diff --git a/src/AXSharp.connectors/src/AXSharp.Connector.S71500.WebAPI/BuiltInWrappers/WebApiLTime.cs b/src/AXSharp.connectors/src/AXSharp.Connector.S71500.WebAPI/BuiltInWrappers/WebApiLTime.cs
index 1f298a11..c496e98d 100644
--- a/src/AXSharp.connectors/src/AXSharp.Connector.S71500.WebAPI/BuiltInWrappers/WebApiLTime.cs
+++ b/src/AXSharp.connectors/src/AXSharp.Connector.S71500.WebAPI/BuiltInWrappers/WebApiLTime.cs
@@ -59,27 +59,43 @@ ApiPlcWriteRequest IWebApiPrimitive.PlcWriteRequestData
         get
         {
             // TODO: review this casting to string... reason: there is some problem while creating request from long.
-            _plcWriteRequestData = WebApiConnector.CreateWriteRequest(Symbol, CyclicToWrite.Ticks.ToString(), _webApiConnector.DBName);
+            _plcWriteRequestData = WebApiConnector.CreateWriteRequest(Symbol, ToMicroSeconds(CyclicToWrite), _webApiConnector.DBName);
             return _plcWriteRequestData;
         }
     }
 
     /// <inheritdoc />
-    public void Read(string value)
+    public void Read(string result)
     {
-        UpdateRead(TimeSpan.FromTicks(long.Parse(value)));
+        UpdateRead(TimeSpan.FromMilliseconds(ToMilliseconds(long.Parse(result))));
+    }
+
+
+    private long ToMilliseconds(long nanoseconds)
+    {
+        return nanoseconds / 1000000L;
+    }
+
+    private long ToNanoseconds(long nanoseconds)
+    {
+        return nanoseconds * 1000000L;
+    }
+
+    private string ToMicroSeconds(TimeSpan value)
+    {
+        return ToNanoseconds((long)value.TotalMilliseconds).ToString();
     }
 
     /// <inheritdoc />
     public override async Task<TimeSpan> GetAsync()
     {
-        return TimeSpan.FromTicks(long.Parse(await _webApiConnector.ReadAsync<string>(this)));
+        return TimeSpan.FromMilliseconds(ToMilliseconds(long.Parse(await _webApiConnector.ReadAsync<string>(this))));
     }
 
     /// <inheritdoc />
     public override async Task<TimeSpan> SetAsync(TimeSpan value)
     {
-        await _webApiConnector.WriteAsync(this, value.Ticks.ToString());
+        await _webApiConnector.WriteAsync(this, ToNanoseconds((long)value.TotalMilliseconds).ToString());
         return value;
     }
 }
\ No newline at end of file
diff --git a/src/AXSharp.connectors/src/AXSharp.Connector/ValueTypes/Onlines/OnlinerLTime.cs b/src/AXSharp.connectors/src/AXSharp.Connector/ValueTypes/Onlines/OnlinerLTime.cs
index caea1d72..f4dd2fe5 100644
--- a/src/AXSharp.connectors/src/AXSharp.Connector/ValueTypes/Onlines/OnlinerLTime.cs
+++ b/src/AXSharp.connectors/src/AXSharp.Connector/ValueTypes/Onlines/OnlinerLTime.cs
@@ -40,12 +40,12 @@ public OnlinerLTime(ITwinObject parent, string readableTail, string symbolTail)
     /// <summary>
     ///     Gets the max value of <see cref="OnlinerLTime" />.
     /// </summary>
-    public static TimeSpan MaxValue { get; } = TimeSpan.FromTicks(9223372036854775807 / 100);
+    public static TimeSpan MaxValue { get; } = TimeSpan.FromTicks(92233720368540000); 
 
     /// <summary>
     ///     Gets the min value of <see cref="OnlinerLTime" />.
     /// </summary>
-    public static TimeSpan MinValue { get; } = TimeSpan.FromTicks(-9223372036854775808 / 100);
+    public static TimeSpan MinValue { get; } = TimeSpan.FromTicks(-92233720368540000);
 
     /// <summary>
     ///     Gets the max value for this instance.
diff --git a/src/AXSharp.connectors/tests/ax-test-project/src/program.st b/src/AXSharp.connectors/tests/ax-test-project/src/program.st
index ee6fabf4..0e6190f0 100644
--- a/src/AXSharp.connectors/tests/ax-test-project/src/program.st
+++ b/src/AXSharp.connectors/tests/ax-test-project/src/program.st
@@ -62,7 +62,7 @@ PROGRAM MyProgram
     mins.myREAL	            :=  REAL#-3.402823e+38    ;
     mins.myLREAL	        :=  LREAL#-1.79769313486231e+308;
     mins.myTIME	            :=  TIME#-106751d23h47m16s854ms;
-    mins.myLTIME	        :=  LTIME#-1067d12h28m40s368ms547us758ns;
+    mins.myLTIME	        :=  LTIME#-106751d23h47m16s854ms;
     mins.myDATE	            :=  DATE#1970-01-01    ;
     mins.myLDATE	        :=  LDATE#1970-01-01    ;
     mins.myTIME_OF_DAY	    :=  TOD#0:0:0.0   ;
@@ -91,7 +91,9 @@ PROGRAM MyProgram
     maxs.myREAL	            :=  REAL#+3.402823e+38    ;
     maxs.myLREAL	        :=  LREAL#1.79769313486231e+308;
     maxs.myTIME	            :=  TIME#106751d23h47m16s854ms;
-    maxs.myLTIME	        :=  LTIME#1067d12h28m40s368ms547us758ns;
+    maxs.myLTIME	        :=  LTIME#106751d23h47m16s854ms;    
+    maxs.myLTIME	        :=  LTIME#106751d23h47m16s854ms;
+    // maxs.myLTIME	        :=  LTIME#1067d12h28m40s368ms547us758ns;      
     maxs.myDATE	            :=  DATE#2262-04-11    ;
     maxs.myLDATE	        :=  LDATE#2262-04-11    ;
     maxs.myTIME_OF_DAY	    :=  TOD#23:59:59.999000000   ;