AssemblyInfo.cs
@@ -29,5 +29,5 @@ using System.Runtime.InteropServices;
 //      Build Number
 //      Revision
 //
-[assembly: AssemblyVersion("2.12.486.1")]
-[assembly: AssemblyFileVersion("2.12.486.1")]
+[assembly: AssemblyVersion("2.12.487.1")]
+[assembly: AssemblyFileVersion("2.12.487.1")]